Measurement

Length - Centimetre as a unit of measuring length

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

- Observation - Oral questions - Written assignments

Measurement

Length - Measuring length in centimetres
Length - Estimating and measuring length in centimetres

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

- Measure length in centimetres in real life situations.
- Develop interest in measuring length in centimetres.

- In pairs, learners measure the length of a given object in centimetres using a metre ruler or a tape measure.
-Learners practice measuring various objects in the classroom.

Why do we measure distance in real life?

KLB Mathematics Grade 4 Learner's Book pg. 92
- Metre ruler
- Tape measure
- Various classroom objects
KLB Mathematics Grade 4 Learner's Book pg. 94
- Various objects

- Observation - Oral questions - Written assignments

Measurement

Length - Relationship between metres and centimetres
Length - Converting metres to centimetres
Length - Converting centimetres to metres

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

- Establish the relationship between metres and centimetres practically.
- Show interest in the relationship between units of length.

- In groups, learners measure length of objects in classrooms in metres and centimetres and establish the relationship between the units.
-Learners practice comparing measurements in different units.

How are metres and centimetres related?

KLB Mathematics Grade 4 Learner's Book pg. 95
- Metre ruler
- Tape measure
- String
- Measuring tape
KLB Mathematics Grade 4 Learner's Book pg. 96
- Conversion tables
KLB Mathematics Grade 4 Learner's Book pg. 97

- Observation - Oral questions - Written assignments

Measurement

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:

- Work out perimeter of plane figures in different contexts.
- Appreciate use of perimeter in real life situations.

- In groups, learners calculate perimeter of plane figures.
-Learners measure and calculate perimeter of various objects in the classroom.

How do you find the perimeter of different shapes?

KLB Mathematics Grade 4 Learner's Book pg. 98
- Ruler
- Shape cutouts
- Measuring tape
KLB Mathematics Grade 4 Learner's Book pg. 99
- Metre ruler
- 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

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

- Observation - Oral questions - Written assignments

Measurement

Area - Comparing area of surfaces by direct manipulation

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

- Compare the area of given surfaces by direct manipulation.
- Show interest in comparing areas of surfaces.

- In groups, learners compare area of two surfaces directly by placing one surface on the other.
-Learners practice comparing areas of different surfaces by direct manipulation.

How do you work out area of different surfaces?

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

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

- Observation - Oral questions - Written assignments

Measurement

Area - Area of a square by counting unit squares
Area - Area of a rectangle by counting unit squares

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

- Calculate area of squares by counting unit squares.
- Show interest in calculating area of squares.

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

How do you find the area of a square?

KLB Mathematics Grade 4 Learner's Book pg. 109
- Unit square cutouts
- Square shapes
- Grid paper
KLB Mathematics Grade 4 Learner's Book pg. 110
- Rectangular shapes

- Observation - Oral questions - Written assignments

Measurement

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 squares as a product of number of rows and columns.
- Show interest in calculating area of squares.

- In pairs, learners establish area of a square is same as number of rows multiplied by number of columns.
-Learners practice calculating area of squares using rows and columns.

How is multiplying rows by columns related to area?

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

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

- Observation - Oral questions - Written assignments

Measurement

Volume - Piling objects into stacks of cubes
Volume - Piling objects into stacks of cuboids

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

- Pile objects into stacks of cubes in real life situations.
- Show interest in piling objects.

- In groups, learners discuss and carefully arrange blocks or objects on top of each other into cuboid and cube shape.
-Learners practice stacking objects or blocks to form cubes and cuboids of different sizes.

Where do we apply the volume of cubes and cuboids in real life situations?

KLB Mathematics Grade 4 Learner's Book pg. 118
- Cubes
- Cuboids
- Building blocks
KLB Mathematics Grade 4 Learner's Book pg. 119
- Matchboxes
- Building blocks
- Cuboid shapes

- Observation - Oral questions - Written assignments

Measurement

Volume - Working out volume of cuboids by piling blocks

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

- Work out volume of cuboids by piling blocks to form a cuboid.
- Show interest in volume of cuboids.

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

How do you find the volume of a cuboid?

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

- Observation - Oral questions - Written assignments

Measurement

Volume - Working out volume of cubes by piling blocks

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

- Observation - Oral questions - Written assignments

Measurement

Volume - Volume of cubes and cuboids

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

- Calculate volume of cubes and cuboids.
- Appreciate use of pilling method in working out volume in real life.

