Numbers

Number Concept - Arranging objects according to size

By the end of the lesson, the learner should be able to:

- Arrange objects from the smallest to the largest
- Compare objects of different sizes
- Show interest in ordering objects

In groups, learners are guided to:
- In pairs/groups, collect 10 small stones of different sizes and arrange them from the smallest to the largest
- Discuss and share their arrangements with other groups
- Observe pictures of apples arranged from smallest to largest
- Arrange objects in their class in order of size from smallest to largest

How do we arrange objects according to size?

KLB Mathematical Activities Grade Three pg. 1
- Small stones of different sizes
- Objects in the classroom

- Observation - Oral questions - Written exercises

Numbers

Number Concept - Arranging objects according to size
Number Concept - Identifying position of objects from 1st to 20th
Number Concept - Identifying position of objects from 1st to 20th

By the end of the lesson, the learner should be able to:

- Arrange objects from the largest to the smallest
- Use appropriate vocabulary to describe size
- Show appreciation for order in the environment

In groups, learners are guided to:
- In pairs/groups, arrange six cards of different sizes from the largest to the smallest
- Match objects according to size from the largest to the smallest in tables
- Work in groups to arrange objects like cups, toy elephants, and houses according to size

How do we arrange objects from the largest to the smallest?

KLB Mathematical Activities Grade Three pg. 3
- Cards of different sizes
- Pictures of objects of different sizes
KLB Mathematical Activities Grade Three pg. 4
- Pictures showing positions
- Playing field for races
KLB Mathematical Activities Grade Three pg. 5
- Charts showing positions
- Cards with position numbers and words

- Observation - Oral questions - Written exercises

Numbers

Number Concept - Writing positions in number symbols and words
Number Concept - Application of ordinal numbers in real life situations

By the end of the lesson, the learner should be able to:

- Identify positions from 11th to 20th
- Write positions from 11th to 20th in number symbols
- Demonstrate interest in ordinal numbers

In groups, learners are guided to:
- Write letters of the alphabet in order from K to T
- Write the positions in symbols for each letter in the alphabet
- Learn that "eleventh" is written as 11th, "twelfth" as 12th, etc.
- Match positions written in words with their number symbols

How do we write positions from eleventh to twentieth?

KLB Mathematical Activities Grade Three pg. 6
- Alphabet cards
- Position cards
KLB Mathematical Activities Grade Three pg. 7
- Position word cards
- Objects of different sizes
- Pictures showing positions
KLB Mathematical Activities Grade Three pg. 8
- Charts showing daily routines
- Calendar showing months of the year

- Observation - Oral questions - Written assignments

Numbers

Number Concept - Application of ordinal numbers in real life situations
Whole Numbers - Counting forward up to 1000 from any point

By the end of the lesson, the learner should be able to:

- Use ordinal numbers to describe the birth order in a family
- Apply ordinal numbers in competitions
- Value the importance of ordinal numbers in real life

In groups, learners are guided to:
- Share birth orders in their families using ordinal numbers
- Role-play competitions and identify positions of participants
- Discuss scenarios where ordinal numbers are used in daily life
- Create stories involving ordinal numbers

When do we use ordinal numbers in our daily lives?

KLB Mathematical Activities Grade Three pg. 8
- Pictures showing positions in competitions
- Stories involving ordinal numbers
KLB Mathematical Activities Grade Three pg. 19
- Number charts
- Number cards

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Counting forward up to 1000 from any point
Whole Numbers - Counting backward in multiples of 100 from 1000

By the end of the lesson, the learner should be able to:

- Count forward from 100 to 500
- Count in tens and hundreds
- Enjoy counting larger numbers

In groups, learners are guided to:
- Count forward in sequences: 100, 101, 102... to 110
- Count in tens: 200, 210, 220... to 300
- Count in hundreds: 100, 200, 300, 400, 500
- Complete number sequences with missing numbers

How do we count forward from 100 to 500?

KLB Mathematical Activities Grade Three pg. 20
- Number charts
- Number cards
- Counters
KLB Mathematical Activities Grade Three pg. 24
- Rope for skipping

- Observation - Oral counting - Written exercises

Numbers

Whole Numbers - Counting backward in multiples of 100 from 1000

By the end of the lesson, the learner should be able to:

- Count backward from 1000 to 500 in multiples of 100
- Count backward in multiples of 100 from any point
- Appreciate counting backward

In groups, learners are guided to:
- Take six cards with numbers 500-1000 and arrange them in descending order
- Count backward in hundreds: 1000, 900, 800, 700, 600, 500
- Count backward from different starting points in multiples of 100
- Complete number sequences with missing numbers

How do we count backward in hundreds from any number?

