MEASUREMENT

Length - Addition of metres and kilometres
Length - Subtraction of metres and kilometres

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

- Add metres and kilometres without conversion.
- Add metres and kilometres with conversion.
- Solve word problems involving addition of metres and kilometres.
- Appreciate addition of units of length.

The learner is guided to:
- Set up addition of distances in vertical form.
- Add metres first, then add kilometres.
- Regroup where necessary when adding metres.
- Solve word problems involving addition of distances.

How do we add metres and kilometres?

- KLB Mathematics Learner's Book Grade 5 page 108.
- Conversion charts.
- Sketch maps with distances.
- Place value charts.
- KLB Mathematics Learner's Book Grade 5 page 111.
- Number cards.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Length - Multiplication of metres and kilometres by whole numbers

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

- Multiply metres and kilometres by whole numbers.
- Solve word problems involving multiplication.
- Develop skills in multiplication of compound measures.
- Show interest in multiplication of units of length.

The learner is guided to:
- Multiply metres and kilometres by whole numbers.
- Regroup product of metres where necessary.
- Solve word problems involving multiplication of distances.
- Share their work with peers.

How do we multiply metres and kilometres by whole numbers?

- KLB Mathematics Learner's Book Grade 5 page 113.
- Multiplication charts.
- Number cards.

- Written exercise. - Oral questions. - Observation.

MEASUREMENT

Length - Division of metres and kilometres by whole numbers

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

- Divide metres and kilometres by whole numbers.
- Apply regrouping where necessary.
- Solve word problems involving division.
- Appreciate division of units of length.

The learner is guided to:
- Divide kilometres by whole numbers.
- Convert remainder to metres where necessary.
- Add the converted metres to the existing metres.
- Divide the resultant metres by the divisor.

How do we divide metres and kilometres by whole numbers?

- KLB Mathematics Learner's Book Grade 5 page 114.
- Division charts.
- Number cards.

- Written exercise. - Oral questions. - Peer assessment.

MEASUREMENT

Length - Division of metres and kilometres by whole numbers

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

- Divide combined measurements of metres and kilometres.
- Solve complex word problems involving division.
- Apply division skills to real-life situations.
- Show interest in division of units of length.

The learner is guided to:
- Solve more complex division problems involving combined measurements.
- Apply division skills to practical scenarios like dividing distances into equal parts.
- Create and solve their own word problems.
- Share solutions and strategies with peers.

Where do we apply division of length measures in real life?

- KLB Mathematics Learner's Book Grade 5 page 115.
- Calculators.
- Word problem cards.

- Written exercise. - Oral questions. - Peer assessment. - Project work.

MEASUREMENT

Area - The square centimetre (cm²) as a unit of measuring area

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

- Identify the square centimetre as a unit of measuring area.
- Draw one centimetre squares.
- Measure the lengths of the sides of one centimetre squares.
- Appreciate the use of square centimetre as a unit of area.

The learner is guided to:
- Measure the length of sides of squares.
- Trace and cut out one centimetre squares.
- Identify that area of a square with sides 1 cm is one square centimetre.
- Discuss the concept of area as the space occupied.

What is a square centimetre?

- KLB Mathematics Learner's Book Grade 5 page 119.
- Squared paper.
- Rulers.
- Scissors.
- One centimetre square cut-outs.

- Observation. - Oral questions. - Practical activities.

MEASUREMENT

Area - The square centimetre (cm²) as a unit of measuring area

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

- Use one centimetre squares to measure area of shapes.
- Count number of one centimetre squares to determine area.
- Express area in square centimetres.
- Show interest in measuring area of different shapes.

The learner is guided to:
- Trace shapes on paper.
- Cover the shapes with one centimetre squares.
- Count the number of squares used.
- Express the result as area in square centimetres.

How can we use square centimetre to measure area?

- KLB Mathematics Learner's Book Grade 5 page 120.
- One centimetre square cut-outs.
- Various 2D shapes.
- Scissors.
- Glue.

- Observation. - Practical activities. - Written exercise.

MEASUREMENT

Area - Working out area of rectangles in square centimetres

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

- Find area of rectangles by counting squares.
- Relate number of square centimetres to area.
- Make patterns using one centimetre squares.
- Appreciate the concept of area.

