Numbers

Whole Numbers - Place value and total value of digits up to tens of thousands

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

- Use place value of digits up to tens of thousands in daily life situations.
- Show interest in using place value in solving day to day activities.

- In pairs/groups, learners identify place value of numbers up to tens of thousands using place value apparatus.
-Learners practice identifying total values of digits up to ten thousand.

What do you consider when writing numbers in words?

KLB Mathematics Grade 4 Learner's Book pg. 1
- Place value apparatus
- Number charts
- Number cards

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Total value of digits up to tens of thousands
Whole Numbers - Reading and writing numbers up to 10,000 in symbols
Whole Numbers - Reading and writing numbers up to 1,000 in words
Whole Numbers - Ordering numbers up to 1,000

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

- Identify total values of digits up to tens of thousands in daily life situations.
- Show interest in identifying total values of digits.

- In pairs, learners use place value charts to identify total values of digits up to ten thousand.
-Learners practice writing a 5-digit number and identifying the total value of each digit in the number.

Why do we determine the place value of a digit in a number?

KLB Mathematics Grade 4 Learner's Book pg. 5
- Place value apparatus
- Place value charts
- Number cards
KLB Mathematics Grade 4 Learner's Book pg. 6
- Number charts
- Abacus
KLB Mathematics Grade 4 Learner's Book pg. 9
- Flash cards
KLB Mathematics Grade 4 Learner's Book pg. 12
- Number cards
- Number line

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Rounding off numbers up to 1,000 to the nearest ten
Whole Numbers - Factors of numbers up to 50
Whole Numbers - Multiples of numbers up to 100
Whole Numbers - Multiples of numbers 6 to 10

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

- Round off numbers up to 1,000 to the nearest ten in different situations.
- Show interest in rounding off numbers.

- In pairs or groups or individually, learners round off numbers up to 1,000 to the nearest ten and share with others.
-Learners practice estimating and then measuring actual lengths of objects.

How do you round off numbers to the nearest ten?

KLB Mathematics Grade 4 Learner's Book pg. 13
- Number line
- Number cards
- Measuring tools
KLB Mathematics Grade 4 Learner's Book pg. 16
- Multiplication tables
- Counters
KLB Mathematics Grade 4 Learner's Book pg. 19
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 20

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Even and odd numbers up to 100

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

- Use even and odd numbers up to 100 in different situations.
- Develop interest in identifying even and odd numbers.

- In groups, learners identify even and odd numbers up to 100 and share with others.
-Learners practice arranging bottle tops in pairs to identify even and odd numbers.

How can you distinguish between even and odd numbers?

KLB Mathematics Grade 4 Learner's Book pg. 20
- Bottle tops
- Number cards
- Number charts

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Patterns involving even and odd numbers
Whole Numbers - Roman numerals up to X

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

- Make patterns involving even and odd numbers in real life situations.
- Appreciate patterns in mathematics.

- In pairs, learners use number cards to make patterns involving even and odd numbers.
-Learners practice creating and extending number patterns.

How do you make number patterns involving even and odd numbers?

KLB Mathematics Grade 4 Learner's Book pg. 21
- Number cards
- Number charts
- Digital devices
KLB Mathematics Grade 4 Learner's Book pg. 22
- Flash cards

- Observation - Oral questions - Written assignments

Numbers

Addition - Addition up to two 4-digit numbers with single regrouping
Addition - Addition of 4-digit to 2-digit numbers

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

- Add up to two 4-digit numbers with single regrouping up to a sum of 10,000 in different situations.
- Show interest in addition of numbers.

- In groups, learners add up to two 4-digit numbers with single regrouping up to a sum of 10,000 using number cards, charts or place value apparatus.
-Learners practice solving addition problems with single regrouping.

When do you use addition in real life?

KLB Mathematics Grade 4 Learner's Book pg. 23
- Number cards
- Place value charts
- Place value apparatus
KLB Mathematics Grade 4 Learner's Book pg. 25

- Observation - Oral questions - Written assignments

Numbers

Addition - Addition of 4-digit to 3-digit numbers
Addition - Addition up to two 4-digit numbers with double regrouping

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

- Add a 4-digit number to a 3-digit number with regrouping.
- Show interest in addition of numbers.

- In pairs, learners practice adding 4-digit numbers to 3-digit numbers using place value charts.
-Learners solve word problems involving addition of 4-digit and 3-digit numbers.

How do you regroup when adding numbers?

