Numbers

Fractions - Simplifying fractions

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

- Simplify fractions in different situations
- Demonstrate skills in simplifying fractions
- Appreciate simplifying fractions in real life

- Identify equivalent fractions using a fraction board or chart
- Simplify given fractions using a fraction chart
- Work in groups to simplify various fractions

Why do we simplify fractions?

Oxford Let's Do Mathematics, pg. 56
Fraction board
Fraction charts
Paper cut-outs

- Observation - Oral questions - Written exercises

Numbers

Fractions - Comparing fractions

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

- Compare fractions in order to make decisions
- Demonstrate skills in comparing fractions
- Show interest in comparing fractions in real life

- Compare given fractions using paper cut-outs and concrete objects
- Determine which fraction is greater or smaller
- Work in groups to compare various fractions

How do we determine which fraction is larger?

Oxford Let's Do Mathematics, pg. 58
Fraction board
Paper cut-outs
Concrete objects

- Observation - Oral questions - Written exercises

Numbers

Fractions - Ordering fractions
Fractions - Addition of fractions with same denominator

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

- Order fractions with denominators not exceeding 12
- Demonstrate skills in ordering fractions
- Appreciate ordering fractions in real life

- Order given fractions in increasing and decreasing order using a number line and paper cut-outs
- Convert fractions to equivalent fractions with same denominator
- Work in groups to order various fractions

Why do we order fractions in real life?

Oxford Let's Do Mathematics, pg. 60
Number line
Paper cut-outs
Fraction charts
Oxford Let's Do Mathematics, pg. 61
Real objects

- Observation - Oral questions - Written exercises

Numbers

Fractions - Subtraction of fractions with same denominator

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

- Subtract fractions with same denominator
- Demonstrate skills in subtracting fractions
- Appreciate subtraction of fractions in real life

- Subtract two fractions with the same denominator using paper cut-outs, number line, real objects
- Work in groups to solve subtraction of fractions problems
- Apply subtraction of fractions in real-life contexts

How do we subtract fractions with the same denominator?

Oxford Let's Do Mathematics, pg. 62
Number line
Paper cut-outs
Real objects

- Observation - Oral questions - Written exercises

Numbers

Fractions - Addition of fractions with one renaming

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

- Add fractions with one renaming
- Demonstrate skills in adding fractions with different denominators
- Show interest in adding fractions in real life

- Carry out addition of two fractions by renaming one fraction using equivalent fractions
- Convert fractions to equivalent fractions with same denominator
- Work in groups to add fractions with different denominators

How do we add fractions with different denominators?

Oxford Let's Do Mathematics, pg. 63
Number line
Paper cut-outs
Real objects

- Observation - Oral questions - Written exercises

Numbers

Fractions - Subtraction of fractions with one renaming

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

- Subtract fractions with one renaming
- Demonstrate skills in subtracting fractions with different denominators
- Appreciate subtraction of fractions in real life

- Carry out subtraction of two fractions by renaming one fraction using equivalent fractions
- Convert fractions to equivalent fractions with same denominator
- Work in groups to subtract fractions with different denominators

How do we subtract fractions with different denominators?

Oxford Let's Do Mathematics, pg. 64
Number line
Paper cut-outs
Real objects

- Observation - Oral questions - Written exercises

Numbers

Fractions - Problem solving

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

- Solve problems involving fractions
- Demonstrate skills in solving word problems with fractions
- Show interest in applying fractions in real life

- Solve word problems involving fractions
- Apply fractions in real-life contexts
- Work in groups to solve various problems

Where are fractions used in real life?

Oxford Let's Do Mathematics, pg. 65
Word problem cards
Fraction charts

- Observation - Oral questions - Written exercises

Numbers

Decimals - Place value of decimals
Decimals - Writing decimals from smallest to largest

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

- Identify place value of decimals up to thousandths
- Demonstrate skills in identifying place value of decimals
- Appreciate use of decimals in real life

- Work out place value of decimals up to thousandths using a place value chart
- Make place value pockets for decimals
- Work in groups to identify place value of digits in decimal numbers

Where do you use decimals in real life?