KLB Mathematical Activities Grade Three pg. 24
- Number cards
- Number charts
- Counters

- Observation - Oral counting - Written exercises

Numbers

Whole Numbers - Place value of numbers up to hundreds

By the end of the lesson, the learner should be able to:

- Identify place value of numbers up to tens
- Represent numbers on an abacus
- Show interest in place value

In groups, learners are guided to:
- Identify how many ones and tens are shown on an abacus
- Represent numbers on an abacus and identify their place values
- Complete sentences like "25 is _ tens _ ones"
- Write numbers represented by tens and ones (e.g., 3 tens 9 ones = 39)

What is the place value of each digit in a two-digit number?

KLB Mathematical Activities Grade Three pg. 24
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 26

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Place value of numbers up to hundreds

By the end of the lesson, the learner should be able to:

- Write a number in hundreds, tens, and ones
- Show numbers on place value charts
- Value the importance of place value in representing numbers

In groups, learners are guided to:
- Draw place value charts and represent numbers on them
- Write numbers in hundreds, tens, and ones (e.g., 468 is 4 hundreds 6 tens 8 ones)
- Identify the place value of each digit in a number
- Complete sentences about place values

How do we write numbers showing their place values?

KLB Mathematical Activities Grade Three pg. 30
- Place value charts
- Abacus
- Base ten blocks

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Reading numbers 1 to 1000 in symbols

By the end of the lesson, the learner should be able to:

- Read numbers 1 to 500 in symbols
- Write numbers 1 to 500 in symbols
- Show interest in reading numbers

In groups, learners are guided to:
- Write and read numbers between 1 and 100
- Write and read numbers between 100 and 200
- Write and read numbers between 200 and 500
- Read numbers like 101 as "one hundred one"

How do we read numbers from 1 to 500?

KLB Mathematical Activities Grade Three pg. 33
- Number charts
- Number cards
- Flash cards
KLB Mathematical Activities Grade Three pg. 34

- Observation - Oral reading - Written exercises

Numbers

Whole Numbers - Reading and writing numbers 1 to 100 in words

By the end of the lesson, the learner should be able to:

- Read numbers 1 to 50 in words
- Write numbers 1 to 50 in words
- Appreciate writing numbers in words

In groups, learners are guided to:
- Write five numbers between 1 and 50 on cards
- Read the numbers in turns
- Write the numbers in words
- Read and write numbers like 12 as "twelve" and 43 as "forty-three"

How do we write numbers from 1 to 50 in words?

KLB Mathematical Activities Grade Three pg. 35
- Number cards
- Word cards
- Flash cards

- Observation - Oral reading - Written exercises

Numbers

Whole Numbers - Reading and writing numbers 1 to 100 in words

By the end of the lesson, the learner should be able to:

- Read numbers 51 to 100 in words
- Write numbers 51 to 100 in words
- Show interest in writing numbers in words

In groups, learners are guided to:
- Write five numbers between 51 and 100 on cards
- Read the numbers in turns
- Write the numbers in words
- Read and write numbers like 63 as "sixty-three" and 78 as "seventy-eight"

How do we write numbers from 51 to 100 in words?

KLB Mathematical Activities Grade Three pg. 36
- Number cards
- Word cards
- Flash cards

- Observation - Oral reading - Written exercises

Numbers

Whole Numbers - Reading and writing numbers 1 to 100 in words
Whole Numbers - Identifying missing numbers in patterns up to 1000

By the end of the lesson, the learner should be able to:

- Read and write numbers 1 to 100 in words
- Match numbers in symbols with their words
- Show enthusiasm for writing numbers in words

In groups, learners are guided to:
- Match number symbols with their corresponding words
- Fill in missing words in number names
- Write given numbers in words
- Read numbers written in words

How do we match numbers in symbols with their words?

KLB Mathematical Activities Grade Three pg. 36
- Number cards
- Word cards
- Matching games
KLB Mathematical Activities Grade Three pg. 37
- Number charts

- Observation - Oral reading - Written exercises

Numbers

Whole Numbers - Identifying missing numbers in patterns up to 1000

By the end of the lesson, the learner should be able to:

- Identify number patterns from 101 to 500
- Find missing numbers in patterns
- Show enthusiasm in creating patterns

In groups, learners are guided to:
- Find missing numbers in sequences like 101, 102, 103, _, _
- Identify patterns counting backward: 225, 224, 223, _, _
- Identify patterns counting by tens: 320, 330, 340, _, _
- Create their own number patterns within this range

How do we complete number patterns between 101 and 500?

