Identify the addends and the sum in column addition | Maths

Starter quiz

What calculation is represented by the base ten blocks?

24 + 21

24 + 11 ✓

22 + 11

14 + 21
What calculation is represented by the base ten blocks?

101 + 103

110 + 113

110 + 130 ✓
Which number in the bar model is the sum?

100

140

240 ✓
What is the missing addend?

'40' ✓
What is the sum in this calculation? 62 + 34 = 96

62

34

96 ✓
Which numbers are the addends in this calculation? 88 = 54 + 34

88

54 ✓

34 ✓

Exit quiz

What are the addends in this column addition?

22 ✓

25 ✓

47
What is the sum in this column addition?

22

25

47 ✓
Jun represents the column addition as a bar model. Which bar model shows the correct position of 76?

a)

b)

c) ✓
Look at the column addition. Which statements are correct?

96 is the sum. ✓

53 and 96 are both addends.

43 is an addend. ✓

53 is the sum.
Which equations match the column addition?

61 + 24 = 85 ✓

21 + 64 = 85

85 = 21 + 64

85 = 61 + 24 ✓
Which equations match the column addition?

44 + 55 = 99

99 = 45 + 54 ✓

54 + 45 = 99 ✓

99 = 55 + 44

Worksheet

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Lesson Details

Key learning points

In column addition, one addend is written below the other.
The equals sign shows it is an equation.
The sum appears within the equals sign.

Common misconception

Pupils may struggle to find the parts and the whole in column addition.

Emphasise the sum as being within the 'equals' sign in column addition. Take time to write equations, bar models and column addition and make connections between these.

Keywords

Addend - An addend is a number added to another.
Sum - The sum is the total when numbers are added together.
Equation - An equation shows that one number or calculation is equal to another.
Column addition - Column addition is a way of adding numbers by writing a number below another.