- In pairs, learners use digital devices or other resources to safely play games involving stacking blocks to form cubes and cuboids.
-Learners practice calculating volume of different cubes and cuboids.

How do we calculate volume in real life situations?

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

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

- Observation - Oral questions - Written assignments

Measurement

Capacity - Measuring capacity in ¼ litres

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

- Measure capacity in ¼ litres in real life situations.
- Appreciate measuring capacity in ¼ litres.

- Learners make ¼ litre containers through filling and emptying using a 1 litre container.
-In groups, learners use ¼ litre containers to measure capacity of other containers.

How are ¼ litres related to litres?

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

- Observation - Oral questions - Written assignments

Measurement

Capacity - Addition of capacity in litres

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

- Observation - Oral questions - Written assignments

Measurement

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 subtraction of capacity in litres in real life situations.
- Appreciate subtraction of capacity.

- Subtract capacity involving litres in real life situations.
-Learners practice solving problems involving subtraction of capacity.

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

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

- Observation - Oral questions - Written assignments

Measurement

Mass - Using a kilogram mass to measure mass of objects

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

- Use a kilogram mass to measure masses of different objects practically.
- Show interest in measuring mass in kilograms.

- In groups, learners use one kilogram masses to measure masses of given objects using a beam balance.
-Learners practice measuring mass of different objects in kilograms.

How do we measure mass in kilograms?

KLB Mathematics Grade 4 Learner's Book pg. 132
- 1 kg mass
- Beam balance
- Various objects

- Observation - Oral questions - Written assignments

Measurement

Mass - Using ½ kg masses to measure mass of objects

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

- Use ½ kg masses to measure masses of different objects practically.
- Appreciate measuring mass using different units.

- In pairs, learners make a ½ kg mass and use it to measure mass of given objects using a beam balance.
-Learners practice measuring mass of different objects using ½ kg masses.

When would you measure mass in ½ kg?

KLB Mathematics Grade 4 Learner's Book pg. 133
- ½ kg mass
- Beam balance
- Various objects
- Sand or soil

- Observation - Oral questions - Written assignments

Measurement

Mass - Using ¼ kg masses to measure mass of objects

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

- Use ¼ kg masses to measure masses of different objects practically.
- Show interest in measuring mass using ¼ kg masses.

- In groups, learners make a ¼ kg mass and use it to measure mass of given objects using a beam balance and an electronic balance.
-Learners practice measuring mass of different objects using ¼ kg masses.

How are ¼ kg masses related to kg masses?

KLB Mathematics Grade 4 Learner's Book pg. 134
- ¼ kg mass
- Beam balance
- Electronic balance
- Various objects
- Sand or soil

- Observation - Oral questions - Written assignments

Measurement

Mass - Mass in kilogram and ½ kilogram
Mass - Addition of mass in kilograms

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

- Relate kilograms to ½ kg and ¼ kg.
- Appreciate relationship between units of mass.

- Learners practice converting between kilograms, ½ kg, and ¼ kg.
-Learners solve problems involving conversion between units of mass.

How are different units of mass related?

KLB Mathematics Grade 4 Learner's Book pg. 135
- 1 kg mass
- ½ kg mass
- ¼ kg mass
- Beam balance
KLB Mathematics Grade 4 Learner's Book pg. 136
- Beam balance
- Number cards
- Place value charts

- Observation - Oral questions - Written assignments

Measurement

Mass - Subtraction of mass in kilograms

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

- Subtract mass involving kilograms in real life situations.
- Appreciate subtraction of mass measurements.

- In groups, learners subtract mass involving kilograms (kg).
-Learners practice solving problems involving subtraction of mass.

When do we need to subtract mass measurements in real life?

KLB Mathematics Grade 4 Learner's Book pg. 137
- Beam balance
- Number cards
- Place value charts

- Observation - Oral questions - Written assignments

Measurement

Time - Reading and telling time in a.m. and p.m.

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

- Read and tell time in a.m. and p.m. in real life situations.
- Show interest in reading and telling time.

- In pairs, learners read and tell time in a.m. and p.m. using digital and analogue clocks.
-Learners practice identifying different times of the day.

How do we differentiate between a.m. and p.m.?

