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 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
KLB Mathematical Activities Grade Three pg. 3
- Cards of different sizes
- Pictures of objects of different sizes

- Observation - Oral questions - Written exercises

Numbers

Number Concept - Identifying position of objects from 1st to 20th
Number Concept - Writing positions in number symbols and words
Number Concept - Writing positions in number symbols and words

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

- Identify positions of objects from 1st to 5th
- Write positions in number symbols (1st to 5th)
- Show interest in learning about positions

- Study pictures showing positions of people in a queue
- Identify who is in first, second, third, fourth, and fifth positions
- Discuss how to write positions in symbols (1st, 2nd, 3rd, 4th, 5th)
- Record and discuss positions of 5 learners running a race

What is the position of each person in a line?

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
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

- 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:

- Apply ordinal numbers in sequencing events
- Use ordinal numbers to describe positions
- Appreciate the use of ordinal numbers in daily life

- Discuss the order of events in a day (e.g., Juma's daily routine)
- Identify the position (e.g., fifth event, ninth event) of specific activities
- Describe the order of months in a year using ordinal numbers
- Complete tables showing the position of each month

What is the position of different events in our daily routine?

KLB Mathematical Activities Grade Three pg. 8
- Charts showing daily routines
- Calendar showing months of the year
- 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

- 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
Whole Numbers - Place value of numbers up to hundreds

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

- 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
- Abacus
- Place value charts
- Base ten blocks

- 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 hundreds
- Represent 3-digit numbers on an abacus
- Appreciate the importance of place value

- Identify how many ones, tens, and hundreds are shown on an abacus
- Represent 3-digit numbers on an abacus
- Complete sentences like "248 is _ hundreds _ tens _ ones"
- Write numbers represented on an abacus

How can we identify the place value of each digit in a 3-digit number?

KLB Mathematical Activities Grade Three pg. 26
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 30

- 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

- 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

- 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
KLB Mathematical Activities Grade Three pg. 36

- 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

- 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

- 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
KLB Mathematical Activities Grade Three pg. 39

- 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 number patterns with specific rules
- Identify the rule in number patterns
- Enjoy creating and solving number patterns

- Create patterns starting from given numbers with specific rules
- Create patterns like "Starting from 5, add 3" to get 5, 8, 11, 14, 17
- Identify rules in given patterns (e.g., add 5, add 10, etc.)
- Share patterns with classmates and solve each other's patterns

How do we create our own number patterns?

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

- 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
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:

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

- 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
KLB Mathematical Activities Grade Three pg. 46
- Abacus
- Place value charts
- Base ten blocks

- 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 horizontally
- Apply addition in solving problems
- Appreciate addition in daily life

- Practice horizontal addition: 147 + 21 = 168
- Draw place value charts to demonstrate addition
- Solve word problems like "Kantai had 123 goats. He bought 74 more. How many goats did he have altogether?"
- Share solution strategies with peers

How do we solve addition problems horizontally?

KLB Mathematical Activities Grade Three pg. 48
- Place value charts
- Number cards
- Word problem cards
KLB Mathematical Activities Grade Three pg. 43
- Abacus
- 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

- 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
Addition - Adding two 3-digit numbers without 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

- 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
KLB Mathematical Activities Grade Three pg. 59

- 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 horizontally
- Apply addition in solving problems
- Value addition in everyday life

- Practice horizontal addition: 506 + 123 = 629
- Add ones, tens, and hundreds separately
- Solve word problems involving addition of two 3-digit numbers
- Create their own word problems for peers to solve

How can we add two 3-digit numbers horizontally?

KLB Mathematical Activities Grade Three pg. 60
- Place value charts
- Number cards
- Word problem 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

- 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

- 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
KLB Mathematical Activities Grade Three pg. 63
- Base ten blocks

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers with single regrouping
Addition - Creating number patterns involving addition up to 1000

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

- Add horizontally with regrouping from tens to hundreds
- Apply addition in solving problems
- Appreciate addition in daily life

- Practice horizontal addition: 581 + 294 = 875
- Add ones: 1 + 4 = 5
- Add tens with regrouping: 8 + 9 = 17
- Add hundreds including the regrouped hundred
- Solve word problems involving such addition

How can we add horizontally when regrouping from tens to hundreds is needed?

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

- 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
KLB Mathematical Activities Grade Three pg. 68

- 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 number patterns with addition rules
- Apply specific rules to create patterns
- Show creativity in making patterns

- Create patterns with specific rules, e.g., "Starting from 5, add 3" to get 5, 8, 11, 14, 17
- Create patterns starting from different numbers with various rules
- Exchange patterns with peers and identify the rules
- Design pattern puzzles for classmates to solve

How do we create our own addition patterns with specific rules?

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

- 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

Addition - Practicing addition using digital devices or other resources
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:

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

- 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. 76
- Abacus
- Place value charts
- Base ten blocks

- Observation - Peer assessment - Performance tasks

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 2-digit number from a 3-digit number without regrouping
- Use place value charts for subtraction
- Show enthusiasm in subtraction

- Demonstrate subtraction on an abacus: 678 - 43 = 635
- Subtract ones first, then tens
- Practice similar subtraction problems
- Solve word problems involving such subtraction

How do we subtract a 2-digit number from a 3-digit number?

KLB Mathematical Activities Grade Three pg. 78
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 79
- Number cards
- Word problem cards

- 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 with regrouping from tens to ones
- Use an abacus for subtraction with regrouping
- Show enthusiasm in learning subtraction

- Work in groups to subtract 764 - 9 using an abacus
- Recognize that 9 cannot be directly subtracted from 4
- Take one ring from tens spike and convert to 10 rings in ones spike
- Subtract 9 from 14 to get 5
- Practice similar subtraction problems

How do we regroup when subtracting a single-digit number?