KLB Mathematics Grade 4 Learner's Book pg. 26
- Number cards
- Place value charts
- Place value apparatus
KLB Mathematics Grade 4 Learner's Book pg. 27

- Observation - Oral questions - Written assignments

Numbers

Addition - Estimating sum by rounding off numbers
Addition - Estimating sums of 3-digit and 4-digit numbers

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

- Estimate sum by rounding off numbers to the nearest ten in different situations.
- Appreciate estimating sums in daily life.

- In groups, learners discuss and estimate sum by rounding off numbers to the nearest ten in different situations.
-Learners practice estimating answers before calculating exact answers.

Why do we estimate sums in mathematics?

KLB Mathematics Grade 4 Learner's Book pg. 28
- Number charts
- Number cards
- Number line
KLB Mathematics Grade 4 Learner's Book pg. 29

- Observation - Oral questions - Written assignments

Numbers

Addition - Creating patterns involving addition
Addition - Solving word problems involving addition

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

- Create patterns involving addition up to a sum of 10,000 in real life situations.
- Appreciate application of addition of numbers in real life situations.

- In pairs, learners generate patterns involving addition of numbers up to a sum of 10,000.
-In pairs/groups, learners play digital games involving addition.

How do you make number patterns involving addition?

KLB Mathematics Grade 4 Learner's Book pg. 30
- Number cards
- Digital devices
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 32
- Place value charts
- Word problem cards

- Observation - Oral questions - Written assignments

Numbers

Subtraction - Subtraction up to 4-digit numbers without regrouping
Subtraction - Subtraction of a 2-digit number from a 4-digit number

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

- Subtract up to 4-digit numbers without regrouping in real life situations.
- Develop interest in subtraction of numbers.

- In groups, learners subtract numbers up to 4-digit numbers without regrouping using place value apparatus prepared from locally available materials.
-Learners practice solving subtraction problems.

When do you need to subtract without regrouping?

KLB Mathematics Grade 4 Learner's Book pg. 33
- Place value apparatus
- Number cards
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 34

- Observation - Oral questions - Written assignments

Numbers

Subtraction - Subtraction of a 3-digit number from a 4-digit number

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

- Subtract a 3-digit number from a 4-digit number without regrouping.
- Develop interest in subtraction of numbers.

- In groups, learners practice subtracting 3-digit numbers from 4-digit numbers without regrouping.
-Learners solve word problems involving subtraction.

When do we use subtraction in real life?

KLB Mathematics Grade 4 Learner's Book pg. 35
- Place value apparatus
- Number cards
- Number charts

- Observation - Oral questions - Written assignments

Numbers

Subtraction - Subtraction up to 4-digit numbers with regrouping
Subtraction - Subtraction with double regrouping

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

- Subtract up to 4-digit numbers with regrouping in real life situations.
- Show interest in subtraction of numbers.

- In pairs, learners subtract up to 4-digit numbers with regrouping using number cards.
-Learners practice solving subtraction problems with regrouping.

How do you subtract numbers with regrouping?

KLB Mathematics Grade 4 Learner's Book pg. 35
- Place value apparatus
- Number cards
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 36

- Observation - Oral questions - Written assignments

Numbers

Subtraction - Estimating difference by rounding off numbers
Subtraction - Estimating differences between 3-digit and 4-digit numbers

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

- Estimate difference by rounding off numbers to the nearest ten in different contexts.
- Appreciate estimating differences in daily life.

- In groups, learners approximate and work out difference by rounding off the numbers to the nearest ten in real life situations.
-Learners practice estimating answers before calculating exact answers.

How do you estimate the difference of given numbers?

KLB Mathematics Grade 4 Learner's Book pg. 38
- Number line
- Number charts
- Number cards
KLB Mathematics Grade 4 Learner's Book pg. 39

- Observation - Oral questions - Written assignments

Numbers

Subtraction - Creating patterns involving subtraction
Multiplication - Multiplication of up to 2-digit number by multiples of 10

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

- Create patterns involving subtraction from up to 10,000.
- Appreciate application of subtraction of numbers in real life situations.

- In groups, learners generate patterns involving subtraction of numbers up to 10,000.
-In pairs or groups, learners play games involving subtraction using digital device or other resources.

How do you create patterns involving subtraction?

KLB Mathematics Grade 4 Learner's Book pg. 40
- Number cards
- Digital devices
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 43
- Multiplication tables
- Digital devices

- Observation - Oral questions - Written assignments

Numbers

Multiplication - Multiplication of 1-digit number by multiples of 10
Multiplication - Multiplication of 2-digit by 1-digit without regrouping

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

- Multiply a 1-digit number by multiples of 10.
- Show interest in multiplication of numbers.