KLB Mathematics Grade 4 Learner's Book pg. 138
- Analogue clocks
- Digital clocks
- Time charts

- Observation - Oral questions - Written assignments

Measurement

Time - Estimating time using a.m. and p.m.

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

- Estimate time using a.m. and p.m. in real life situations.
- Appreciate estimating time.

- In groups, learners estimate time of the day using the shadow of a building or a tree that is in a convenient location.
-Learners practice estimating time based on different clues.

How do you estimate time?

KLB Mathematics Grade 4 Learner's Book pg. 139
- Analogue clocks
- Digital clocks
- Objects that cast shadows

- Observation - Oral questions - Written assignments

Measurement

Time - Converting hours to minutes
Time - Converting minutes to hours

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

- Convert hours to minutes in real life situations.
- Show interest in conversion of units of time.

- In groups, learners change hours to minutes in real life situations.
-Learners practice converting from hours to minutes.

Why do we need to convert between units of time?

KLB Mathematics Grade 4 Learner's Book pg. 141
- Analogue clocks
- Digital clocks
- Time conversion charts
KLB Mathematics Grade 4 Learner's Book pg. 142

- Observation - Oral questions - Written assignments

Measurement

Time - Converting days into hours

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

- Convert days into hours in real life situations.
- Show interest in conversion between days and hours.

- In groups, learners change days to hours in real life situations.
-Learners practice converting from days to hours.

How many hours are there in a day?

KLB Mathematics Grade 4 Learner's Book pg. 143
- Time conversion charts
- Calendars
- Number line

- Observation - Oral questions - Written assignments

Measurement

Time - Converting hours into days

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

- Convert hours into days in real life situations.
- Appreciate conversion between hours and days.

- In groups, learners change hours to days in real life situations.
-Learners practice converting from hours to days.

When would you convert hours to days?

KLB Mathematics Grade 4 Learner's Book pg. 143
- Time conversion charts
- Calendars
- Number line

- Observation - Oral questions - Written assignments

Measurement

Time - Converting weeks into days
Time - Converting days into weeks

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

- Convert weeks into days in real life situations.
- Show interest in conversion between weeks and days.

- In groups, learners change weeks to days in real life situations.
-Learners practice converting from weeks to days.

How many days are there in a week?

KLB Mathematics Grade 4 Learner's Book pg. 144
- Time conversion charts
- Calendars
- Number line
KLB Mathematics Grade 4 Learner's Book pg. 145

- Observation - Oral questions - Written assignments

Measurement

Time - Recording time durations in hours and minutes

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

- Record time durations in hours and minutes in real life situations.
- Show interest in recording time durations.

- In groups, learners measure and record duration of events in hours and minutes using digital and analogue clocks.
-Learners practice recording time taken to complete various activities.

Why do we need to record time durations?

KLB Mathematics Grade 4 Learner's Book pg. 146
- Stopwatch
- Digital watches
- Analogue clocks

- Observation - Oral questions - Written assignments

Measurement

Time - Addition of units of time

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

- Work out addition involving units of time in real life situations.
- Appreciate addition of time durations.

- In groups, learners work out addition involving units of time in real life situations.
-Learners practice solving problems involving addition of time.

When do we need to add time in real life?

KLB Mathematics Grade 4 Learner's Book pg. 147
- Clocks
- Number cards
- Place value charts

- Observation - Oral questions - Written assignments

Measurement

Time - Subtraction of units of time

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

- Work out subtraction involving units of time in real life situations.
- Show interest in subtraction of time durations.

- In groups, learners work out subtraction involving units of time in real life situations.
-Learners practice solving problems involving subtraction of time.

When do we need to subtract time in real life?

KLB Mathematics Grade 4 Learner's Book pg. 149
- Clocks
- Number cards
- Place value charts

- Observation - Oral questions - Written assignments

Measurement

Time - Using digital clock
Money - Converting shillings into cents

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

- Use digital clock to tell and record time of different activities.
- Appreciate time in day to day activities.

- In groups, learners discuss, tell and record time using electronic clock.
-Learners practice reading and using digital clocks.

What are the advantages of digital clocks?