Oxford Let's Do Mathematics, pg. 68
Place value chart
Place value pockets
Number cards
Oxford Let's Do Mathematics, pg. 69
Number line

- Observation - Oral questions - Written exercises

Numbers

Decimals - Writing decimals from largest to smallest

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

- Order decimals up to thousandths from largest to smallest
- Demonstrate skills in ordering decimals
- Appreciate ordering decimals in real life

- Order decimals up to thousandths from largest to smallest using number cards or number line
- Compare decimal numbers
- Work in groups to arrange decimals in decreasing order

How do we compare and order decimals?

Oxford Let's Do Mathematics, pg. 70
Number line
Number cards

- Observation - Oral questions - Written exercises

Numbers

Decimals - Addition of decimals

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

- Add decimals up to thousandths
- Demonstrate skills in adding decimals
- Show interest in adding decimals in real life

- Work out addition of decimals up to thousandths using place value apparatus
- Align decimal points when adding
- Work in groups to solve addition of decimals problems

How do we add decimal numbers?

Oxford Let's Do Mathematics, pg. 71
Place value apparatus
Number cards

- Observation - Oral questions - Written exercises

Numbers

Decimals - Subtraction of decimals

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

- Subtract decimals up to thousandths
- Demonstrate skills in subtracting decimals
- Appreciate subtraction of decimals in real life

- Work out subtraction of decimals up to thousandths using place value apparatus
- Align decimal points when subtracting
- Work in groups to solve subtraction of decimals problems

How do we subtract decimal numbers?

Oxford Let's Do Mathematics, pg. 72
Place value apparatus
Number cards

- Observation - Oral questions - Written exercises

Numbers

Decimals - Problem solving

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

- Solve problems involving decimals
- Demonstrate skills in solving word problems with decimals
- Show interest in applying decimals in real life

- Solve word problems involving decimals
- Apply decimals in real-life contexts
- Work in groups to solve various problems

How do we use decimals to solve real-life problems?

Oxford Let's Do Mathematics, pg. 73
Word problem cards
Number cards

- Observation - Oral questions - Written exercises

Numbers

Simple Equations - Forming equations (addition)
Simple Equations - Forming equations (subtraction)

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

- Form simple equations with one unknown involving addition
- Demonstrate skills in forming equations
- Appreciate forming equations in real life

- Discuss and form equations with one unknown from daily experiences involving addition
- Use variables to represent unknown values
- Work in groups to form equations from given situations

Where are equations used in real life?

Oxford Let's Do Mathematics, pg. 76
Counting materials
Cards with variables
Oxford Let's Do Mathematics, pg. 77

- Observation - Oral questions - Written exercises

Numbers

Simple Equations - Forming equations (multiplication)

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

- Form simple equations with one unknown involving multiplication
- Demonstrate skills in forming equations
- Appreciate forming equations from real life situations

- Discuss and form equations with one unknown from daily experiences involving multiplication
- Use variables to represent unknown values
- Work in groups to form equations from given situations

How can we represent real-life situations with equations?

Oxford Let's Do Mathematics, pg. 78
Counting materials
Cards with variables

- Observation - Oral questions - Written exercises

Numbers

Simple Equations - Forming equations (division)

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

- Form simple equations with one unknown involving division
- Demonstrate skills in forming equations
- Show interest in forming equations in real life

- Discuss and form equations with one unknown from daily experiences involving division
- Use variables to represent unknown values
- Work in groups to form equations from given situations

When do we use equations with division in real life?

Oxford Let's Do Mathematics, pg. 79
Counting materials
Cards with variables

- Observation - Oral questions - Written exercises

Numbers

Simple Equations - Solving equations (addition/subtraction)

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

- Solve simple equations with one unknown involving addition and subtraction
- Demonstrate skills in solving equations
- Appreciate solving equations in real life

- Solve equations with one unknown involving addition and subtraction
- Use balance method to demonstrate solving equations
- Work in groups to solve various equations

How do we find the value of an unknown in an equation?