The learner is guided to:
- Cover rectangles with one centimetre squares.
- Count squares to determine area.
- Discuss the relationship between number of squares and area.
- Make patterns using one centimetre squares.

How do you find the area of a rectangle?

- KLB Mathematics Learner's Book Grade 5 page 121.
- Squared paper.
- Rectangles of different sizes.
- One centimetre square cut-outs.

- Observation. - Written exercise. - Practical activities.

MEASUREMENT

Area - Working out area of rectangles in square centimetres

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

- Derive the formula for area of a rectangle.
- Calculate area using the formula length × width.
- Solve word problems involving area of rectangles.
- Appreciate the use of formula in calculating area.

The learner is guided to:
- Count the number of squares along length and width.
- Multiply number of squares along length by number along width.
- Compare result with total number of squares.
- Derive that Area = Length × Width.

Why do we use a formula to calculate area?

- KLB Mathematics Learner's Book Grade 5 page 122.
- Rectangular shapes.
- Squared paper.
- Rulers.
- Calculator.

- Written exercise. - Oral questions. - Observation.

MEASUREMENT

Area - Working out area of squares in square centimetres

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

- Find area of squares by counting squares.
- Relate number of square centimetres to area.
- Make patterns using squares.
- Show interest in calculating areas.

The learner is guided to:
- Cover squares with one centimetre squares.
- Count squares to determine area.
- Discuss the relationship between number of squares and area.
- Make patterns using square shapes.

How do you find the area of a square?

- KLB Mathematics Learner's Book Grade 5 page 124.
- Squared paper.
- Squares of different sizes.
- One centimetre square cut-outs.

- Observation. - Written exercise. - Practical activities.

MEASUREMENT

Area - Working out area of squares in square centimetres

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

- Derive the formula for area of a square.
- Calculate area using the formula side × side.
- Solve word problems involving area of squares.
- Appreciate the use of formula in calculating area.

The learner is guided to:
- Count the number of squares along each side.
- Multiply the number of squares on one side by itself.
- Compare result with total number of squares.
- Derive that Area = Side × Side.

Why is the formula for area of a square different from rectangle?

- KLB Mathematics Learner's Book Grade 5 page 125.
- Square shapes.
- Squared paper.
- Rulers.
- Calculator.

- Written exercise. - Oral questions. - Project work.

MEASUREMENT

Volume - The cubic centimetre (cm³) as a unit of measuring volume

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

- Identify the cubic centimetre as a unit of measuring volume.
- Make one centimetre cubes.
- Measure sides of cubic centimetre.
- Appreciate cubic centimetre as a unit of volume.

The learner is guided to:
- Make cubes with sides 1 cm using clay or plasticine.
- Measure the sides to confirm they are 1 cm each.
- Discuss that volume of this cube is one cubic centimetre.
- Make more 1 cm cubes for use in subsequent lessons.

What is a cubic centimetre?

- KLB Mathematics Learner's Book Grade 5 page 132.
- Clay or plasticine.
- Rulers.
- 1 cm cube models.

- Observation. - Oral questions. - Practical activities.

MEASUREMENT

Volume - Deriving the formula for volume of cuboid

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

- Arrange cubic centimetres to form cuboids.
- Count the number of cubes in a cuboid.
- Relate the number of cubes to volume.
- Show interest in building models.

The learner is guided to:
- Arrange 1 cm cubes to form cuboids.
- Count the number of 1 cm cubes used.
- Arrange cubes in layers and count them.
- Discuss relationship between number of cubes and volume.

How do we determine the volume of cuboids?

- KLB Mathematics Learner's Book Grade 5 page 133.
- 1 cm cube models.
- Cuboid models.
- Charts showing cuboids.

- Observation. - Oral questions. - Practical activities.

MEASUREMENT

Volume - Deriving the formula for volume of cuboid

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

- Relate number of cubes to length, width and height.
- Derive the formula for volume of cuboid.
- Apply the formula to calculate volume.
- Appreciate the relationship between dimensions and volume.

The learner is guided to:
- Count the number of cubes along length, width and height.
- Multiply number of cubes along length, width and height.
- Compare result with total number of cubes.
- Derive that Volume = Length × Width × Height.

Why is the formula for volume of a cuboid length × width × height?

- KLB Mathematics Learner's Book Grade 5 page 134.
- Cuboid models.
- Calculators.
- Charts showing formula derivation.