KLB Mathematical Activities Grade Three pg. 38
- Number cards
- Number charts

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Identifying missing numbers in patterns up to 1000
Whole Numbers - Creating number patterns up to 1000

By the end of the lesson, the learner should be able to:

- Identify number patterns from 501 to 1000
- Find missing numbers in patterns
- Appreciate number patterns with large numbers

In groups, learners are guided to:
- Find missing numbers in sequences like 640, 650, 660, _, _
- Identify patterns counting backward: 781, 780, 779, _, _
- Identify patterns counting by hundreds: 510, 610, 710, _, _
- Create their own number patterns within this range

How do we find missing numbers in patterns from 501 to 1000?

KLB Mathematical Activities Grade Three pg. 39
- Number cards
- Number charts
KLB Mathematical Activities Grade Three pg. 40
- Number charts
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Creating number patterns up to 1000

By the end of the lesson, the learner should be able to:

- Create more complex number patterns
- Apply different rules to create patterns
- Value patterns in mathematics

In groups, learners are guided to:
- Create patterns with multiple operations (e.g., add 5, then subtract 2)
- Create patterns with skip counting (e.g., count by 3s, 5s, or 10s)
- Exchange patterns with peers to identify rules
- Discuss patterns found in the environment

How can we create more complex number patterns?

KLB Mathematical Activities Grade Three pg. 40
- Number cards
- Number charts
- Pattern examples

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Playing games involving number patterns

By the end of the lesson, the learner should be able to:

- Play games involving number patterns
- Identify patterns in games
- Show enthusiasm for mathematical games

In groups, learners are guided to:
- Play number pattern games in groups
- Take turns creating and continuing patterns
- Use pattern cards for matching games
- Create their own number pattern games

How can we use games to learn about number patterns?

KLB Mathematical Activities Grade Three pg. 40
- Number pattern cards
- Game boards
- Pattern puzzles
- Digital devices (if available)
- Environmental patterns
- Craft materials

- Observation - Practical tasks - Peer assessment

Numbers

Whole Numbers - Playing games involving number patterns

By the end of the lesson, the learner should be able to:

- Play games involving counting forward and backward
- Create counting games
- Show interest in mathematical games

In groups, learners are guided to:
- Play counting games (e.g., count by 2s, 5s, or 10s)
- Play "What comes next?" with number sequences
- Create their own counting games
- Play games involving counting forward and backward

How can we use games to practice counting?

KLB Mathematical Activities Grade Three pg. 40
- Number cards
- Counting games
- Game materials

- Observation - Practical tasks - Peer assessment

Numbers

Addition - Adding a 3-digit number to a 2-digit number without regrouping

By the end of the lesson, the learner should be able to:

- Add a 3-digit number to a 2-digit number without regrouping
- Use place value charts for addition
- Show enthusiasm in addition

In groups, learners are guided to:
- Show 475 on an abacus and add 23 by putting 3 rings in the ones spike and 2 in the tens spike
- Practice vertical addition: 435 + 12 = 447
- Use place value charts to show addition
- Solve word problems involving such addition

How do we add a 3-digit number to a 2-digit number?

KLB Mathematical Activities Grade Three pg. 46
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 48
- Number cards
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding a 3-digit number to a 2-digit number without regrouping

By the end of the lesson, the learner should be able to:

- Add a 3-digit number to a 1-digit number without regrouping
- Use an abacus to add numbers
- Show interest in addition

In groups, learners are guided to:
- Take an abacus and show 342 on it
- Put 6 rings in the ones spike and observe the result
- Practice vertical addition: 214 + 5 = 219
- Work on exercises involving addition of 3-digit and 1-digit numbers

How do we add a 3-digit number and a 1-digit number?

KLB Mathematical Activities Grade Three pg. 43
- Abacus
- Place value charts
- Base ten blocks

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding a 3-digit number to a 2-digit number with single regrouping

By the end of the lesson, the learner should be able to:

- Add a 3-digit number to a 2-digit number with regrouping from ones to tens
- Use place value charts for addition with regrouping
- Show enthusiasm in solving addition problems

In groups, learners are guided to:
- Draw a place value chart and show 567 + 28
- Add ones (7 + 8 = 15) and regroup as 1 ten and 5 ones
- Add tens including the regrouped ten
- Solve word problems involving such addition

How do we regroup from ones to tens when adding?

KLB Mathematical Activities Grade Three pg. 52
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 54
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding a 3-digit number to a 2-digit number with single regrouping

By the end of the lesson, the learner should be able to:

- Add with regrouping from tens to hundreds
- Use place value charts for addition
- Show interest in addition with regrouping

In groups, learners are guided to:
- Add 451 + 82 vertically
- Add ones: 1 + 2 = 3
- Add tens: 5 + 8 = 13, regroup as 1 hundred and 3 tens
- Add hundreds including the regrouped hundred
- Solve exercises with similar addition

How do we regroup from tens to hundreds when adding?

