Year 4

Year 4

# Representing one-step word problems

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## Lesson details

### Key learning points

1. In this lesson, we will use bar models to represent addition and subtraction in one-step word problems.

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## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
Which column will regrouping occur in in the following equation: 4586 + 4812 = ...
Ones
Tens
Q2.
Will regrouping happen in the following equation: 5592 + 3564 = ....
No
Q3.
Has Mrs Crane calculated the following equation correctly?
Yes
Q4.
Has Mrs Crane solved the following equation correctly?
No
Q5.
Has Mrs Crane solved the following equation correctly?
Yes

## Exit quiz

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### 5 Questions

Q1.
Which is the correct inverse equation for the following equation: 3562 + 3752 = 7314
3752 - 3562 = 7314
Correct answer: 7314 - 3562 = 3752
Q2.
Which is the correct inverse equation for the following equation: 7659 - 3572 = 4085
Correct answer: 3572 + 4087 = 7659
4087 - 3572 = 515
Q3.
What is known in the following bar model?
Both parts
Correct answer: Whole and a part
Q4.
What is known in the following bar model?
Both parts
Correct answer: Whole and a part
Q5.
Which of the following equations represents the following bar model?
Correct answer: 3795 - 2534 = ?
3795 + 2534 = ?