Oxford Let's Do Mathematics, pg. 81
Beam balance
Counters

- Observation - Oral questions - Written exercises

Numbers
Measurement

Simple Equations - Solving equations (multiplication/division)
Length - Kilometre as a unit of measuring length

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

- Solve simple equations with one unknown involving multiplication and division
- Demonstrate skills in solving equations
- Show interest in solving equations from real life

- Solve equations with one unknown involving multiplication and division
- Discuss strategies for solving multiplication and division equations
- Work in groups to solve various equations

How do we solve equations involving multiplication and division?

Oxford Let's Do Mathematics, pg. 83
Counters
Cards with variables
Oxford Let's Do Mathematics, pg. 86
Signboard charts
Maps

- Observation - Oral questions - Written exercises

Measurement

Length - Estimating distance in kilometres
Length - Relationship between kilometre and metre
Length - Converting kilometres to metres

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

- Estimate distance in kilometres in real life situations
- Demonstrate skills in estimating distance in kilometres
- Show interest in estimating distance in kilometres

- Discuss in groups and estimate distance in kilometres practically using materials such as ropes
- Measure distance estimated and compare findings with others
- Estimate distances between different locations on a map

Why do you measure distance?

Oxford Let's Do Mathematics, pg. 87
100-metre strings
Maps
Oxford Let's Do Mathematics, pg. 88
Metre rule
Oxford Let's Do Mathematics, pg. 89
Conversion charts

- Observation - Oral questions - Written exercises

Measurement

Length - Converting metres to kilometres
Length - Addition of metres and kilometres

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

- Convert metres to kilometres in real life situations
- Demonstrate skills in converting units of length
- Appreciate conversion of units of length

- Convert metres to kilometres using the relationship between the units
- Solve problems involving conversion from metres to kilometres
- Work in groups to convert various measurements

When do we need to convert metres to kilometres?

Oxford Let's Do Mathematics, pg. 90
Conversion charts
Oxford Let's Do Mathematics, pg. 91
Metre rule
Place value charts

- Observation - Oral questions - Written exercises

Measurement

Length - Subtraction of metres and kilometres
Length - Multiplication of metres and kilometres

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

- Subtract metres and kilometres in real life situations
- Demonstrate skills in subtracting measurements with different units
- Appreciate subtraction of measurements

- Convert units to the same unit before subtracting
- Subtract metres and kilometres in real-life contexts
- Work in groups to solve subtraction problems involving length

How do we subtract measurements with different units?

Oxford Let's Do Mathematics, pg. 93
Metre rule
Place value charts
Oxford Let's Do Mathematics, pg. 94
Number cards

- Observation - Oral questions - Written exercises

Measurement

Length - Division of metres and kilometres
Length - Problem solving with length

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

- Divide metres and kilometres by whole numbers
- Demonstrate skills in dividing measurements
- Appreciate division of measurements

- Divide metres and kilometres by whole numbers
- Solve problems involving division of length measurements
- Work in groups to solve division problems

How do we divide measurements by whole numbers?

Oxford Let's Do Mathematics, pg. 95
Number cards
Oxford Let's Do Mathematics, pg. 96
Word problem cards

- Observation - Oral questions - Written exercises

Measurement

Length - Practical applications of length

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

- Apply length measurements in practical situations
- Demonstrate skills in using length measurements
- Appreciate practical applications of length

- Measure distances in the school compound
- Apply length measurements in real-life contexts
- Work in groups to measure and record various distances

Where do we use length measurements in daily life?

Oxford Let's Do Mathematics, pg. 97
Measuring tapes
Metre rules

- Observation - Oral questions - Written exercises

Measurement

Length - Length conversions

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

- Convert between different units of length
- Demonstrate skills in converting units
- Show interest in converting units of length

- Practice converting between different units of length
- Solve problems involving conversion of units
- Work in groups to convert various measurements

Why is it important to convert between units?