- Written exercise. - Oral questions. - Observation.

MEASUREMENT

Volume - Working out volume of cuboids in cubic centimetres

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

- Apply the formula to calculate volume of cuboids.
- Solve word problems involving volume.
- Calculate volume of real objects.
- Show interest in calculating volume.

The learner is guided to:
- Measure dimensions of cuboids.
- Apply the formula V = l × w × h to calculate volume.
- Solve word problems involving volume of cuboids.
- Calculate volume of real objects in cubic centimetres.

Where do we apply volume calculations in real life?

- KLB Mathematics Learner's Book Grade 5 page 136.
- Cuboid models.
- Rulers.
- Calculators.
- Real objects in cuboid shape.

- Written exercise. - Oral questions. - Project work.

MEASUREMENT

Volume - Deriving the formula for volume of cube

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

- Arrange cubic centimetres to form cubes.
- Count the number of cubes.
- Relate the number of cubes to volume.
- Develop interest in building models.

The learner is guided to:
- Arrange 1 cm cubes to form larger cubes.
- Count the number of 1 cm cubes used.
- Arrange cubes in layers and count them.
- Discuss relationship between number of cubes and volume.

How do we determine the volume of cubes?

- KLB Mathematics Learner's Book Grade 5 page 137.
- 1 cm cube models.
- Cube models.
- Charts showing cubes.

- Observation. - Oral questions. - Practical activities.

MEASUREMENT

Volume - Working out volume of cubes in cubic centimetres

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

- Apply the formula to calculate volume of cubes.
- Solve word problems involving volume of cubes.
- Calculate volume of real objects in cube shape.
- Show interest in calculating volume.

The learner is guided to:
- Measure side length of cubes.
- Apply the formula V = s × s × s to calculate volume.
- Solve word problems involving volume of cubes.
- Calculate volume of real objects in cube shape.

Why is the formula for volume of a cube s³?

- KLB Mathematics Learner's Book Grade 5 page 138.
- Cube models.
- Rulers.
- Calculators.
- Real objects in cube shape.

- Written exercise. - Oral questions. - Project work.

MEASUREMENT

Capacity - Identifying the millilitre as a unit of measuring capacity

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

- Identify the millilitre as a unit of measuring capacity.
- Measure 1 millilitre using appropriate apparatus.
- Name items sold in millilitres.
- Appreciate millilitre as a unit of capacity.

The learner is guided to:
- Use a transparent straw with one end closed.
- Fill a 5 ml teaspoon with water and put into straw.
- Divide the height of water into five equal parts.
- Identify that each part represents 1 millilitre.

What is a millilitre?

- KLB Mathematics Learner's Book Grade 5 page 143.
- Transparent straws.
- 5 ml teaspoons.
- Small bottles.
- Water.

- Observation. - Oral questions. - Practical activities.

MEASUREMENT

Capacity - Measuring capacity in millilitres

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

- Measure capacity in millilitres.
- Use a measuring cylinder to measure capacity.
- Mark and label capacity levels.
- Show interest in measuring capacity.

The learner is guided to:
- Fill a 5 ml spoon with water.
- Pour water into a small transparent bottle.
- Mark the level and label as 5 ml.
- Continue pouring one spoonful at a time and marking levels.

How do we measure capacity in millilitres?

- KLB Mathematics Learner's Book Grade 5 page 143.
- 5 ml teaspoons.
- Small transparent bottles.
- Measuring cylinders.
- Water.

- Observation. - Practical activities. - Oral questions.

MEASUREMENT

Capacity - Measuring capacity in millilitres

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

- Use marked containers to measure capacity.
- Measure capacity of various containers.
- Record measurements accurately.
- Show interest in measuring capacity.

The learner is guided to:
- Use the marked bottle or cylinder to measure capacity of other small containers.
- Record measurements in a table.
- Calculate how many 5 ml or 10 ml spoons fill different containers.
- Discuss and compare results.

Which containers can hold more liquid?

- KLB Mathematics Learner's Book Grade 5 page 144.
- Marked bottles.
- Measuring cylinders.
- Various small containers.
- Water.

- Observation. - Practical activities. - Written exercise.

MEASUREMENT

Capacity - Estimating and measuring capacity in multiples of 5 millilitres

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

- Estimate capacity in multiples of 5 millilitres.
- Measure actual capacity using 5 ml spoon.
- Compare estimated and actual capacity.
- Develop estimation skills.

