Numbers

Subtraction - Subtracting a 2-digit number from a 3-digit number without regrouping

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

- Subtract a single-digit number from a 3-digit number without regrouping
- Use place value charts for subtraction
- Show interest in subtraction

- Observe demonstration of subtraction on an abacus: 278 - 5 = 273
- Subtract vertically with place value understanding
- Practice similar subtraction problems
- Solve word problems involving such subtraction

How do we subtract a single-digit number from a 3-digit number?

KLB Mathematical Activities Grade Three pg. 76
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 78

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting a 2-digit number from a 3-digit number without regrouping
Subtraction - Subtracting a 2-digit number from a 3-digit number with single regrouping

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

- Subtract horizontally without regrouping
- Apply subtraction in solving problems
- Value different methods of subtraction

- Practice horizontal subtraction: 584 - 21 = 563
- Relate vertical and horizontal subtraction
- Solve word problems involving subtraction
- Share solution strategies with peers

What are the different ways to subtract numbers?

KLB Mathematical Activities Grade Three pg. 79
- Place value charts
- Number cards
- Word problem cards
KLB Mathematical Activities Grade Three pg. 83
- Abacus
- Base ten blocks

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting a 2-digit number from a 3-digit number with single regrouping

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

- Subtract a 2-digit number with regrouping from tens to ones
- Use place value charts
- Show interest in subtraction with regrouping

- Work out subtraction: 492 - 78
- Recognize that 8 cannot be directly subtracted from 2
- Regroup 1 ten as 10 ones, adding to 2 ones to get 12 ones
- Subtract 8 from 12 to get 4 ones
- Subtract 7 from 8 tens to get 1 ten
- Practice similar problems

How do we regroup from tens to ones when subtracting a 2-digit number?

KLB Mathematical Activities Grade Three pg. 86
- Place value charts
- Abacus
- Base ten blocks

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting a 2-digit number from a 3-digit number with single regrouping
Subtraction - Subtracting a 3-digit number from a 3-digit number with single regrouping

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

- Subtract with regrouping from hundreds to tens
- Use place value charts
- Show enthusiasm in subtraction

- Work out subtraction: 526 - 41
- Subtract ones: 6 - 1 = 5
- Recognize that 4 cannot be directly subtracted from 2
- Regroup 1 hundred as 10 tens, adding to 2 tens to get 12 tens
- Subtract 4 from 12 to get 8 tens
- Practice similar problems

How do we regroup from hundreds to tens when subtracting?

KLB Mathematical Activities Grade Three pg. 89
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 80

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting a 3-digit number from a 3-digit number with single regrouping

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

- Subtract 3-digit numbers with regrouping from tens to ones
- Use place value charts
- Show interest in subtraction

- Work out subtraction: 347 - 128 = 219
- Recognize that 8 cannot be directly subtracted from 7
- Regroup 1 ten as 10 ones, adding to 7 ones to get 17 ones
- Subtract 8 from 17 to get 9 ones
- Subtract 2 from 3 tens to get 1 ten
- Subtract 1 from 3 hundreds to get 2 hundreds
- Practice similar problems

How do we regroup when subtracting 3-digit numbers?

KLB Mathematical Activities Grade Three pg. 92
- Place value charts
- Abacus
- Base ten blocks

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting a 3-digit number from a 3-digit number with single regrouping

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

- Subtract with regrouping from hundreds to tens
- Use place value charts
- Show enthusiasm in subtraction

- Work out subtraction: 518 - 294 = 224
- Subtract ones: 8 - 4 = 4
- Recognize that 9 cannot be directly subtracted from 1
- Regroup 1 hundred as 10 tens, adding to 1 ten to get 11 tens
- Subtract 9 from 11 to get 2 tens
- Subtract 2 from 4 hundreds to get 2 hundreds
- Practice similar problems

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

KLB Mathematical Activities Grade Three pg. 94
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 96
- Number cards
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting up to 3-digit numbers involving missing numbers with single regrouping

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

- Fill in missing numbers in subtraction
- Use inverse operations to find missing numbers
- Show interest in subtraction puzzles

- Complete exercises like: 320 - □ = 315 or 320 - 5 = □
- Use inverse operations to find missing numbers
- Create their own subtraction puzzles with missing numbers
- Exchange puzzles with peers to solve

How do we find missing numbers in subtraction?