KLB Mathematical Activities Grade Three pg. 55
- Place value charts
- Abacus
- Base ten blocks

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers without regrouping

By the end of the lesson, the learner should be able to:

- Add two 3-digit numbers without regrouping
- Use place value charts for addition
- Show interest in adding larger numbers

In groups, learners are guided to:
- Practice vertical addition: 403 + 245 = 648
- Add ones, tens, and hundreds separately
- Use place value charts to demonstrate addition
- Solve word problems involving addition of two 3-digit numbers

How do we add two 3-digit numbers?

KLB Mathematical Activities Grade Three pg. 59
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 60
- Number cards
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers without regrouping

By the end of the lesson, the learner should be able to:

- Add two 3-digit numbers with zeros
- Apply addition strategies appropriately
- Show interest in addition with zeros

In groups, learners are guided to:
- Practice addition with zeros: 300 + 200 = 500
- Add numbers like 207 + 302 = 509
- Use place value charts to show the role of zeros in addition
- Create their own addition problems with zeros

How do zeros affect addition?

KLB Mathematical Activities Grade Three pg. 60
- Place value charts
- Number cards
- Base ten blocks

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers without regrouping
Addition - Adding two 3-digit numbers with single regrouping

By the end of the lesson, the learner should be able to:

- Add two 3-digit numbers in different ways
- Compare vertical and horizontal addition
- Appreciate different addition strategies

In groups, learners are guided to:
- Add the same numbers vertically and horizontally
- Compare the processes and results
- Discuss advantages of different addition methods
- Solve addition problems using preferred methods

What are the different ways to add 3-digit numbers?

KLB Mathematical Activities Grade Three pg. 60
- Place value charts
- Number cards
- Worksheets
KLB Mathematical Activities Grade Three pg. 61
- Abacus
- Base ten blocks

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers with single regrouping

By the end of the lesson, the learner should be able to:

- Add two 3-digit numbers horizontally with regrouping
- Apply addition in solving problems
- Value addition in daily activities

In groups, learners are guided to:
- Practice horizontal addition: 538 + 297 = 835
- Add ones with regrouping
- Add tens and hundreds
- Solve word problems involving addition with regrouping
- Share solution strategies with peers

How can we solve horizontal addition problems with regrouping?

KLB Mathematical Activities Grade Three pg. 62
- Place value charts
- Abacus
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers with single regrouping

By the end of the lesson, the learner should be able to:

- Add two 3-digit numbers with regrouping from tens to hundreds
- Use place value charts
- Show interest in addition with regrouping

In groups, learners are guided to:
- Work out addition: 562 + 291
- Add ones: 2 + 1 = 3
- Add tens: 6 + 9 = 15, regroup as 1 hundred and 5 tens
- Add hundreds including the regrouped hundred
- Solve similar addition problems

How do we regroup from tens to hundreds when adding two 3-digit numbers?

KLB Mathematical Activities Grade Three pg. 63
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 64
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Addition - Creating number patterns involving addition up to 1000

By the end of the lesson, the learner should be able to:

- Identify patterns involving addition
- Find missing numbers in addition patterns
- Show interest in number patterns

In groups, learners are guided to:
- Find missing numbers in patterns like 20 + □ = 24, 24 + □ = 28
- Identify the rule in addition patterns (e.g., add 4, add 10)
- Complete patterns like 50 + □ = 60, 60 + □ = 70
- Create their own addition patterns

How do we identify the rule in addition patterns?

KLB Mathematical Activities Grade Three pg. 66
- Number cards
- Number charts
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Addition - Creating number patterns involving addition up to 1000

By the end of the lesson, the learner should be able to:

- Identify rules in addition patterns
- Apply rules to complete patterns
- Show enthusiasm for patterns

In groups, learners are guided to:
- Examine patterns like 10, 15, 20, 25, 30, 35 and identify the rule (add 5)
- Look at patterns like 35, 45, 55, 65, 75, 85 and identify the rule (add 10)
- Apply identified rules to extend patterns
- Create their own addition patterns with specific rules

How do we find and apply rules in number patterns?

KLB Mathematical Activities Grade Three pg. 67
- Number cards
- Number charts
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Addition - Creating number patterns involving addition up to 1000

By the end of the lesson, the learner should be able to:

- Find missing numbers in addition patterns
- Apply pattern rules to find missing numbers
- Appreciate patterns in mathematics

In groups, learners are guided to:
- Find missing numbers in patterns like 50, 70, 90, _, _, _
- Identify the rule (add 20) and complete the pattern: 110, 130, 150
- Find missing numbers in various patterns with different rules
- Share strategies for identifying pattern rules

How do we find missing numbers in addition patterns?