- In pairs, learners multiply 1-digit numbers by multiples of 10 using number cards.
-Learners solve word problems involving multiplication by multiples of 10.

How can we multiply numbers by multiples of 10?

KLB Mathematics Grade 4 Learner's Book pg. 44
- Number cards
- Multiplication tables
- Digital devices
KLB Mathematics Grade 4 Learner's Book pg. 45
- Counters
- Multiplication tables

- Observation - Oral questions - Written assignments

Numbers

Multiplication - Multiplication of 2-digit by 1-digit with regrouping
Multiplication - Multiplication of 2-digit by 2-digit without regrouping

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

- Multiply a 2-digit number by a 1-digit number with regrouping.
- Show interest in multiplication.

- In groups, learners practice multiplying 2-digit numbers by 1-digit numbers with regrouping.
-Learners solve word problems involving multiplication.

Why do we regroup in multiplication?

KLB Mathematics Grade 4 Learner's Book pg. 46
- Number cards
- Counters
- Multiplication tables
KLB Mathematics Grade 4 Learner's Book pg. 45
- Multiplication tables
- Multiplication charts

- Observation - Oral questions - Written assignments

Numbers

Multiplication - Multiplication of 2-digit by 2-digit with regrouping
Multiplication - Estimating products by rounding off numbers

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

- Multiply up to a two-digit number by two-digit number with regrouping.
- Develop interest in multiplication of numbers.

- In pairs or groups, learners multiply up to a two-digit number by two-digit number with regrouping and prepare a corresponding multiplication chart.
-Learners practice solving multiplication problems.

Why do we regroup when multiplying numbers?

KLB Mathematics Grade 4 Learner's Book pg. 47
- Counters
- Multiplication tables
- Multiplication charts
KLB Mathematics Grade 4 Learner's Book pg. 48
- Number line
- Number charts
- Number cards

- Observation - Oral questions - Written assignments

Numbers

Multiplication - Creating patterns involving multiplication

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

- Create patterns involving multiplication with product not exceeding 100.
- Appreciate application of multiplication of numbers in real life situation.

- In groups, learners generate patterns involving multiplication with products not exceeding 100 and prepare multiplication charts using locally available materials.
-In groups, learners play digital games on multiplication.

How do you create patterns involving multiplication?

KLB Mathematics Grade 4 Learner's Book pg. 50
- Multiplication charts
- Digital devices
- Number cards

- Observation - Oral questions - Written assignments

Numbers

Division - Division of 2-digit by 1-digit without remainder
Division - Division as equal sharing

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

- Divide up to a two-digit number by a one-digit number without remainder.
- Show interest in division of numbers.

- In pairs and groups, learners discuss and carry out division of up to a two-digit number by a one-digit number without remainder using number cards.
-Learners practice solving division problems.

When do you use division in real life?

KLB Mathematics Grade 4 Learner's Book pg. 52
- Number cards
- Division charts
- Counters
KLB Mathematics Grade 4 Learner's Book pg. 53
- Counters
- Bottle tops
- Number cards

- Observation - Oral questions - Written assignments

Numbers

Division - Division as equal grouping
Division - Division of 2-digit by 1-digit with remainder

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

- Divide objects into equal groups.
- Show interest in division as equal grouping.

- In groups, learners arrange objects into equal groups.
-Learners practice forming equal groups and recording the results.

How is division related to equal grouping?

KLB Mathematics Grade 4 Learner's Book pg. 54
- Counters
- Bottle tops
- Number cards
- Number cards
- Division charts
- Counters

- Observation - Oral questions - Written assignments

Numbers

Division - Using long form of division
Division - Relationship between multiplication and division

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

- Use long form of division to divide numbers.
- Appreciate different methods of division.

- In groups, learners practice using the long form of division.
-Learners solve division problems using the long form.

Why do we use the long form of division?

KLB Mathematics Grade 4 Learner's Book pg. 56
- Number cards
- Division charts
- Counters
KLB Mathematics Grade 4 Learner's Book pg. 57
- Multiplication tables
- Number cards

- Observation - Oral questions - Written assignments

Numbers

Division - Solving word problems involving division
Division - Using digital resources for division

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

- Solve word problems involving division.
- Show interest in application of division.

- In groups, learners discuss and solve word problems involving division.
-Learners create their own word problems involving division.

How can we apply division to solve real life problems?