Oxford Let's Do Mathematics, pg. 97
Conversion charts

- Observation - Oral questions - Written exercises

Measurement

Area - Square centimetre as a unit of area

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

- Use the square centimetre (cm²) as a unit of measuring area
- Demonstrate skills in measuring area in square centimetres
- Appreciate using square centimetre in measuring area

- Measure, trace and cut out 1 cm by 1 cm units
- Refer to the area of each as one square centimetre (1 cm²)
- Cover given surfaces using 1-centimetre square cut-outs and count to get the area

How can you determine the area of different surfaces?

Oxford Let's Do Mathematics, pg. 98
1 cm² cut-outs
Ruler

- Observation - Oral questions - Written exercises

Measurement

Area - Area of rectangles

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

- Work out area of rectangles in square centimetres
- Demonstrate skills in calculating area of rectangles
- Show interest in finding area of rectangles

- Cover rectangular surfaces with 1 cm² cut-outs
- Count the number of square units to find the area
- Establish area of rectangles as length × width
- Measure the sides and calculate the area

What is the formula for finding the area of a rectangle?

Oxford Let's Do Mathematics, pg. 99
1 cm² cut-outs
Ruler

- Observation - Oral questions - Written exercises

Measurement

Area - Area of squares
Area - Problem solving with area

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

- Work out area of squares in square centimetres
- Demonstrate skills in calculating area of squares
- Appreciate finding area of squares

- Cover square surfaces with 1 cm² cut-outs
- Count the number of square units to find the area
- Establish area of squares as side × side
- Measure the sides and calculate the area

What is the formula for finding the area of a square?

Oxford Let's Do Mathematics, pg. 101
1 cm² cut-outs
Ruler
Oxford Let's Do Mathematics, pg. 102
Word problem cards

- Observation - Oral questions - Written exercises

Measurement

Area - Areas of composite shapes

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

- Calculate areas of composite shapes made of rectangles and squares
- Demonstrate skills in finding areas of composite shapes
- Appreciate finding areas of composite shapes

- Break down composite shapes into rectangles and squares
- Find the area of each part and add them together
- Work in groups to find areas of various composite shapes

How do we find the area of composite shapes?

Oxford Let's Do Mathematics, pg. 103
1 cm² cut-outs
Ruler

- Observation - Oral questions - Written exercises

Measurement

Area - Practical applications of area

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

- Apply area measurements in practical situations
- Demonstrate skills in using area measurements
- Show interest in practical applications of area

- Measure and calculate the area of various surfaces in the classroom
- Apply area measurements in real-life contexts
- Work in groups to measure and record various areas

Where do we use area measurements in daily life?

Oxford Let's Do Mathematics, pg. 103
1 cm² cut-outs
Ruler

- Observation - Oral questions - Written exercises

Measurement

Volume - Cubic centimetre as a unit of volume

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

- Identify the cubic centimetre (cm³) as a unit of measuring volume
- Demonstrate skills in identifying cubic centimetre
- Appreciate cubic centimetre as a unit of volume

- Measure the sides of a 1 cm cube and identify it as a unit of measuring volume
- Make cubes using clay or plasticine
- Work in groups to make and identify 1 cm³ cubes

Where is volume applicable in real life?

Oxford Let's Do Mathematics, pg. 104
1 cm³ cubes
Clay or plasticine

- Observation - Oral questions - Written exercises

Measurement

Volume - Volume using one-centimetre cubes

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

- Calculate volume by counting cubes
- Demonstrate skills in finding volume using cubes
- Show interest in finding volume using cubes

- Pile one-centimetre cubes to make layers
- Count the total number of cubes in the stack
- Work in groups to build and find volume of various structures

How do we find volume by counting cubes?

Oxford Let's Do Mathematics, pg. 105
1 cm³ cubes

- Observation - Oral questions - Written exercises

Measurement

Volume - Formula for volume of cuboid
Volume - Calculating volume of cuboids

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

- Derive the formula for volume of cuboid as v = l × w × h practically
- Demonstrate skills in deriving formula for volume
- Appreciate relationship between dimensions and volume

- Arrange cubes along length, width and vary the number of layers
- Count the number of cubes used and record
- Establish the formula for volume of cuboid as v = l × w × h
- Work in groups to verify the formula

How do we calculate the volume of a cuboid?

