# Subtracting a 2 digit number and ones with regrouping

## Lesson details

### Key learning points

1. In this lesson, we will learn how to subtract two digit numbers and ones with regrouping by using a part whole model to help us.

### 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.
Do you need to use the "Make 10" strategy for the following equation? 13-3=?
Yes
Q2.
What known fact can help you solve the following equation? 15-4=?
15-5-10
5-1=4
Q3.
Solve the following equation using the "Make 10" strategy: 33-5=?
27
30

## Exit 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
Correct answer: 1 and 3
1 and 4
2 and 2
Q2.
Solve the following equation: 27-8=?
1