KLB Mathematics Grade 4 Learner's Book pg. 59
- Number cards
- Division charts
- Word problem cards
KLB Mathematics Grade 4 Learner's Book pg. 60
- Digital devices
- Calculator
- Educational apps

- Observation - Oral questions - Written assignments

Measurement

Length - Centimetre as a unit of measuring length
Length - Measuring length in centimetres
Length - Estimating and measuring length in centimetres
Length - Relationship between metres and centimetres

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

- Identify the centimetre as a unit of measuring length in real life situations.
- Show interest in using centimetre as a unit of measurement.

- In groups, learners identify the centimetre and mark out lengths of one centimetre using a ruler.
-Learners identify items whose lengths can be measured in centimetres.

How can you measure distance?

KLB Mathematics Grade 4 Learner's Book pg. 91
- Metre ruler
- Tape measure
- Objects for measurement
KLB Mathematics Grade 4 Learner's Book pg. 92
- Various classroom objects
KLB Mathematics Grade 4 Learner's Book pg. 94
- Various objects
KLB Mathematics Grade 4 Learner's Book pg. 95
- String
- Measuring tape

- Observation - Oral questions - Written assignments

Measurement

Length - Converting metres to centimetres
Length - Converting centimetres to metres
Length - Perimeter of plane figures
Length - Addition involving length in metres and centimetres

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

- Convert metres to centimetres in real life situation.
- Appreciate conversion of units in daily life.

- In groups, learners use the relationship between centimetres and metres to convert from metres to centimetres.
-Learners practice converting measurements from metres to centimetres.

Why do we need to convert between units of measurement?

KLB Mathematics Grade 4 Learner's Book pg. 96
- Metre ruler
- Conversion tables
- Measuring tape
KLB Mathematics Grade 4 Learner's Book pg. 97
KLB Mathematics Grade 4 Learner's Book pg. 98
- Ruler
- Shape cutouts
KLB Mathematics Grade 4 Learner's Book pg. 99
- Tape measure
- Number cards
- Place value chart

- Observation - Oral questions - Written assignments

Measurement

Length - Subtraction involving length in metres and centimetres
Length - Multiplication involving metres and centimetres

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

- Work out subtraction involving length in metres and centimetres in real life situations.
- Appreciate subtraction of length measurements.

- In groups, learners calculate subtraction involving metres and centimetres.
-Learners practice solving real-life problems involving subtraction of length measurements.

When do you need to subtract lengths in real life?

KLB Mathematics Grade 4 Learner's Book pg. 102
- Metre ruler
- Tape measure
- Number cards
- Place value chart
KLB Mathematics Grade 4 Learner's Book pg. 104

- Observation - Oral questions - Written assignments

Measurement

Length - Division involving metres and centimetres
Area - Comparing area of surfaces by direct manipulation

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

- Carryout division involving metres and centimetres in real life situations.
- Appreciate division of length measurements.

- In pairs, learners work out division involving metres and centimetres.
-Learners practice solving real-life problems involving division of length measurements.

How can division help us with length measurements?

KLB Mathematics Grade 4 Learner's Book pg. 105
- Metre ruler
- Tape measure
- Number cards
- Place value chart
KLB Mathematics Grade 4 Learner's Book pg. 106
- Paper cutouts
- Different shapes
- Objects with flat surfaces

- Observation - Oral questions - Written assignments

Measurement

Area - Calculating area by counting unit squares
Area - Area of a square by counting unit squares

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

- Calculate area of squares and rectangles by counting unit squares.
- Develop interest in calculating area.

- In pairs, learners use different unit square cut outs to cover a given surface.
-In groups, learners count the number of unit square cut outs prepared from locally available materials to cover the surface.

What is a unit square and how is it used?

KLB Mathematics Grade 4 Learner's Book pg. 108
- Unit square cutouts
- Grid paper
- Locally available materials
KLB Mathematics Grade 4 Learner's Book pg. 109
- Square shapes
- Grid paper

- Observation - Oral questions - Written assignments

Measurement

Area - Area of a rectangle by counting unit squares
Area - Area of squares as product of rows and columns

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

- Calculate area of rectangles by counting unit squares.
- Appreciate calculating area in real life.

- In groups, learners use unit square cutouts to cover rectangular surfaces.
-Learners practice counting unit squares to find area of rectangles.

How do you find the area of a rectangle?

KLB Mathematics Grade 4 Learner's Book pg. 110
- Unit square cutouts
- Rectangular shapes
- Grid paper
KLB Mathematics Grade 4 Learner's Book pg. 112
- Grid paper
- Square shapes
- Unit square cutouts

- Observation - Oral questions - Written assignments

Measurement

Area - Area of rectangles as product of rows and columns

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

- Calculate area of rectangles as a product of number of rows and columns.
- Appreciate use of rows and columns in calculating area.