Oxford Let's Do Mathematics, pg. 106
1 cm³ cubes
Oxford Let's Do Mathematics, pg. 107
Cuboids
Ruler

- Observation - Oral questions - Written exercises

Measurement

Volume - Formula for volume of cube

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

- Derive the formula for volume of cube as v = s × s × s practically
- Demonstrate skills in deriving formula for volume
- Appreciate the relationship between the side and volume

- Arrange cubes to form larger cubes
- Count the number of cubes used and record
- Establish the formula for volume of cube as v = s × s × s
- Work in groups to verify the formula

How do we calculate the volume of a cube?

Oxford Let's Do Mathematics, pg. 108
1 cm³ cubes

- Observation - Oral questions - Written exercises

Measurement

Volume - Calculating volume of cubes

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

- Work out volume of cubes in cubic centimetres using the formula
- Demonstrate skills in calculating volume of cubes
- Show interest in calculating volume of cubes

- Measure the side of cubes
- Apply the formula v = s × s × s to calculate volume
- Work in groups to calculate volumes of various cubes

How do we apply the formula for volume of a cube?

Oxford Let's Do Mathematics, pg. 109
Cubes
Ruler

- Observation - Oral questions - Written exercises

Measurement

Volume - Problem solving with volume

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

- Solve problems involving volume
- Demonstrate skills in applying volume concepts
- Appreciate problem solving with volume

- Solve word problems involving volume
- Apply volume concepts in real-life contexts
- Work in groups to solve various problems

How do we use volume measurements in real life?

Oxford Let's Do Mathematics, pg. 110
Word problem cards

- Observation - Oral questions - Written exercises

Measurement

Volume - Working out volume of 3D objects

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

- Calculate volumes of different 3D objects
- Demonstrate skills in measuring and calculating volumes
- Show interest in finding volumes of objects

- Measure the dimensions of various 3D objects
- Calculate the volumes using appropriate formulas
- Work in groups to find volumes of different objects

How do we find volumes of objects in our environment?

Oxford Let's Do Mathematics, pg. 111
Various 3D objects
Ruler

- Observation - Oral questions - Written exercises

Measurement

Capacity - Millilitre as a unit of capacity

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

- Identify the millilitre as a unit of measuring capacity
- Demonstrate skills in identifying millilitre
- Appreciate millilitre as a unit of capacity

- Fill a teaspoon with water and divide into 5 equal parts
- Identify each part as 1 millilitre
- Work in groups to demonstrate the unit of millilitre

Where are litres and millilitres used in day-to-day life?

Oxford Let's Do Mathematics, pg. 113
Teaspoons
Water
Containers

- Observation - Oral questions - Written exercises

Measurement

Capacity - Measuring capacity in millilitres
Capacity - Estimating capacity in millilitres

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

- Measure capacity in millilitres
- Demonstrate skills in measuring capacity
- Show interest in measuring capacity

- Pour water into containers using teaspoons
- Mark the levels for multiples of 5 millilitres
- Use the containers to measure capacity in millilitres
- Work in groups to measure capacity of different containers

How do we measure capacity in millilitres?

Oxford Let's Do Mathematics, pg. 114
Teaspoons
Water
Containers
Measuring cylinder
Oxford Let's Do Mathematics, pg. 115

- Observation - Oral questions - Written exercises

Measurement

Capacity - Relationship between litres and millilitres

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

- Identify the relationship between litres and millilitres
- Demonstrate skills in establishing relationship between units
- Show interest in the relationship between units

- Fill a one-litre bottle using a 100-ml bottle
- Count how many 100-ml bottles make one litre
- Establish that 1000 millilitres make 1 litre
- Work in groups to verify the relationship

How many millilitres make one litre?