KLB Mathematics Grade 4 Learner's Book pg. 150
- Digital clocks
- Electronic watches
- Digital devices
KLB Mathematics Grade 4 Learner's Book pg. 151
- Real/imitation money
- Conversion charts
- Number cards

- Observation - Oral questions - Written assignments

Measurement

Money - Converting cents into shillings

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

- Convert cents into shillings in different contexts.
- Appreciate conversion between units of money.

- Learners in pairs/groups discuss and convert cents into shillings using real/imitation money in different contexts.
-Learners practice converting from cents to shillings.

When would you convert cents to shillings?

KLB Mathematics Grade 4 Learner's Book pg. 152
- Real/imitation money
- Conversion charts
- Number cards

- Observation - Oral questions - Written assignments

Measurement

Money - Preparing a shopping list of three items

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

- Prepare a shopping list of three items in real life situation.
- Show interest in preparing shopping lists.

- Learners in pairs/groups are guided on how to come up with a shopping list of food items that they may require at school or at home.
-Learners practice creating shopping lists for different occasions.

Why do we prepare shopping list?

KLB Mathematics Grade 4 Learner's Book pg. 153
- Price lists
- Shopping catalogs
- Charts

- Observation - Oral questions - Written assignments

Measurement

Money - Working out total cost of items

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

- Work out total cost of items in the shopping list for value not more ten thousand shillings.
- Appreciate using money in day to day activities.

- Learners in groups/individually calculate the total cost of items in the shopping list.
-Learners practice calculating total cost of different combinations of items.

How do we calculate the total cost of items?

KLB Mathematics Grade 4 Learner's Book pg. 153
- Price lists
- Shopping catalogs
- Calculator

- Observation - Oral questions - Written assignments

Measurement

Money - Preparing a class model shop
Money - Role playing shopping activities

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

- Prepare a class model shop for shopping activities.
- Show interest in shopping activities.

- Learners in groups are guided to come up with a class or school model shop and role play shopping activities as buyers and shopkeepers.
-Learners practice arranging items in the shop according to their type.

How do shops organize their items?

KLB Mathematics Grade 4 Learner's Book pg. 154
- Empty containers
- Price tags
- Imitation money
KLB Mathematics Grade 4 Learner's Book pg. 155
- Class model shop
- Imitation money
- Digital devices

- Observation - Oral questions - Written assignments

GEOMETRY

Position and Direction - Clockwise and anti-clockwise turns

By the end of the lesson, the learner should be able to:
How can you change your position?

By the end of the lesson, the learner should be able to:
- Identify a clockwise turn in the environment
- Demonstrate a clockwise turn in the environment
- Show interest in learning about positions and directions

- Learners place a clock on the floor and turn round the clock in the direction of the minute hand - Learners practice making clockwise turns from different positions in the classroom - In groups, learners move from their desks to the teacher's table while making clockwise turns - Learners identify various activities that involve clockwise turns in real life

KLB Mathematics Grade 4 Learner's Book pg. 156
- Clock faces
- Digital devices for digital games

- Observation - Oral questions - Written exercises

GEOMETRY

Position and Direction - Quarter, half and full turns
Angles - Angles at points in lines

By the end of the lesson, the learner should be able to:
How can you change your position?

By the end of the lesson, the learner should be able to:
- Identify a quarter turn in both directions
- Demonstrate a quarter turn in clockwise and anti-clockwise directions
- Show interest in learning about different types of turns

- In groups, learners make quarter turns in clockwise direction from different starting points - Learners make quarter turns in anti-clockwise direction from different starting points - Learners stand in front of the class and make quarter turns in both directions - Learners use digital devices to practice making quarter turns

KLB Mathematics Grade 4 Learner's Book pg. 157
- Clock faces
- Digital devices for digital games
KLB Mathematics Grade 4 Learner's Book pg. 158
KLB Mathematics Grade 4 Learner's Book pg. 160
- Pencils, rulers
- Angle representations
- Charts showing angles

- Observation - Oral questions - Written assignments

GEOMETRY

Angles - Angles from objects
Angles - Relating turns to angles

By the end of the lesson, the learner should be able to:
How do we use angles in daily life?