The learner is guided to:
- Estimate capacity of containers in multiples of 5 ml.
- Measure actual capacity using 5 ml spoon.
- Record estimated and actual capacity in a table.
- Compare and discuss results.

Why is estimation important in measuring capacity?

- KLB Mathematics Learner's Book Grade 5 page 144.
- 5 ml spoons.
- Various containers.
- Record sheets.
- Water.

- Observation. - Practical activities. - Written exercise.

MEASUREMENT

Capacity - Estimating and measuring capacity in multiples of 5 millilitres

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

- Improve accuracy in estimation.
- Measure capacity of larger containers.
- Record measurements systematically.
- Appreciate importance of estimation.

The learner is guided to:
- Estimate capacity of larger containers.
- Measure actual capacity using 5 ml spoon or larger measures.
- Record and compare results.
- Discuss ways to improve estimation.

How can we improve our estimation skills?

- KLB Mathematics Learner's Book Grade 5 page 145.
- 5 ml spoons.
- Larger containers.
- Measuring cylinders.
- Water.

- Observation. - Practical activities. - Peer assessment.

MEASUREMENT

Capacity - Relationship between litres and millilitres

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

- Establish the relationship between litres and millilitres.
- State that 1 litre = 1000 millilitres.
- Complete tables showing equivalent measures.
- Show interest in units of capacity.

The learner is guided to:
- Fill a 1 litre bottle using different sized containers.
- Count how many of each container fills the 1 litre bottle.
- Complete tables relating litres to millilitres.
- Discuss that 1 litre = 1000 millilitres.

What is the relationship between litres and millilitres?

- KLB Mathematics Learner's Book Grade 5 page 145.
- 1 litre bottles.
- Containers of various sizes (100ml, 200ml, 250ml, 500ml).
- Water.
- Charts showing relationship.

- Oral questions. - Written exercise. - Observation.

MEASUREMENT

Capacity - Converting litres to millilitres

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

- Convert litres to millilitres.
- Convert combined measures of litres and millilitres to millilitres.
- Solve word problems involving conversion.
- Appreciate conversion of units.

The learner is guided to:
- Convert simple measurements in litres to millilitres.
- Convert combined measurements (e.g., 2 l 240 ml) to millilitres.
- Solve word problems involving conversion.
- Share solutions with peers.

Why do we convert between litres and millilitres?

- KLB Mathematics Learner's Book Grade 5 page 146.
- Conversion charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Peer assessment.

MEASUREMENT

Capacity - Converting millilitres to litres

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

- Convert millilitres to litres.
- Convert millilitres to litres and millilitres.
- Solve word problems involving conversion.
- Show interest in conversion of units.

The learner is guided to:
- Convert measurements in millilitres to litres.
- Convert millilitres to litres and millilitres for measurements not divisible by 1000.
- Solve word problems involving conversion.
- Complete conversion tables.

How do we convert millilitres to litres?

- KLB Mathematics Learner's Book Grade 5 page 147.
- Conversion charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Capacity - Addition of litres and millilitres

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

- Add litres and millilitres without conversion.
- Add litres and millilitres with conversion.
- Solve word problems involving addition.
- Show interest in addition of units of capacity.

The learner is guided to:
- Set up addition of capacities in vertical form.
- Add millilitres first, then add litres.
- Regroup where necessary when adding millilitres.
- Solve word problems involving addition of capacities.

How do we add litres and millilitres?

- KLB Mathematics Learner's Book Grade 5 page 149.
- Conversion charts.
- Word problem cards.
- Place value charts.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Capacity - Subtraction of litres and millilitres

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

- Subtract litres and millilitres without conversion.
- Subtract litres and millilitres with conversion.
- Solve word problems involving subtraction.
- Appreciate subtraction of units of capacity.

The learner is guided to:
- Set up subtraction of capacities in vertical form.
- Subtract millilitres first, then subtract litres.
- Regroup where necessary from litres to millilitres.
- Solve word problems involving subtraction of capacities.

How do we subtract litres and millilitres?

- KLB Mathematics Learner's Book Grade 5 page 152.
- Conversion charts.
- Word problem cards.
- Place value charts.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Capacity - Multiplication of litres and millilitres by whole numbers

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

- Multiply litres and millilitres by whole numbers.
- Solve word problems involving multiplication.
- Apply multiplication skills to real-life situations.
- Show interest in multiplication of units of capacity.