Oxford Let's Do Mathematics, pg. 116
1-litre bottle
100-ml bottle
Water

- Observation - Oral questions - Written exercises

Measurement

Capacity - Converting litres to millilitres

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

- Convert litres to millilitres
- Demonstrate skills in converting units of capacity
- Appreciate converting units of capacity

- Convert litres to millilitres using the relationship between the units
- Solve problems involving conversion from litres to millilitres
- Work in groups to convert various measurements

How do we convert litres to millilitres?

Oxford Let's Do Mathematics, pg. 117
Conversion charts

- Observation - Oral questions - Written exercises

Measurement

Capacity - Converting millilitres to litres

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

- Convert millilitres to litres
- Demonstrate skills in converting units of capacity
- Show interest in converting units of capacity

- Convert millilitres to litres using the relationship between the units
- Solve problems involving conversion from millilitres to litres
- Work in groups to convert various measurements

How do we convert millilitres to litres?

Oxford Let's Do Mathematics, pg. 118
Conversion charts

- Observation - Oral questions - Written exercises

Measurement

Capacity - Addition of capacity

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

- Add litres and millilitres
- Demonstrate skills in adding measurements of capacity
- Appreciate addition of capacity measurements

- Convert units to the same unit before adding
- Add litres and millilitres in real-life contexts
- Work in groups to solve addition problems involving capacity

How do we add measurements of capacity?

Oxford Let's Do Mathematics, pg. 119
Place value charts

- Observation - Oral questions - Written exercises

Measurement

Capacity - Subtraction of capacity
Capacity - Multiplication of capacity

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

- Subtract litres and millilitres
- Demonstrate skills in subtracting measurements of capacity
- Show interest in subtraction of capacity measurements

- Convert units to the same unit before subtracting
- Subtract litres and millilitres in real-life contexts
- Work in groups to solve subtraction problems involving capacity

How do we subtract measurements of capacity?

Oxford Let's Do Mathematics, pg. 120
Place value charts
Oxford Let's Do Mathematics, pg. 121
Number cards

- Observation - Oral questions - Written exercises

Measurement

Capacity - Division of capacity

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

- Divide litres and millilitres by whole numbers
- Demonstrate skills in dividing capacity measurements
- Show interest in division of capacity measurements

- Divide litres and millilitres by whole numbers
- Solve problems involving division of capacity measurements
- Work in groups to solve division problems

How do we divide measurements of capacity?

Oxford Let's Do Mathematics, pg. 122
Number cards

- Observation - Oral questions - Written exercises

Measurement

Capacity - Problem solving with capacity

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

- Solve problems involving capacity
- Demonstrate skills in applying capacity concepts
- Appreciate problem solving with capacity

- Solve word problems involving capacity
- Apply capacity concepts in real-life contexts
- Work in groups to solve various problems

How do we use capacity measurements in real life?

Oxford Let's Do Mathematics, pg. 123
Word problem cards

- Observation - Oral questions - Written exercises

Measurement

Capacity - Practical applications of capacity

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

- Apply capacity measurements in practical situations
- Demonstrate skills in using capacity measurements
- Show interest in practical applications of capacity

- Measure the capacity of various containers
- Apply capacity measurements in real-life contexts
- Work in groups to measure and record capacity of different containers

Where do we use capacity measurements in daily life?

Oxford Let's Do Mathematics, pg. 124
Various containers
Water
Measuring cylinder

- Observation - Oral questions - Written exercises

Measurement

Mass - Gram as a unit of mass

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

- Identify the gram as a unit of measuring mass
- Demonstrate skills in identifying gram
- Appreciate gram as a unit of mass

- Scoop a teaspoonful of soil or sand
- Divide the amount into 5 equal groups to represent 1 gram each
- Work in groups to identify 1 gram amounts

What is the importance of measuring mass?

Oxford Let's Do Mathematics, pg. 125
Teaspoons
Soil or sand
Electronic weighing scale

- Observation - Oral questions - Written exercises

Measurement

Mass - Measuring mass in grams
Mass - Estimating mass in grams

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

- Measure mass in grams
- Demonstrate skills in measuring mass
- Show interest in measuring mass

- Use a beam balance or electronic weighing machine to measure mass of various items in grams
- Record the measurements
- Work in groups to measure and record the mass of different items

How do we measure mass in grams?