KLB Mathematical Activities Grade Three pg. 97
- Number cards
- Worksheets
- Place value charts

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting up to 3-digit numbers involving missing numbers with single regrouping

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

- Solve subtraction with missing subtrahends
- Apply inverse operations
- Show enthusiasm for mathematical puzzles

- Solve problems like: 320 - □ = 315
- Use subtraction to find the missing subtrahend
- Create their own puzzles with missing subtrahends
- Share solution strategies with peers

How do we find a missing subtrahend in subtraction?

KLB Mathematical Activities Grade Three pg. 97
- Number cards
- Worksheets
- Place value charts

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting up to 3-digit numbers involving missing numbers with single regrouping
Subtraction - Working out missing numbers in patterns involving subtraction up to 1000

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

- Solve complex subtraction with missing numbers
- Apply appropriate strategies
- Value problem-solving in mathematics

- Solve more complex problems with missing numbers
- Apply different strategies to find missing numbers
- Create and solve their own subtraction puzzles
- Discuss when subtraction with missing numbers is used in daily life

How can we apply subtraction with missing numbers in real life?

KLB Mathematical Activities Grade Three pg. 97
- Number cards
- Worksheets
- Real-life scenarios
KLB Mathematical Activities Grade Three pg. 98
- Number charts
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Working out missing numbers in patterns involving subtraction up to 1000

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

- Create patterns with subtraction rules
- Apply specific rules to create patterns
- Show creativity in pattern creation

- Create patterns starting from 30 with the rule "subtract 2"
- Create patterns with various starting points and rules
- Exchange patterns with peers and solve each other's patterns
- Discuss different ways to create subtraction patterns

How do we create our own subtraction patterns?

KLB Mathematical Activities Grade Three pg. 99
- Number charts
- Number cards
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Working out missing numbers in patterns involving subtraction up to 1000
Subtraction - Applying subtraction in real-life situations

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

- Identify complex subtraction patterns
- Find missing numbers in patterns
- Value patterns in mathematics

- Identify patterns involving larger numbers
- Complete patterns like: 900, 850, 800, _, _, _
- Create their own patterns with specific rules
- Discuss patterns found in the environment

How do we identify patterns in larger numbers?

KLB Mathematical Activities Grade Three pg. 98
- Number charts
- Number cards
- Environmental patterns
KLB Mathematical Activities Grade Three pg. 102
- Word problem cards
- Real-life scenarios
- Pictures

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Applying subtraction in real-life situations

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

- Solve various subtraction word problems
- Apply subtraction strategies appropriately
- Show interest in practical applications of subtraction

- Solve diverse word problems involving subtraction
- Share different solution strategies
- Create word problems based on real-life scenarios
- Discuss the importance of subtraction in daily life

In what ways can we apply subtraction in our daily lives?

KLB Mathematical Activities Grade Three pg. 103
- Word problem cards
- Real-life scenarios
- Pictures
- Real objects
- Role-play materials

- Observation - Oral questions - Written exercises

Numbers

Multiplication - Modeling multiplication as repeated addition using numbers 1, 2, 3, 4 and 5 by 4 and 5

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

- Model multiplication as repeated addition
- Use counters to represent multiplication
- Show interest in learning multiplication

- Use counters to form groups as shown in pictures
- Count the total number of counters
- Represent multiplication as repeated addition: 5 + 5 + 5 = 15 is 3 × 5 = 15
- Practice similar exercises using counters

How can we represent multiplication using repeated addition?

KLB Mathematical Activities Grade Three pg. 104
- Counters
- Pictures showing groups
- Base ten blocks

- Observation - Practical tasks - Oral questions

Numbers

Multiplication - Modeling multiplication as repeated addition using numbers 1, 2, 3, 4 and 5 by 4 and 5
Multiplication - Multiplying a single digit number by a single digit number

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

- Represent multiplication using counters
- Model multiplication of numbers 1-5 by 4
- Appreciate multiplication as repeated addition

- Use counters to show multiplication like 3 × 4
- Form 3 groups each having 4 counters
- Count the total number of counters
- Write the multiplication as repeated addition: 4 + 4 + 4 = 12
- Practice similar exercises

How do we use counters to show multiplication?