KLB Mathematical Activities Grade Three pg. 68
- Number cards
- Number charts
- Worksheets
KLB Mathematical Activities Grade Three pg. 69

- Observation - Oral questions - Written exercises

Numbers

Addition - Creating number patterns involving addition up to 1000

By the end of the lesson, the learner should be able to:

- Create more complex addition patterns
- Apply different rules to create patterns
- Value patterns in mathematics

In groups, learners are guided to:
- Create patterns with multiple operations (e.g., add 5, then add 10)
- Create patterns with varying intervals
- Exchange patterns with peers to identify rules
- Discuss patterns found in daily life

How can we create more complex addition patterns?

KLB Mathematical Activities Grade Three pg. 69
- Number cards
- Number charts
- Pattern examples

- Observation - Oral questions - Written exercises

Numbers

Addition - Practicing addition using digital devices or other resources

By the end of the lesson, the learner should be able to:

- Use digital devices for addition
- Apply addition skills in various contexts
- Appreciate technology in learning mathematics

In groups, learners are guided to:
- Use digital devices (calculators, tablets, computers) to practice addition
- Play digital games involving addition of numbers
- Compare manual calculation with digital calculation
- Solve addition problems using both methods

How can we use digital devices to practice addition?

KLB Mathematical Activities Grade Three pg. 69
- Calculators
- Tablets/computers (if available)
- Digital mathematical games
- Counters
- Abacus
- Base ten blocks
- Number charts
- Number lines

- Observation - Practical tasks - Digital assessments

Numbers
Measurement

Addition - Practicing addition using digital devices or other resources
Length - Measuring length in metres

By the end of the lesson, the learner should be able to:

- Practice addition using various resources
- Apply addition skills in diverse contexts
- Show creativity in addition activities

In groups, learners are guided to:
- Create addition puzzles and games for peers
- Use manipulatives to demonstrate different addition problems
- Design addition worksheets for classmates
- Engage in addition competitions using available resources

How can we practice addition in fun and engaging ways?

KLB Mathematical Activities Grade Three pg. 69
- Manipulatives
- Number cards
- Game boards
- Worksheets
- KLB Mathematical Activities Grade Three pg. 149
- Metre sticks
- String
- Rulers
- Chalk board

- Observation - Peer assessment - Performance tasks

Measurement

Length - Adding length in metres
Length - Subtracting length in metres
Length - Estimating length up to 10 metres (1)

By the end of the lesson, the learner should be able to:

- Add length in metres
- Solve real-life problems involving addition of length in metres
- Show interest in adding length measurements

- Learners in pairs/groups measure the length of the chalkboard and the teacher's table in metres and add the lengths
- Learners work out questions involving addition of length in real life situations
- Learners practice adding lengths horizontally and vertically

How do you arrange numbers when adding lengths downwards?

- KLB Mathematical Activities Grade Three pg. 153
- Metre sticks
- Manila paper
- Charts
- KLB Mathematical Activities Grade Three pg. 154
- Measuring tape
- School map
- KLB Mathematical Activities Grade Three pg. 157
- String
- Classroom objects

- Observation - Oral questions - Written assignments

Measurement

Length - Estimating length up to 10 metres (2)
Length - Applying length measurement in real-life situations
Mass - Measuring mass in kilograms

By the end of the lesson, the learner should be able to:

- Improve accuracy in estimating length up to 10 metres
- Record estimated and actual lengths in a table
- Value accuracy in estimation

- Learners in pairs/groups estimate distances of different items in and outside classroom
- Learners measure the actual distances and record in a table
- Learners compare their estimations with actual measurements
- Learners discuss strategies for improving estimation accuracy

How can we improve our length estimation skills?

- KLB Mathematical Activities Grade Three pg. 157
- Metre sticks
- String
- Measuring tape
- KLB Mathematical Activities Grade Three pg. 158
- Digital devices
- Charts
- KLB Mathematical Activities Grade Three pg. 159
- Beam balance
- Sand
- Soil
- 1kg standard weight

- Observation - Oral questions - Written exercises

Measurement

Mass - Adding mass in kilograms
Mass - Subtracting mass in kilograms

By the end of the lesson, the learner should be able to:

- Add mass in kilograms
- Solve real-life problems involving addition of mass in kilograms
- Value accuracy in addition of mass measurements

- Learners in groups use a beam balance to measure 2kg of sand
- Learners measure another 3 kgs of sand and find the total mass
- Learners in pairs/groups role play addition of mass in kilograms using items in the classroom model shop
- Learners solve word problems involving addition of mass

How do we add mass measurements correctly?

