Year 1

Year 1

# To explore addition and subtraction (Part 1)

## Slide deck

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## Lesson details

### Key learning points

1. In this lesson, we will use addition and subtraction strategies to solve equations.

### 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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### 3 Questions

Q1.
Does the part-whole model match the word problem? Select yes or no below.
No
Correct answer: Yes
Q2.
What is the missing number in the part-whole model?
Correct answer: 26
28
Q3.
Which equation matches the word problem and part-whole model?
20 + 20 = 40
Correct answer: 40 - 20 = 20

## Exit quiz

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### 3 Questions

Q1.
What is another way of writing this addition sentence?
19 + 4 = 15
Correct answer: 4 +15 = 19
Q2.
Choose another way of writing this equation.
Correct answer: 4 + 8 = 12
8 = 12 + 4
Q3.
Is the bottom equation correct? Select yes or no.
Correct answer: No
Yes