By the end of the lesson, the learner should be able to:
- Identify angles from objects in the environment
- Make angles by manipulating objects
- Develop interest in identifying angles in the environment

- Learners make angles by opening books and folding pieces of paper - In groups, learners explore and identify angles from objects such as cubes and cuboids in the environment - Learners turn arms to make angles and observe the angles formed - Learners identify angles in doors, windows and other classroom objects

KLB Mathematics Grade 4 Learner's Book pg. 161
- Books, paper
- Cubes, cuboids
- Angle charts
KLB Mathematics Grade 4 Learner's Book pg. 162
- Rulers
- Books, doors
- Digital devices
- Angle representations

- Observation - Oral questions - Written exercises

GEOMETRY

Angles - Relating turns to angles
Plane Figures - Identifying shapes

By the end of the lesson, the learner should be able to:
How do we use angles in daily life?

By the end of the lesson, the learner should be able to:
- Relate clockwise half turns to angles
- Use digital devices to learn about angles
- Appreciate the use of angles in real life situations

- Learners practice making half turns and relate them to angles formed - In groups, learners use digital devices to play games involving angles - Learners identify angles in the environment and classify them based on turns - Learners draw angles formed by half turns

KLB Mathematics Grade 4 Learner's Book pg. 162
- Digital devices
- Angle charts
- Clock faces
KLB Mathematics Grade 4 Learner's Book pg. 163
- Shape cut-outs
- Objects of different shapes
- Pictures showing shapes

- Observation - Written assessment - Oral questions

GEOMETRY

Plane Figures - Identifying shapes

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Identify triangles, circles and ovals from objects in the environment
- Draw shapes of triangles, circles and ovals
- Develop creativity in drawing shapes

- In groups, learners trace shapes of objects like matchboxes, circular tins, cups, coins on paper - Learners sketch shapes of triangles, circles and ovals in their books - Learners trace and draw objects with specific shapes - Learners identify and classify objects based on their shapes

KLB Mathematics Grade 4 Learner's Book pg. 164
- Objects of different shapes
- Paper for tracing
- Drawing materials

- Observation - Oral questions - Project work

GEOMETRY

Plane Figures - Lines of symmetry

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Identify lines of symmetry in rectangles and squares
- Fold shapes to find lines of symmetry
- Appreciate symmetry in shapes

- Learners take rectangular cut-outs and fold along both longer and shorter sides to identify lines of symmetry - Learners take square cut-outs and fold in different ways to identify the four lines of symmetry - Learners trace the square base of different objects, cut them out and fold to obtain lines of symmetry - Learners trace rectangular sides of boxes, cut them out and fold to obtain lines of symmetry

KLB Mathematics Grade 4 Learner's Book pg. 165
- Rectangular and square cut-outs
- Objects with rectangular and square faces
- Paper, scissors
KLB Mathematics Grade 4 Learner's Book pg. 166
- Triangular, circular and oval cut-outs
- Digital devices

- Observation - Oral questions - Written exercises

GEOMETRY

Plane Figures - Making patterns

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Make patterns using squares and rectangles
- Create original patterns using shapes
- Show creativity in making patterns

- In groups, learners obtain cut-outs in the shapes of squares and rectangles - Learners use the cut-outs to make different patterns - Learners copy, complete and color patterns provided - Learners create their own patterns using squares and rectangles - Learners display and discuss patterns created by different groups

KLB Mathematics Grade 4 Learner's Book pg. 167
- Shape cut-outs
- Coloring materials
- Digital devices

- Observation - Project work - Peer assessment

GEOMETRY

Plane Figures - Making patterns

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Make patterns using triangles
- Create original patterns combining different shapes
- Appreciate the beauty of patterns in the environment

- Learners obtain triangle cut-outs of different sizes - Learners use the triangle cut-outs to make different patterns - Learners create patterns combining squares, rectangles and triangles - Learners copy, complete and color patterns provided - Learners use digital devices to learn about plane figures and make patterns

KLB Mathematics Grade 4 Learner's Book pg. 167
- Triangle cut-outs
- Coloring materials
- Digital devices

- Observation - Project work - Peer assessment

GEOMETRY

Plane Figures - Properties of shapes

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Identify properties of squares and rectangles
- Measure sides of shapes to determine their properties
- Appreciate the differences between shapes

- Learners measure sides of squares and compare lengths to establish that all sides are equal - Learners compare angles in squares using a right-angled corner to establish that all angles are equal - Learners measure sides of rectangles to establish that opposite sides are equal - Learners compare angles in rectangles to establish that all angles are equal - Learners identify and discuss the properties of squares and rectangles