The learner is guided to:
- Multiply millilitres first, then multiply litres.
- Regroup product of millilitres where necessary.
- Solve word problems involving multiplication of capacities.
- Share solutions with peers.

How do we multiply litres and millilitres by whole numbers?

- KLB Mathematics Learner's Book Grade 5 page 154.
- Multiplication charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Peer assessment.

MEASUREMENT

Capacity - Division of litres and millilitres by whole numbers

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

- Divide litres and millilitres by whole numbers.
- Apply regrouping where necessary.
- Solve word problems involving division.
- Appreciate division of units of capacity.

The learner is guided to:
- Divide litres by whole numbers.
- Convert remainder to millilitres where necessary.
- Add the converted millilitres to the existing millilitres.
- Divide the resultant millilitres by the divisor.

How do we divide litres and millilitres by whole numbers?

- KLB Mathematics Learner's Book Grade 5 page 155.
- Division charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Mass - Identifying the gram as a unit of measuring mass

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

- Identify the gram as a unit of measuring mass.
- Measure 1 gram using appropriate apparatus.
- Name items sold in grams.
- Appreciate gram as a unit of mass.

The learner is guided to:
- Use a teaspoon to scoop dry sand or soil.
- Measure the mass of one teaspoonful using a weighing balance.
- Divide the sand into five equal amounts to get 1 gram each.
- Discuss items sold in grams.

What is a gram?

- KLB Mathematics Learner's Book Grade 5 page 160.
- Teaspoons.
- Dry sand or soil.
- Weighing balance.
- Sand bags.

- Observation. - Oral questions. - Practical activities.

MEASUREMENT

Mass - Measuring mass in grams

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

- Measure mass in grams.
- Use a weighing machine or beam balance.
- Record mass measurements accurately.
- Show interest in measuring mass.

The learner is guided to:
- Use a teaspoon to prepare different masses (10g, 20g, 50g, 100g).
- Use a weighing machine or beam balance to measure mass.
- Record measurements in a table.
- Measure mass of various items in grams.

How do we measure mass in grams?

- KLB Mathematics Learner's Book Grade 5 page 161.
- Weighing machine.
- Beam balance.
- Various small items.
- Dry sand or soil.

- Observation. - Practical activities. - Written exercise.

MEASUREMENT

Mass - Measuring mass in grams

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

- Measure mass of various objects in grams.
- Record measurements accurately.
- Compare masses of different objects.
- Develop skills in mass measurement.

The learner is guided to:
- Measure mass of various objects using weighing machine.
- Record measurements accurately.
- Compare masses of different objects.
- Discuss the concept of mass and its measurement.

Which objects have more mass?

- KLB Mathematics Learner's Book Grade 5 page 161.
- Weighing machine.
- Beam balance.
- Various objects.
- Record sheets.

- Observation. - Practical activities. - Written exercise.

MEASUREMENT

Mass - Estimating and measuring mass in grams

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

- Estimate mass in grams.
- Measure actual mass using weighing machine.
- Compare estimated and actual mass.
- Develop estimation skills.

The learner is guided to:
- Estimate mass of various items in grams.
- Measure actual mass using weighing machine.
- Record estimated and actual mass in a table.
- Compare and discuss results.

Why is estimation of mass important?

- KLB Mathematics Learner's Book Grade 5 page 161.
- Weighing machine.
- Various items.
- Record sheets.

- Observation. - Practical activities. - Written exercise.

MEASUREMENT

Mass - Estimating and measuring mass in grams

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

- Improve accuracy in estimation.
- Measure mass of variety of objects.
- Record measurements systematically.
- Appreciate importance of estimation.

The learner is guided to:
- Estimate mass of more objects.
- Measure actual mass using weighing machine.
- Record and compare results.
- Discuss ways to improve estimation.

How can we improve our estimation skills?

- KLB Mathematics Learner's Book Grade 5 page 162.
- Weighing machine.
- Variety of objects.
- Record sheets.

- Observation. - Practical activities. - Peer assessment.

MEASUREMENT

Mass - Relationship between kilogram and gram

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

- Establish the relationship between kilogram and gram.
- State that 1 kilogram = 1000 grams.
- Complete tables showing equivalent measures.
- Show interest in units of mass.