KLB Mathematical Activities Grade Three pg. 106
- Counters
- Base ten blocks
- Number cards
KLB Mathematical Activities Grade Three pg. 107
- Number cards
- Multiplication tables

- Observation - Practical tasks - Oral questions

Numbers

Multiplication - Multiplying a single digit number by a single digit number

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

- Multiply single-digit numbers
- Use multiplication tables
- Value multiplication as a quick way to add equal groups

- Practice multiplying numbers like 4 × 3, 2 × 7, 6 × 8, etc.
- Use multiplication tables to find products
- Solve multiplication problems
- Create multiplication fact cards

How do we use multiplication tables to multiply single-digit numbers?

KLB Mathematical Activities Grade Three pg. 108
- Multiplication tables
- Number cards
- Counters

- Observation - Oral questions - Written exercises

Numbers

Multiplication - Multiplying a single digit number by a single digit number
Multiplication - Multiplying single digit numbers by 10

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

- Multiply single-digit numbers fluently
- Apply multiplication in solving problems
- Show interest in using multiplication

- Practice multiplication facts
- Solve word problems involving multiplication
- Work in pairs to quiz each other on multiplication facts
- Play multiplication games to reinforce learning

How can we apply multiplication to solve problems?

KLB Mathematical Activities Grade Three pg. 110
- Multiplication fact cards
- Word problem cards
- Game materials
KLB Mathematical Activities Grade Three pg. 111
- Place value charts
- Number cards
- Multiplication tables

- Observation - Oral questions - Written exercises

Numbers

Multiplication - Multiplying single digit numbers by 10

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

- Multiply various single-digit numbers by 10
- Apply multiplication by 10 in solving problems
- Appreciate multiplication by 10

- Practice multiplying single-digit numbers by 10
- Use the pattern of adding a zero when multiplying by 10
- Solve word problems involving multiplication by 10
- Create their own problems involving multiplication by 10

Why is it easy to multiply by 10?

KLB Mathematical Activities Grade Three pg. 112
- Place value charts
- Number cards
- Word problem cards
KLB Mathematical Activities Grade Three pg. 113
- Multiplication tables
- Game materials

- Observation - Oral questions - Written exercises

Numbers

Multiplication - Appreciating multiplication as repeated addition in daily life

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

- Apply multiplication in daily life
- Solve word problems involving multiplication
- Value multiplication in real-life situations

- Solve problems like "A cow has 4 legs. How many legs do 9 cows have?"
- Identify situations where multiplication is used
- Create their own word problems based on real-life scenarios
- Share their problems with peers

How is multiplication used in our daily lives?

KLB Mathematical Activities Grade Three pg. 117
- Word problem cards
- Pictures
- Real-life objects

- Observation - Oral questions - Written exercises

Numbers

Multiplication - Appreciating multiplication as repeated addition in daily life
Division - Representing division as repeated subtraction (numbers up to 50 by 4 and 5)

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

- Recognize multiplication in various contexts
- Apply multiplication skills appropriately
- Show enthusiasm for using multiplication

- Identify real-life situations involving multiplication
- Create stories or role-plays showing multiplication
- Solve varied word problems involving multiplication
- Discuss the advantages of using multiplication instead of repeated addition

Why is multiplication faster than repeated addition?

KLB Mathematical Activities Grade Three pg. 117
- Real-life scenarios
- Role-play materials
- Word problem cards
KLB Mathematical Activities Grade Three pg. 118
- Counters
- Picture cards
- Number cards

- Observation - Oral questions - Written exercises

Numbers

Division - Representing division as repeated subtraction (numbers up to 50 by 4 and 5)

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

- Divide numbers using repeated subtraction
- Model division as repeated subtraction
- Appreciate division as repeated subtraction

- Divide numbers like 20 ÷ 4 using repeated subtraction
- Count how many times the divisor is subtracted
- Use counters to model division
- Practice various division problems using repeated subtraction

How do we find how many groups we can make when dividing?

KLB Mathematical Activities Grade Three pg. 121
- Counters
- Number cards
- Worksheets

- Observation - Practical tasks - Written exercises

Numbers

Division - Dividing 2-digit numbers by single-digit numbers without remainder

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

- Divide 2-digit numbers by 2, 3, and 6
- Use repeated subtraction for division
- Show enthusiasm for division

- Divide numbers like 16 ÷ 2, 18 ÷ 3, 24 ÷ 6 using repeated subtraction
- Count how many times the divisor can be subtracted
- Practice similar division problems
- Solve word problems involving division

How do we divide using repeated subtraction?