KLB Mathematics Grade 4 Learner's Book pg. 168
- Squares and rectangles of different sizes
- Rulers
- Right-angled corners

- Observation - Oral questions - Written assessment

GEOMETRY
DATA HANDLING

Plane Figures - Properties of shapes
Data - Materials for data collection

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Identify properties of different types of triangles
- Measure sides of triangles to determine their properties
- Show interest in properties of triangles

- Learners measure sides of triangles with three equal sides to establish that they are equal - Learners measure sides of triangles with two equal sides - Learners measure sides of triangles with unequal sides - Learners identify and discuss the properties of different types of triangles - Learners trace circular objects to obtain circles of different sizes and discuss their properties

KLB Mathematics Grade 4 Learner's Book pg. 169
- Triangles of different types
- Rulers
- Circular objects
KLB Mathematics Grade 4 Learner's Book pg. 171
- Tape measures
- Weighing scales
- Thermometers
- Exercise books

- Observation - Oral questions - Written assessment

DATA HANDLING

Data - Collecting data

By the end of the lesson, the learner should be able to:
How can you represent data?

By the end of the lesson, the learner should be able to:
- Collect data of at most 10 items within the school environment
- Organize collected data systematically
- Appreciate the importance of data collection

- In groups of 10, learners write their favorite fruits on cards - Learners collect the cards and arrange them according to the type of fruit - In groups, learners collect information on the number of family members for each learner - Learners collect data on shoe sizes, favorite foods, games, and colors - Learners measure and record the height of each learner in centimeters

KLB Mathematics Grade 4 Learner's Book pg. 171
- Cards
- Pencils
- Tape measure
- Rulers

- Observation - Practical activities - Written assignments

DATA HANDLING

Data - Organizing data

By the end of the lesson, the learner should be able to:
How can you represent data?

By the end of the lesson, the learner should be able to:
- Arrange collected data in ascending order
- Organize data systematically
- Develop a sense of order in handling data

- Learners write the ages of every class member - In groups, learners arrange the ages in ascending order - Learners organize data on favorite colors, drinks, heights, years of birth, and family members in ascending order - Learners discuss the importance of organizing data - Learners share organized data with other groups

KLB Mathematics Grade 4 Learner's Book pg. 172
- Data collected from previous lesson
- Charts
- Exercise books

- Observation - Written exercises - Oral questions

DATA HANDLING

Data - Drawing tables for recording data

By the end of the lesson, the learner should be able to:
How can you represent data?

By the end of the lesson, the learner should be able to:
- Draw a table for recording data
- Understand the structure of data tables
- Show interest in organizing data in tables

- In groups of 10, learners write their favorite colors on cards - Learners collect all the cards and sort them by color - Learners count the number of cards for each color - Learners draw tables with appropriate columns for recording the data - Learners discuss the importance of tables in organizing data

KLB Mathematics Grade 4 Learner's Book pg. 173
- Cards
- Exercise books
- Rulers
- Pencils

- Observation - Written exercises - Oral questions

DATA HANDLING

Data - Recording data in tables
Data - Recording data using tally marks

By the end of the lesson, the learner should be able to:
How can you represent data?

By the end of the lesson, the learner should be able to:
- Record data in tables
- Enter collected data correctly in tables
- Value accuracy in data recording

- Learners use tables to record data from science test scores - Learners record data about favorite colors, games, and beverages in tables - Learners create tables showing information and number of learners - Learners discuss and display their tables to the class - Learners use digital devices to create tables

KLB Mathematics Grade 4 Learner's Book pg. 174
- Exercise books
- Rulers
- Data collected previously
- Digital devices
- Tape measures

- Observation - Written assignments - Project work

DATA HANDLING

Data - Recording data in tables
Data - Interpreting data from tables

By the end of the lesson, the learner should be able to:
How can you represent data?

By the end of the lesson, the learner should be able to:
- Record data in complete tables with tally marks
- Count tally marks and record corresponding numbers
- Appreciate the importance of accurate data recording

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KLB Mathematics Grade 4 Learner's Book pg. 175
- Exercise books
- Rulers
- Tape measures
- Previously collected data
KLB Mathematics Grade 4 Learner's Book pg. 176
- Tables with data
- Digital devices
- Previously created tables

- Observation - Written assignments - Project work