KLB Mathematical Activities Grade Three pg. 83
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 86
KLB Mathematical Activities Grade Three pg. 89

- 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 a 3-digit number from a 3-digit number without regrouping
- Use an abacus for subtraction
- Show interest in subtraction

- Work in groups to subtract 375 - 124 using an abacus
- Take away 4 rings from ones spike, 2 rings from tens spike, and 1 ring from hundreds spike
- Practice similar subtraction problems
- Solve word problems involving such subtraction

How do we subtract one 3-digit number from another?

KLB Mathematical Activities Grade Three pg. 80
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 92

- 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
- Real-life scenarios

- 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:

- Find missing numbers in subtraction patterns
- Identify the rule in subtraction patterns
- Appreciate patterns in mathematics

- Complete patterns like: 90, 85, 80, _, _, _
- Identify the rule (subtract 5) and fill in: 75, 70, 65
- Work with various patterns with different rules
- Create their own subtraction patterns

How do we identify and complete subtraction patterns?

KLB Mathematical Activities Grade Three pg. 98
- Number charts
- Number cards
- Worksheets
KLB Mathematical Activities Grade Three pg. 99

- 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
KLB Mathematical Activities Grade Three pg. 106
- Base ten blocks
- Number cards

- 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 a single digit number by a single digit number
- Use repeated addition for multiplication
- Show enthusiasm for multiplication

- Use repeated addition to find products: 6 × 6 = 6 + 6 + 6 + 6 + 6 + 6 = 36
- Fill in gaps: 5 + 5 + 5 = _ × 5 = 15
- Create multiplication expressions for given repeated addition
- Solve simple multiplication problems

How do we find the product of two single-digit numbers?

KLB Mathematical Activities Grade Three pg. 107
- Counters
- Number cards
- Multiplication tables
KLB Mathematical Activities Grade Three pg. 108
- Multiplication tables
- 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
- Real-life scenarios
- Role-play materials
- Word problem 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:

- Represent division as repeated subtraction
- Use counters to model division
- Show interest in learning division

- Use counters to divide objects into equal groups
- Represent division as repeated subtraction: 20 ÷ 5 means subtract 5 from 20 repeatedly until 0 remains
- Count how many times 5 is subtracted
- Practice similar exercises with counters

How can we represent division as repeated subtraction?

KLB Mathematical Activities Grade Three pg. 118
- Counters
- Picture cards
- Number cards
KLB Mathematical Activities Grade Three pg. 121
- Number cards
- Worksheets

- Observation - Practical tasks - Oral questions

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
KLB Mathematical Activities Grade Three pg. 128
- Real-life scenarios
- Role-play materials
- Word problem cards

- 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:

- Identify ½ as part of a whole
- Use cut-outs to demonstrate half
- Show interest in fractions

- In groups, take rectangular cut-outs and fold them into two equal parts
- Shade one of the parts and identify it as half of the whole
- Observe various shapes divided into two equal parts
- Identify which shapes are shaded half

How can we show half of a whole?

KLB Mathematical Activities Grade Three pg. 129
- Rectangular and circular cut-outs
- Manila papers
- Scissors
- Colored pencils
KLB Mathematical Activities Grade Three pg. 132
- Shape cut-outs

- Observation - Practical tasks - Oral questions

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
KLB Mathematical Activities Grade Three pg. 140

- Observation - Practical tasks - Oral questions

Numbers

Fractions - Identifying fractions as part of a group (½, ¼, ⅛)
Fractions - Using fractions in daily activities

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

- Identify ⅛ as part of a group
- Divide groups of objects into eight equal parts
- Show interest in fractions as part of a group

- Use counters to get an eighth of a group
- Count 16 objects and divide them into eight equal groups
- Identify that each group is an eighth of the whole
- Complete sentences like "An eighth of 16 objects is _"

How can we find an eighth of a group of objects?

KLB Mathematical Activities Grade Three pg. 141
- Counters
- Real objects
- Pictures of grouped objects
KLB Mathematical Activities Grade Three pg. 147
- Word problem cards
- Real-life objects
- Pictures

- Observation - Practical tasks - Oral questions

Measurement

Length - Measuring length in metres
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:

- Measure length in metres
- Identify items that can be measured in metres
- Appreciate measuring length in metres in real life situations

- Learners in pairs/groups use metre sticks to measure various distances and record their results
- Learners prepare 5 metres long strings with knots at intervals of one metre to measure long distances
- Learners in groups measure the lengths of the 4 walls in their classroom and record their findings
- Learners identify items that can be measured in metres

How can the length of a chalkboard be measured using a metre stick?

- KLB Mathematical Activities Grade Three pg. 149
- Metre sticks
- String
- Rulers
- Chalk board
- KLB Mathematical Activities Grade Three pg. 153
- Manila paper
- Charts
- KLB Mathematical Activities Grade Three pg. 154
- Measuring tape
- School map
- KLB Mathematical Activities Grade Three pg. 157
- 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
Mass - Adding 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
- KLB Mathematical Activities Grade Three pg. 161
- Classroom model shop items

- Observation - Oral questions - Written exercises

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)
Mass - Applying mass measurement in real-life situations

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
- KLB Mathematical Activities Grade Three pg. 168
- Digital devices

- Observation - Oral questions - Written exercises