The learner is guided to:
- Measure 500g of sand and put in a packet.
- Make another 500g packet of sand.
- Balance the two packets with a 1kg stone.
- Complete tables relating kilograms to grams.

What is the relationship between kilogram and gram?

- KLB Mathematics Learner's Book Grade 5 page 162.
- Weighing machine.
- 1kg stone.
- Sand.
- Packets for sand.
- Beam balance.

- Oral questions. - Written exercise. - Observation.

MEASUREMENT

Mass - Converting kilograms to grams

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

- Convert kilograms to grams.
- Convert combined measures of kilograms and grams to grams.
- Solve word problems involving conversion.
- Appreciate conversion of units.

The learner is guided to:
- Convert simple measurements in kilograms to grams.
- Convert combined measurements (e.g., 5 kg 175 g) to grams.
- Solve word problems involving conversion.
- Complete conversion tables.

Why do we convert between kilograms and grams?

- KLB Mathematics Learner's Book Grade 5 page 163.
- Conversion charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Mass - Converting grams to kilograms

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

- Convert grams to kilograms.
- Convert grams to kilograms and grams.
- Solve word problems involving conversion.
- Show interest in conversion of units.

The learner is guided to:
- Convert measurements in grams to kilograms.
- Convert grams to kilograms and grams for measurements not divisible by 1000.
- Solve word problems involving conversion.
- Complete conversion tables.

How do we convert grams to kilograms?

- KLB Mathematics Learner's Book Grade 5 page 164.
- Conversion charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Mass - Addition of grams and kilograms

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

- Add grams and kilograms without conversion.
- Add grams and kilograms with conversion.
- Solve word problems involving addition.
- Show interest in addition of units of mass.

The learner is guided to:
- Set up addition of masses in vertical form.
- Add grams first, then add kilograms.
- Regroup where necessary when adding grams.
- Solve word problems involving addition of masses.

How do we add grams and kilograms?

- KLB Mathematics Learner's Book Grade 5 page 165.
- Conversion charts.
- Word problem cards.
- Place value charts.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Mass - Subtraction of grams and kilograms

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

- Subtract grams and kilograms without conversion.
- Subtract grams and kilograms with conversion.
- Solve word problems involving subtraction.
- Appreciate subtraction of units of mass.

The learner is guided to:
- Set up subtraction of masses in vertical form.
- Subtract grams first, then subtract kilograms.
- Regroup where necessary from kilograms to grams.
- Solve word problems involving subtraction of masses.

How do we subtract grams and kilograms?

- KLB Mathematics Learner's Book Grade 5 page 170.
- Conversion charts.
- Word problem cards.
- Place value charts.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Mass - Multiplication of grams and kilograms by whole numbers

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

- Multiply grams and kilograms by whole numbers.
- Solve word problems involving multiplication.
- Apply multiplication skills to real-life situations.
- Show interest in multiplication of units of mass.

The learner is guided to:
- Multiply grams first, then multiply kilograms.
- Regroup product of grams where necessary.
- Solve word problems involving multiplication of masses.
- Share solutions with peers.

How do we multiply grams and kilograms by whole numbers?

- KLB Mathematics Learner's Book Grade 5 page 173.
- Multiplication charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Peer assessment.

MEASUREMENT

Mass - Division of grams and kilograms by whole numbers

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

- Divide grams and kilograms by whole numbers.
- Apply regrouping where necessary.
- Solve word problems involving division.
- Appreciate division of units of mass.

The learner is guided to:
- Divide kilograms by whole numbers.
- Convert remainder to grams where necessary.
- Add the converted grams to the existing grams.
- Divide the resultant grams by the divisor.

How do we divide grams and kilograms by whole numbers?

- KLB Mathematics Learner's Book Grade 5 page 175.
- Division charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Time - Identifying the second as a unit of measuring time

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

- Identify the second as a unit of measuring time.
- Observe the second hand on a clock.
- Perform activities that take 1 second and 10 seconds.
- Appreciate second as a unit of time.

The learner is guided to:
- Observe a wall clock and identify the hands.
- Compare movement of the hands and identify the second hand.
- Clap hands to match with the movement of the second hand.
- Carry out activities for specific number of seconds.

What is a second?

