Year 2

Year 2

# Subtracting 2 digit numbers involving regrouping

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## Lesson details

### Key learning points

1. In this lesson, we will learn how to subtract two digit numbers by using dienes cubes to represent our mental calculations.

### 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.
In the following equation, how can you partition the 4 in order to use the "Make 10" strategy? 61-4=57
1 and 4
2 and 2
Q2.
Solve the following equation: 27-8=?
1
20
Q3.
Solve the following equation: 53-6=?
50
56

## Exit quiz

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### 3 Questions

Q1.
Solve the following equation mentally: 18-10=?
0
10
Q2.
Solve the following by using a whole part model and the "Make 10" strategy. 32-15=?
15
22
Q3.
Solve the following equation by using a whole part model and the "Make 10" strategy. 45-16=?
28