- KLB Mathematical Activities Grade Three pg. 161
- Beam balance
- Sand
- Classroom model shop items
- Charts
- KLB Mathematical Activities Grade Three pg. 163

- Observation - Oral questions - Written exercises

Measurement

Mass - Estimating mass up to 5 kilograms (1)
Mass - Estimating mass up to 5 kilograms (2)

By the end of the lesson, the learner should be able to:

- Estimate mass up to 5 kilograms
- Compare estimated and actual mass
- Show interest in estimating mass

- Learners in groups compare the masses of items with a 5kg mass
- Learners identify masses which are heavier than or lighter than 5kg
- Learners estimate the mass of various items up to 5kg
- Learners measure the actual mass of items and compare with their estimations

How can you tell if an object is heavier or lighter than 5kg?

- KLB Mathematical Activities Grade Three pg. 166
- Beam balance
- 5kg mass
- Various classroom objects
- KLB Mathematical Activities Grade Three pg. 167
- Various objects
- Sand
- Soil

- Observation - Oral questions - Practical activities

Measurement

Mass - Applying mass measurement in real-life situations

By the end of the lesson, the learner should be able to:

- Apply mass measurement in real-life situations
- Appreciate the use of mass measurements in daily activities
- Value accuracy in mass measurement

- Learners play digital games involving mass
- Learners discuss real-life situations where mass measurement is important
- Learners solve practical problems involving mass measurements

How is mass measurement important in our daily lives?

- KLB Mathematical Activities Grade Three pg. 168
- Digital devices
- Beam balance
- Various objects

- Observation - Oral questions - Written assignments

Measurement

Capacity - Measuring capacity in litres (1)
Capacity - Measuring capacity in litres (2)

By the end of the lesson, the learner should be able to:

- Identify items measured in litres
- Collect containers labelled in litres
- Appreciate measurement of capacity in litres

- Learners in pairs/groups collect safe containers labelled litres from the environment
- Learners identify and write items that were stored in the containers
- Learners discuss that a litre is written in short as l

What things are measured in litres?

- KLB Mathematical Activities Grade Three pg. 169
- One litre containers
- Locally available containers
- Water
- KLB Mathematical Activities Grade Three pg. 170
- Various containers (jug, jerrycan, sufuria, pot, basin, bucket)

- Observation - Oral questions - Practical activities

Measurement

Capacity - Adding capacity in litres

By the end of the lesson, the learner should be able to:

- Add capacity in litres
- Solve real-life problems involving addition of capacity in litres
- Value accuracy in addition of capacity

- Learners in groups take a 1 litre bottle and use it to fill a jerrycan with water
- Learners use 1 litre bottles to fill a basin with water
- Learners find the total number of litres of water in the two containers
- Learners practice addition of capacity in litres through exercises

How do we find the total capacity of two or more containers?

- KLB Mathematical Activities Grade Three pg. 173
- One litre containers
- Various containers
- Water

- Observation - Oral questions - Written exercises

Measurement

Capacity - Subtracting capacity in litres
Capacity - Estimating capacity up to 5 litres (1)

By the end of the lesson, the learner should be able to:

- Subtract capacity in litres
- Solve real-life problems involving subtraction of capacity in litres
- Appreciate subtraction of capacity in daily life

- Learners in groups take a container with 8 litres of water
- Learners fill a three litre container with the water from the first container
- Learners find the amount of water remaining in the container
- Learners solve word problems involving subtraction of capacity

How do you find how much water remains in a container after some is removed?

- KLB Mathematical Activities Grade Three pg. 175
- Various containers
- Water
- One litre containers
- KLB Mathematical Activities Grade Three pg. 176
- 5 litre container
- Various containers (kettle, jug, basin, sufuria, jerrycan, bucket)

- Observation - Oral questions - Written exercises

Measurement

Capacity - Estimating capacity up to 5 litres (2)

By the end of the lesson, the learner should be able to:

- Estimate capacity up to 5 litres
- Compare estimated and actual capacity
- Value accuracy in estimation

- Learners in groups estimate the capacity of various containers up to 5 litres
- Learners measure the actual capacity and record in a table
- Learners compare their estimations with actual measurements
- Learners discuss strategies for improving estimation accuracy

How close can your estimation be to the actual capacity?

- KLB Mathematical Activities Grade Three pg. 177
- Various containers
- One litre container
- Water

- Observation - Oral questions - Written exercises

Measurement

Capacity - Applying capacity measurement in real-life situations (1)
Capacity - Applying capacity measurement in real-life situations (2)

By the end of the lesson, the learner should be able to:

- Apply capacity measurement in real-life situations
- Appreciate the use of capacity measurements in daily activities
- Show interest in practical uses of capacity

- Learners play digital games involving capacity in real life situations
- Learners discuss real-life situations where capacity measurement is important
- Learners solve practical problems involving capacity measurements

Why is measuring capacity important in our daily lives?