KLB Mathematical Activities Grade Three pg. 122
- Counters
- Number cards
- Worksheets
KLB Mathematical Activities Grade Three pg. 123

- Observation - Oral questions - Written exercises

Numbers

Division - Dividing 2-digit numbers by 10 without remainder

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

- Divide 2-digit numbers by 10
- Recognize patterns when dividing by 10
- Show interest in division by 10

- Examine multiplication table to see division by 10
- Practice dividing numbers like 20 ÷ 10, 30 ÷ 10, 40 ÷ 10, etc.
- Identify the pattern when dividing by 10 (remove a zero)
- Solve division problems involving 10

What happens when we divide a 2-digit number by 10?

KLB Mathematical Activities Grade Three pg. 124
- Multiplication tables
- Number cards
- Worksheets
- Worksheets
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Division - Using division as repeated subtraction in real-life situations

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

- Apply division in daily life
- Solve word problems involving division
- Value division in real-life situations

- Solve problems like "John had 48 mangoes. He shared them equally among 6 children. How many mangoes did each get?"
- Identify situations where division is used
- Create their own word problems based on real-life scenarios
- Share their problems with peers

How is division used in our daily lives?

KLB Mathematical Activities Grade Three pg. 125
- Word problem cards
- Pictures
- Real-life objects

- Observation - Oral questions - Written exercises

Numbers

Division - Using division as repeated subtraction in real-life situations
Fractions - Identifying ½ as part of a whole

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

- Recognize division in various contexts
- Apply division skills appropriately
- Show enthusiasm for using division

- Identify real-life situations involving division
- Create stories or role-plays showing division
- Solve varied word problems involving division
- Discuss the advantages of using division instead of repeated subtraction

Why is division faster than repeated subtraction?

KLB Mathematical Activities Grade Three pg. 128
- Real-life scenarios
- Role-play materials
- Word problem cards
KLB Mathematical Activities Grade Three pg. 129
- Rectangular and circular cut-outs
- Manila papers
- Scissors
- Colored pencils

- Observation - Oral questions - Written exercises

Numbers

Fractions - Identifying ½ as part of a whole

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

- Represent half in different shapes
- Shade half of given shapes
- Value fractions in representing parts of a whole

- Copy shapes and shade half of each
- Identify shapes that show half
- Create their own shapes and shade half
- Write ½ as the fraction representing half

How do we write half as a fraction?

KLB Mathematical Activities Grade Three pg. 132
- Shape cut-outs
- Manila papers
- Scissors
- Colored pencils

- Observation - Practical tasks - Written exercises

Numbers

Fractions - Identifying ¼ as part of a whole

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

- Identify ¼ as part of a whole
- Use cut-outs to demonstrate a quarter
- Show interest in fractions

- In groups, fold rectangular cut-outs into four equal parts
- Shade one part and identify it as a quarter of the whole
- Observe various shapes divided into four equal parts
- Identify which shapes are shaded a quarter

How can we show a quarter of a whole?

KLB Mathematical Activities Grade Three pg. 132
- Rectangular and circular cut-outs
- Manila papers
- Scissors
- Colored pencils
KLB Mathematical Activities Grade Three pg. 133
- Shape cut-outs

- Observation - Practical tasks - Oral questions

Numbers

Fractions - Identifying ⅛ as part of a whole

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

- Identify ⅛ as part of a whole
- Use cut-outs to demonstrate an eighth
- Show interest in fractions

- In groups, fold rectangular cut-outs into eight equal parts
- Shade one part and identify it as an eighth of the whole
- Observe various shapes divided into eight equal parts
- Identify which shapes are shaded an eighth

How can we show an eighth of a whole?

KLB Mathematical Activities Grade Three pg. 134
- Rectangular and circular cut-outs
- Manila papers
- Scissors
- Colored pencils
KLB Mathematical Activities Grade Three pg. 136
- Shape cut-outs

- Observation - Practical tasks - Oral questions

Numbers

Fractions - Identifying fractions as part of a group (½, ¼, ⅛)

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

- Identify ½ as part of a group
- Divide groups of objects into two equal parts
- Show interest in fractions as part of a group

- Observe pictures of oranges put into 2 equal groups
- Identify that each group is half of the whole group
- Find half of various groups of objects
- Complete sentences like "A half of 4 apples is _"

How can we find half of a group of objects?