- KLB Mathematics Learner's Book Grade 5 page 178.
- Wall clocks.
- Stopwatches.
- Digital clocks.

- Observation. - Oral questions. - Practical activities.

MEASUREMENT

Time - Relationship between minute and second

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

- Establish the relationship between minute and second.
- State that 1 minute = 60 seconds.
- Complete tables showing equivalent measures.
- Show interest in units of time.

The learner is guided to:
- Use a watch to count how many seconds make one minute.
- Carry out activities for 60 seconds and count repetitions.
- Complete tables relating minutes to seconds.
- Discuss that 1 minute = 60 seconds.

What is the relationship between minute and second?

- KLB Mathematics Learner's Book Grade 5 page 178.
- Wall clocks.
- Stopwatches.
- Digital clocks.
- Conversion charts.

- Oral questions. - Written exercise. - Observation.

MEASUREMENT

Time - Converting minutes to seconds

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

- Convert minutes to seconds.
- Convert combined measures of minutes and seconds to seconds.
- Solve word problems involving conversion.
- Appreciate conversion of units of time.

The learner is guided to:
- Convert simple measurements in minutes to seconds.
- Multiply by 60 to convert minutes to seconds.
- Convert combined measurements to seconds.
- Solve word problems involving conversion.

How do we convert minutes to seconds?

- KLB Mathematics Learner's Book Grade 5 page 179.
- Conversion charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Time - Converting seconds to minutes

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

- Convert seconds to minutes.
- Convert seconds to minutes and seconds.
- Solve word problems involving conversion.
- Show interest in conversion of units of time.

The learner is guided to:
- Convert measurements in seconds to minutes.
- Divide by 60 to convert seconds to minutes.
- Convert seconds to minutes and seconds for measurements not divisible by 60.
- Solve word problems involving conversion.

How do we convert seconds to minutes?

- KLB Mathematics Learner's Book Grade 5 page 180.
- Conversion charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Time - Addition of minutes and seconds with conversion

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

- Add minutes and seconds with regrouping.
- Apply knowledge of conversion in addition.
- Solve word problems involving addition.
- Show interest in addition of units of time.

The learner is guided to:
- Set up addition of time in vertical form.
- Add seconds first, then add minutes.
- Regroup when sum of seconds is 60 or more.
- Solve word problems involving addition of time.

How do we add minutes and seconds?

- KLB Mathematics Learner's Book Grade 5 page 182.
- Conversion charts.
- Word problem cards.
- Place value charts.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Time - Subtraction of minutes and seconds with conversion

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

- Subtract minutes and seconds with regrouping.
- Apply knowledge of conversion in subtraction.
- Solve word problems involving subtraction.
- Appreciate subtraction of units of time.

The learner is guided to:
- Set up subtraction of time in vertical form.
- Subtract seconds first, then subtract minutes.
- Regroup from minutes to seconds when necessary.
- Solve word problems involving subtraction of time.

How do we subtract minutes and seconds?

- KLB Mathematics Learner's Book Grade 5 page 184.
- Conversion charts.
- Word problem cards.
- Place value charts.

- Written exercise. - Oral questions. - Group work.

MEASUREMENT

Time - Multiplication of minutes and seconds by whole numbers

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

- Multiply minutes and seconds by whole numbers.
- Apply regrouping where necessary.
- Solve word problems involving multiplication.
- Show interest in multiplication of units of time.

The learner is guided to:
- Multiply seconds first, then multiply minutes.
- Regroup product of seconds when 60 or more.
- Solve word problems involving multiplication of time.
- Share solutions with peers.

How do we multiply minutes and seconds by whole numbers?

- KLB Mathematics Learner's Book Grade 5 page 186.
- Multiplication charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Peer assessment.

MEASUREMENT

Time - Division of minutes and seconds by whole numbers

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

- Divide minutes and seconds by whole numbers.
- Apply regrouping where necessary.
- Solve word problems involving division.
- Appreciate division of units of time.

The learner is guided to:
- Divide minutes by whole numbers.
- Convert remainder to seconds where necessary.
- Add the converted seconds to the existing seconds.
- Divide the resultant seconds by the divisor.

How do we divide minutes and seconds by whole numbers?

- KLB Mathematics Learner's Book Grade 5 page 187.
- Division charts.
- Word problem cards.
- Calculators.

- Written exercise. - Oral questions. - Group work.