- KLB Mathematical Activities Grade Three pg. 178
- Digital devices
- Various containers
- Water
- One litre containers
- Charts

- Observation - Oral questions - Written assignments

Measurement

Time - Identifying minute as a unit of measuring time

By the end of the lesson, the learner should be able to:

- Identify the minute as a unit of measuring time
- Identify the hands of a clock
- Appreciate time as a measure

- Learners in groups take a circular cut out and divide it into twelve equal parts
- Learners label the parts as shown in the analogue clock
- Learners show the arms of a clock face and identify them
- Learners identify that the clock face is divided into 60 equal parts, each part being a minute

How many minutes are there between the numbers on a clock face?

- KLB Mathematical Activities Grade Three pg. 179
- Clock faces
- Circular cut outs
- Digital clocks
- Charts showing clock face

- Observation - Oral questions - Practical activities

Measurement

Time - Reading and telling time using 'past' and 'to' on clock face (1)
Time - Reading and telling time using 'past' and 'to' on clock face (2)

By the end of the lesson, the learner should be able to:

- Read and tell time using half past the hour
- Read and tell time using quarter past the hour
- Value punctuality

- Learners in groups read and tell time when the minute hand is pointing at 6 (half past the hour)
- Learners in groups read and tell time when the minute hand is pointing at 3 (quarter past the hour)
- Learners practice reading various times on clock faces

How do we read time when the minute hand points to 6?

- KLB Mathematical Activities Grade Three pg. 184
- Clock faces
- Digital clocks
- Charts showing clock faces at different times
- KLB Mathematical Activities Grade Three pg. 188

- Observation - Oral questions - Written exercises

Measurement

Time - Reading and telling time using digital and analogue clocks (1)

By the end of the lesson, the learner should be able to:

- Read time using the digital clock
- Convert time from analogue to digital clock
- Appreciate different ways of telling time

- Learners in groups discuss how the digital clock operates
- Learners read and tell time on a digital clock
- Learners compare time shown on digital and analogue clocks
- Learners convert time from analogue to digital format

How do we read time using a digital clock?

- KLB Mathematical Activities Grade Three pg. 192
- Digital clocks
- Analogue clocks
- Charts showing digital and analogue time

- Observation - Oral questions - Written exercises

Measurement

Time - Reading and telling time using digital and analogue clocks (2)
Time - Writing time using 'past' and 'to' the hour

By the end of the lesson, the learner should be able to:

- Tell time using both digital and analogue clocks
- Compare digital and analogue time displays
- Value time management

- Learners practice reading different times on digital clocks
- Learners match digital time displays with corresponding analogue clock faces
- Learners solve problems involving reading time on both types of clocks

What are the advantages of digital and analogue clocks?

- KLB Mathematical Activities Grade Three pg. 192
- Digital clocks
- Analogue clocks
- Charts showing digital and analogue time
- KLB Mathematical Activities Grade Three pg. 195
- Clock faces
- Charts showing different times
- Exercise books

- Observation - Oral questions - Written exercises

Measurement

Time - Estimating time in hours

By the end of the lesson, the learner should be able to:

- Estimate time in hours
- Round time to the nearest hour
- Value time management

- Learners in groups take a clock face and show a time with the minute hand pointing at a specific position
- Learners read the number which is nearest the hour hand
- Learners estimate and round time to the nearest hour
- Learners solve problems involving estimation of time

How do we estimate time to the nearest hour?

- KLB Mathematical Activities Grade Three pg. 196
- Clock faces
- Digital clocks
- Charts showing different times

- Observation - Oral questions - Written exercises

Measurement

Time - Adding time (hours and minutes without conversion)

By the end of the lesson, the learner should be able to:

- Add time involving hours and minutes without conversion
- Solve real-life problems involving addition of time
- Appreciate addition of time in daily activities

- Learners in groups write addition of time in vertical form
- Learners add the minutes
- Learners add the hours
- Learners solve word problems involving addition of time

How do we add hours and minutes separately?

- KLB Mathematical Activities Grade Three pg. 197
- Clock faces
- Digital clocks
- Charts showing addition of time

- Observation - Oral questions - Written exercises

Measurement

Time - Subtracting time (hours and minutes without conversion)
Time - Appreciating time in real-life situations

By the end of the lesson, the learner should be able to:

- Subtract time involving hours and minutes without conversion
- Solve real-life problems involving subtraction of time
- Value time management

- Learners in groups arrange subtraction of time in vertical form
- Learners subtract the minutes
- Learners subtract the hours
- Learners solve word problems involving subtraction of time

How do we subtract hours and minutes separately?