KLB Mathematical Activities Grade Three pg. 137
- Counters
- Real objects
- Pictures of grouped objects

- Observation - Practical tasks - Oral questions

Numbers

Fractions - Identifying fractions as part of a group (½, ¼, ⅛)

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

- Identify ¼ as part of a group
- Divide groups of objects into four equal parts
- Appreciate fractions as part of a group

- Use counters to get a quarter of a group
- Count 12 objects and divide them into four equal groups
- Identify that each group is a quarter of the whole
- Complete sentences like "A quarter of 12 objects is _"

How can we find a quarter of a group of objects?

KLB Mathematical Activities Grade Three pg. 140
- Counters
- Real objects
- Pictures of grouped objects
KLB Mathematical Activities Grade Three pg. 141

- Observation - Practical tasks - Oral questions

Numbers
Measurement

Fractions - Using fractions in daily activities
Length - Measuring length in metres

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

- Solve word problems involving fractions
- Apply fractions in real-life situations
- Value fractions in daily life

- Solve problems like "There are 6 oranges in a carton. Kogo picked half of the oranges. How many oranges did Kogo pick?"
- Identify situations where fractions are used
- Create their own word problems involving fractions
- Share their problems with peers

How are fractions used in our daily lives?

KLB Mathematical Activities Grade Three pg. 147
- Word problem cards
- Real-life objects
- Pictures
- KLB Mathematical Activities Grade Three pg. 149
- Metre sticks
- String
- Rulers
- Chalk board

- Observation - Oral questions - Written exercises

Measurement

Length - Adding length in metres
Length - Subtracting length in metres
Length - Estimating length up to 10 metres (1)
Length - Estimating length up to 10 metres (2)

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 - Applying length measurement in real-life situations
Mass - Measuring mass in kilograms
Mass - Adding mass in kilograms

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

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

- Learners record videos of classmates measuring length then play back the video and share experiences
- Learners in groups discuss real-life situations where length measurements are used
- Learners solve practical problems involving length measurements

How is length measurement useful in our daily lives?

- KLB Mathematical Activities Grade Three pg. 158
- Digital devices
- Metre sticks
- Charts
- KLB Mathematical Activities Grade Three pg. 159
- Beam balance
- Sand
- Soil
- 1kg standard weight
- KLB Mathematical Activities Grade Three pg. 161
- Classroom model shop items

- Observation - Oral questions - Practical activities

Measurement

Mass - Subtracting mass in kilograms
Mass - Estimating mass up to 5 kilograms (1)

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

- Subtract mass in kilograms
- Solve real-life problems involving subtraction of mass in kilograms
- Appreciate subtraction of mass in real life situations

- Learners in groups measure 6kgs of sand
- Learners remove 4kgs of sand and measure the remaining sand
- Learners work out the differences between the masses of items in the classroom model shop
- Learners solve word problems involving subtraction of mass

How do you find the difference between two masses?

- KLB Mathematical Activities Grade Three pg. 163
- Beam balance
- Sand
- Classroom model shop items
- KLB Mathematical Activities Grade Three pg. 166
- 5kg mass
- Various classroom objects

- Observation - Oral questions - Written exercises

Measurement

Mass - Estimating mass up to 5 kilograms (2)

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

- Improve accuracy in estimating mass up to 5 kilograms
- Compare estimated and actual mass
- Appreciate the importance of accurate estimation

- Learners in groups estimate the mass of various objects
- Learners measure the actual mass and record in a table
- Learners compare estimated and actual masses
- Learners discuss strategies for improving estimation accuracy

How can we improve our mass estimation skills?

- KLB Mathematical Activities Grade Three pg. 167
- Beam balance
- Various objects
- Sand
- Soil

- Observation - Oral questions - Written exercises

Measurement

Mass - Applying mass measurement in real-life situations
Capacity - Measuring capacity in litres (1)

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
- KLB Mathematical Activities Grade Three pg. 169
- One litre containers
- Locally available containers
- Water

- Observation - Oral questions - Written assignments

Measurement

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

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

- Measure capacity in litres
- Determine the capacity of different containers in litres
- Show interest in measuring capacity

- Learners in groups of three use a one litre container to measure the capacity of various containers (jug, jerrycan, sufuria, pot, basin, bucket)
- Learners record their results in a table
- Learners determine how many one-litre bottles fill each container

How can the capacity of a container be measured?

