Year 4

# Representing comparison word problems

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## Lesson details

### Key learning points

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

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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.

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### 5 Questions

Q1.

Which is the correct inverse equation for the following equation: 3562 + 3752 = 7314

3752 - 3562 = 7314

Q2.

Which is the correct inverse equation for the following equation: 7659 - 3572 = 4085

4087 - 3572 = 515

Q3.

What is known in the following bar model?

Both parts

Q4.

What is known in the following bar model?

Both parts

Q5.

Which of the following equations represents the following bar model?

3795 + 2534 = ?

### 5 Questions

Q1.

Which is the appropriate inverse equation for the following equation: 3741 - 2604 = 1137

3741 + 2604 = 6345

Q2.

Which is the appropriate inverse equation for the following equation: 4289 + 2791 = 7080

7080 + 2791 = 9871

Q3.

Which is the appropriate inverse equation for the following equation: 2309 + 709 = 3018

709 + 2309 = 3018

Q4.

From the following word problem, what is the equation: Visitors to the Notre Dame cathedral were recorded for Tuesday and Wednesday. Wednesday had 1123 more visitors than on Tuesday. If Tuesday had 1125 visitors, how many were there on Wednesday?

1125 - 1123 = ?

Q5.

For the following word problem, what is the equation: A restaurant had 4762 diners in June. In July they had 2345 more diners than in June. How many diners did the restaurant have in July?

4762 - 2345 = ?