- In pairs, learners establish area of a rectangle is same as number of rows multiplied by number of columns.
-Work out area of squares and rectangles by multiplying number of rows by number of columns, such as in tiled or paved floors.

How can we calculate area using rows and columns?

KLB Mathematics Grade 4 Learner's Book pg. 113
- Grid paper
- Rectangular shapes
- Unit square cutouts

- Observation - Oral questions - Written assignments

Measurement

Area - Finding area of squares and rectangles
Volume - Piling objects into stacks of cubes

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

- Calculate area of squares and rectangles using different methods.
- Appreciate use of rows and columns in calculating area of squares and rectangles in real life situations.

- In groups, learners calculate area of various squares and rectangles using rows and columns.
-In pairs, learners play games involving area of rectangles and squares using digital devices and other resources.

How can we find the area of shapes in real life?

KLB Mathematics Grade 4 Learner's Book pg. 115
- Grid paper
- Digital devices
- Square and rectangular shapes
KLB Mathematics Grade 4 Learner's Book pg. 118
- Cubes
- Cuboids
- Building blocks

- Observation - Oral questions - Written assignments

Measurement

Volume - Piling objects into stacks of cuboids
Volume - Working out volume of cuboids by piling blocks

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

- Pile objects into stacks of cuboids in real life situations.
- Appreciate piling objects in real life.

- In groups, learners arrange and pile objects to form cuboids of different sizes.
-Learners use matchboxes to build different stacks of cuboids.

How can we use stacking to understand volume?

KLB Mathematics Grade 4 Learner's Book pg. 119
- Matchboxes
- Building blocks
- Cuboid shapes
KLB Mathematics Grade 4 Learner's Book pg. 120
- Unit cubes
- Matchboxes

- Observation - Oral questions - Written assignments

Measurement

Volume - Working out volume of cubes by piling blocks
Volume - Volume of cubes and cuboids

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

- Calculate the volume of cubes by piling blocks to form a cube.
- Appreciate volume of cubes in real life.

- In groups, learners count the number of objects in the pile that makes a cube to determine the volume.
-Learners practice calculating volume of different cubes by counting blocks.

How do you find the volume of a cube?

KLB Mathematics Grade 4 Learner's Book pg. 121
- Unit cubes
- Building blocks
- Matchboxes
KLB Mathematics Grade 4 Learner's Book pg. 123
- Digital devices
- Building blocks

- Observation - Oral questions - Written assignments

Measurement

Capacity - Measuring capacity in litres
Capacity - Making litre containers

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

- Measure capacity in litres in real life situations.
- Show interest in measuring capacity.

- In groups, learners measure capacity of containers using a one litre container in real life situations.
-Learners practice measuring capacity of different containers in litres.

How can you measure capacity using arbitrary units?

KLB Mathematics Grade 4 Learner's Book pg. 125
- 1 litre container
- Various containers
- Water
KLB Mathematics Grade 4 Learner's Book pg. 126
- Locally available materials
- Water or sand

- Observation - Oral questions - Written assignments

Measurement

Capacity - Measuring capacity in ½ litres
Capacity - Measuring capacity in ¼ litres

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

- Measure capacity in ½ litres in real life situations.
- Show interest in measuring capacity in ½ litres.

- In pairs, learners make ½ litre containers from locally available materials through filling and emptying the container with substances such as water or sand using a 1 litre container.
-In groups, learners use ½ litre containers to measure capacity of other containers.

When would you measure capacity in ½ litres?

KLB Mathematics Grade 4 Learner's Book pg. 127
- 1 litre container
- ½ litre container
- Various containers
- Water or sand
KLB Mathematics Grade 4 Learner's Book pg. 128
- ¼ litre container

- Observation - Oral questions - Written assignments

Measurement

Capacity - Addition of capacity in litres
Capacity - Subtraction of capacity in litres
Capacity - Using digital devices for capacity

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

- Work out addition of capacity in litres in real life situations.
- Show interest in addition of capacity.

- In groups, learners add capacity involving litres in real life situations.
-Learners practice solving problems involving addition of capacity.

When do we need to add capacity measurements in real life?

KLB Mathematics Grade 4 Learner's Book pg. 128
- Containers of known capacity
- Number cards
- Place value charts
KLB Mathematics Grade 4 Learner's Book pg. 130
KLB Mathematics Grade 4 Learner's Book pg. 131
- Digital devices
- Digital games
- Educational apps

- Observation - Oral questions - Written assignments