Year 3

Year 3

# Finding number bonds for numbers up to 20

## Lesson details

### Key learning points

1. In this lesson, we will be using number bonds and looking for patterns for numbers within 20. We will look at partitioning and part whole modelling.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
If I know that 6 + 2 = 8, then I know
16 + 2 = 8
Correct answer: 8 - 6 = 2
8 + 2 = 6
Q2.
6 + 2 = 8 - Which equation shows 'one more'
16 + 2 = 18
5 + 2 = 7
60 + 20 = 80
Correct answer: 7 + 2 = 9
Q3.
6 + 2 = 8 - Which equation shows commutativity?
16 + 2 = 8
Correct answer: 2 + 6 = 8
8 - 2 = 6
8 - 6 = 2
Q4.
6 + 2 = 8 - Which equation shows the inverse
16 + 2 = 18
60 + 20 = 80
Correct answer: 8- 2 = 6
Q5.
6 + 2 = 8 - Which equation shows changing the tens place value?
16 + 2 = 8
16 + 2= 18
60 + 2 = 80
Correct answer: 60 + 20 = 80

## Exit quiz

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### 4 Questions

Q1.
There will be more number bonds for 7 than 8