Addition by bridging through 10 | Maths | Quizalize & Oak National Academy

Starter quiz

Which of these are number pairs that total 10?

6 and 4 ✓

8 and 1

9 and 2

3 and 7 ✓
Match the equation to the sum.

3 + 3 =

⇔

6 ✓

2 + 3 =

⇔

5 ✓

4 + 3 =

⇔

7 ✓

4 + 4 =

⇔

8 ✓
What addend is missing from this equation? 5 + ______ = 10

'5' ✓
What is the missing addend? 10 + ______ = 14

'4' ✓
What addend is missing from the bar model?

'5' ✓
The two missing addends in the equation have the same value. What is that value?

2

3 ✓

4

6

Look at the equation. How would you partition 6 to find the sum?

1 and 5

2 and 4

3 and 3 ✓
The number line shows an addition strategy. What number is missing from the number line?

'2' ✓
Alex adds two number cards together to make a total. Match the numbers to the sums.

6 and 5

⇔

11 ✓

5 and 7

⇔

12 ✓

8 and 5

⇔

13 ✓

7 and 8

⇔

15 ✓
Izzy added together two numbers to make a sum. She represented her strategy on a number line. What equation did Izzy do?

8 + 6 = 14

7 + 7 = 14

10 + 4 = 14

9 + 5 = 14 ✓
What addend is missing from this equation? ______ + 4 = 20

'16' ✓
What addend is missing from the bar model?

'6' ✓

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Pupils partition one of the addends incorrectly to help them bridge ten.

Pupils use number pairs that total ten to help them partition the addend. They consider what they have to add to make ten.

Bridge - Bridging is a mental strategy which uses addition or subtraction to cross a number boundary.
Partition - Partition means splitting a number into parts.