- KLB Mathematical Activities Grade Three pg. 197
- Clock faces
- Digital clocks
- Charts showing subtraction of time
- Charts showing daily schedules

- Observation - Oral questions - Written exercises

Measurement

Money - Identifying Kenyan currency notes up to Sh.1000

By the end of the lesson, the learner should be able to:

- Identify Kenyan currency notes up to sh.1000
- Discuss features of Kenyan currency
- Value honesty when handling money

- Learners in groups look at pictures of Kenyan currency notes and discuss their features
- Learners identify and name Kenyan currency notes up to sh.1000
- Learners identify key features on different currency notes
- Learners use locally available materials to model Kenyan currency denominations

What features can you identify on Kenyan currency notes?

- KLB Mathematical Activities Grade Three pg. 198
- Kenyan currency notes (real or imitations)
- Charts showing currency notes
- Manila paper

- Observation - Oral questions - Practical activities

Measurement

Money - Counting money in different denominations up to Sh.1000
Money - Adding money in different denominations up to Sh.1000 (1)

By the end of the lesson, the learner should be able to:

- Count money in different denominations up to sh.1000
- Identify the total value of a collection of notes and coins
- Appreciate the importance of counting money accurately

- Learners in groups take different combinations of currency notes and coins
- Learners count the total value of money in each group
- Learners count and record the value of different combinations of notes and coins
- Learners solve problems involving counting money

How do you count a combination of different currency notes and coins?

- KLB Mathematical Activities Grade Three pg. 200
- Kenyan currency notes and coins (real or imitations)
- Charts showing currency
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 201
- Kenyan currency (real or imitations)
- Charts showing addition of money

- Observation - Oral questions - Practical activities

Measurement

Money - Adding money in different denominations up to Sh.1000 (2)

By the end of the lesson, the learner should be able to:

- Add money in different denominations with regrouping
- Solve real-life problems involving addition of money
- Show interest in adding money

- Learners in groups practice adding money with regrouping from cents to shillings
- Learners solve addition problems involving money in real-life situations
- Learners use a price list to calculate the total cost of multiple items

How do we regroup when adding money with cents?

- KLB Mathematical Activities Grade Three pg. 202
- Kenyan currency (real or imitations)
- Price lists
- Classroom model shop

- Observation - Oral questions - Written exercises

Measurement

Money - Subtracting money in different denominations up to Sh.1000 (1)
Money - Subtracting money in different denominations up to Sh.1000 (2)

By the end of the lesson, the learner should be able to:

- Subtract money involving different denominations up to a sh.1000
- Solve problems involving subtraction of money
- Value accuracy when subtracting money

- Learners in groups write subtraction of money in vertical form
- Learners subtract the cents
- Learners subtract the shillings
- Learners solve word problems involving subtraction of money

How do we subtract money with both shillings and cents?

- KLB Mathematical Activities Grade Three pg. 203
- Kenyan currency (real or imitations)
- Charts showing subtraction of money
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 204
- Price lists

- Observation - Oral questions - Written exercises

Measurement

Money - Representing the same amount in different denominations

By the end of the lesson, the learner should be able to:

- Represent the same amount of money in different denominations
- Identify equivalent combinations of notes and coins
- Value flexibility in handling money

- Learners in groups take different currency notes and represent them using other denominations
- Learners write the amount of money represented by different combinations of notes and coins
- Learners create different ways to represent the same amount of money

How can money be represented in different denominations?

- KLB Mathematical Activities Grade Three pg. 208
- Kenyan currency (real or imitations)
- Charts showing equivalent denominations
- Classroom model shop

- Observation - Oral questions - Practical activities

Measurement

Money - Converting money into different denominations
Money - Using money to buy up to 3 items involving balance

By the end of the lesson, the learner should be able to:

- Convert money into different denominations
- Solve problems involving conversion of denominations
- Show interest in handling money

- Learners in groups convert specific currency notes into smaller denominations
- Learners determine how many coins or smaller notes can be converted from larger denominations
- Learners solve problems involving conversion of money

How many twenty shilling coins can be converted to one hundred shilling note?

- KLB Mathematical Activities Grade Three pg. 209
- Kenyan currency (real or imitations)
- Charts showing conversion of denominations
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 211
- Price lists

- Observation - Oral questions - Written exercises

Measurement

Money - Appreciating spending and saving money

By the end of the lesson, the learner should be able to:

- Understand the importance of saving money
- Identify ways to save money
- Appreciate spending and saving money wisely

- Learners discuss why we save money
- Learners identify different places where money can be saved
- Learners discuss items they would like to buy with saved money
- Learners discuss the importance of making spending plans

Why is it important to save money?

- KLB Mathematical Activities Grade Three pg. 214
- Charts showing saving methods
- Pictures of banks and saving institutions
- Pictures of items to buy

- Observation - Oral questions - Written assignments