- KLB Mathematical Activities Grade Three pg. 170
- One litre containers
- Various containers (jug, jerrycan, sufuria, pot, basin, bucket)
- Water
- KLB Mathematical Activities Grade Three pg. 173
- Various containers

- Observation - Oral questions - Written exercises

Measurement

Capacity - Subtracting capacity in litres

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

- Observation - Oral questions - Written exercises

Measurement

Capacity - Estimating capacity up to 5 litres (1)
Capacity - Estimating capacity up to 5 litres (2)

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

- Compare capacity using a 5 litre container
- Identify containers that hold more than or less than 5 litres
- Show interest in comparing capacity

- Learners in groups work to show which containers hold more than or less than 5 litres
- Learners compare various containers like kettle, jug, basin, sufuria, jerrycan, and bucket with a 5 litre container
- Learners identify containers that hold more than or less than 5 litres

Which household containers hold more than 5 litres?

- KLB Mathematical Activities Grade Three pg. 176
- 5 litre container
- Various containers (kettle, jug, basin, sufuria, jerrycan, bucket)
- Water
- KLB Mathematical Activities Grade Three pg. 177
- Various containers
- One litre container

- Observation - Oral questions - Practical activities

Measurement

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

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

- Observation - Oral questions - Written assignments

Measurement

Capacity - Applying capacity measurement in real-life situations (2)
Time - Identifying minute as a unit of measuring time

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

- Apply capacity measurement in home situations
- Solve real-life capacity problems
- Value accuracy in measuring capacity

- Learners in groups discuss everyday situations where capacity measurement is used at home
- Learners role play buying and selling liquids measured in litres
- Learners solve word problems involving capacity in real-life contexts

How do we use capacity measurement at home and in shops?

- KLB Mathematical Activities Grade Three pg. 178
- One litre containers
- Various containers
- Charts
- Water
- KLB Mathematical Activities Grade Three pg. 179
- Clock faces
- Circular cut outs
- Digital clocks
- Charts showing clock face

- Observation - Oral questions - Role play assessment

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)
Time - Subtracting 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
- Charts showing subtraction of time

- Observation - Oral questions - Written exercises

Measurement

Time - Appreciating time in real-life situations
Money - Identifying Kenyan currency notes up to Sh.1000

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

- Apply time concepts in real-life situations
- Appreciate the importance of time management
- Value punctuality

- Learners discuss the importance of keeping time in real life situations
- Learners create daily schedules with specific times for different activities
- Learners role play scenarios showing the importance of punctuality
- Learners solve real-life problems involving time

Why is keeping time important in our daily lives?

- KLB Mathematical Activities Grade Three pg. 197
- Clock faces
- Digital clocks
- Charts showing daily schedules
- KLB Mathematical Activities Grade Three pg. 198
- Kenyan currency notes (real or imitations)
- Charts showing currency notes
- Manila paper

- Observation - Oral questions - Role play assessment

Measurement

Money - Counting money in different denominations up to Sh.1000

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

- Observation - Oral questions - Practical activities

Measurement

Money - Adding money in different denominations up to Sh.1000 (1)
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 up to a sh.1000
- Solve problems involving addition of money
- Value accuracy when adding money

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

How do we add money with both shillings and cents?

- KLB Mathematical Activities Grade Three pg. 201
- Kenyan currency (real or imitations)
- Charts showing addition of money
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 202
- Price lists

- Observation - Oral questions - Written exercises

Measurement

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

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

- Observation - Oral questions - Written exercises

Measurement

Money - Subtracting money in different denominations up to Sh.1000 (2)
Money - Representing the same amount in different denominations

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

- Subtract money in different denominations with regrouping
- Solve real-life problems involving subtraction of money
- Appreciate subtraction of money in daily activities

- Learners in groups practice subtracting money with regrouping
- Learners solve subtraction problems involving money in real-life situations
- Learners calculate change when buying items from a price list

How do we find change when buying items?

- KLB Mathematical Activities Grade Three pg. 204
- Kenyan currency (real or imitations)
- Price lists
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 208
- Charts showing equivalent denominations

- Observation - Oral questions - Written exercises

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