Oxford Let's Do Mathematics, pg. 126
Beam balance
Electronic weighing machine
Various objects
Oxford Let's Do Mathematics, pg. 127

- Observation - Oral questions - Written exercises

Measurement

Mass - Relationship between kilogram and gram

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

- Identify the relationship between kilogram and gram
- Demonstrate skills in establishing relationship between units
- Show interest in the relationship between units

- Put a 1 kg mass on one side of a beam balance
- Balance it with 100-g masses on the other side
- Count how many 100-g masses balance the 1-kg mass
- Establish that 1000 grams make 1 kilogram

How many grams make one kilogram?

Oxford Let's Do Mathematics, pg. 128
Beam balance
1-kg mass
100-g masses

- Observation - Oral questions - Written exercises

Measurement

Mass - Converting kilograms to grams

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

- Convert kilograms to grams
- Demonstrate skills in converting units of mass
- Appreciate converting units of mass

- Convert kilograms to grams using the relationship between the units
- Solve problems involving conversion from kilograms to grams
- Work in groups to convert various measurements

How do we convert kilograms to grams?

Oxford Let's Do Mathematics, pg. 129
Conversion charts

- Observation - Oral questions - Written exercises

Measurement

Mass - Converting grams to kilograms

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

- Convert grams to kilograms
- Demonstrate skills in converting units of mass
- Show interest in converting units of mass

- Convert grams to kilograms using the relationship between the units
- Solve problems involving conversion from grams to kilograms
- Work in groups to convert various measurements

How do we convert grams to kilograms?

Oxford Let's Do Mathematics, pg. 130
Conversion charts

- Observation - Oral questions - Written exercises

Measurement

Mass - Addition of mass

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

- Add grams and kilograms
- Demonstrate skills in adding measurements of mass
- Appreciate addition of mass measurements

- Convert units to the same unit before adding
- Add grams and kilograms in real-life contexts
- Work in groups to solve addition problems involving mass

How do we add measurements of mass?

Oxford Let's Do Mathematics, pg. 131
Place value charts

- Observation - Oral questions - Written exercises

Measurement

Mass - Subtraction of mass
Mass - Multiplication of mass

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

- Subtract grams and kilograms
- Demonstrate skills in subtracting measurements of mass
- Show interest in subtraction of mass measurements

- Convert units to the same unit before subtracting
- Subtract grams and kilograms in real-life contexts
- Work in groups to solve subtraction problems involving mass

How do we subtract measurements of mass?

Oxford Let's Do Mathematics, pg. 132
Place value charts
Oxford Let's Do Mathematics, pg. 133
Number cards

- Observation - Oral questions - Written exercises

Measurement

Mass - Division of mass

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

- Divide grams and kilograms by whole numbers
- Demonstrate skills in dividing mass measurements
- Show interest in division of mass measurements

- Divide grams and kilograms by whole numbers
- Solve problems involving division of mass measurements
- Work in groups to solve division problems

How do we divide measurements of mass?

Oxford Let's Do Mathematics, pg. 134
Number cards

- Observation - Oral questions - Written exercises

Measurement

Mass - Problem solving with mass

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

- Solve problems involving mass
- Demonstrate skills in applying mass concepts
- Appreciate problem solving with mass

- Solve word problems involving mass
- Apply mass concepts in real-life contexts
- Work in groups to solve various problems

How do we use mass measurements in real life?

Oxford Let's Do Mathematics, pg. 135
Word problem cards

- Observation - Oral questions - Written exercises

Measurement

Mass - Practical applications of mass

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

- Apply mass measurements in practical situations
- Demonstrate skills in using mass measurements
- Show interest in practical applications of mass

- Measure the mass of various objects
- Apply mass measurements in real-life contexts
- Work in groups to measure and record mass of different objects

Where do we use mass measurements in daily life?

Oxford Let's Do Mathematics, pg. 136
Beam balance
Electronic weighing machine
Various objects

- Observation - Oral questions - Written exercises