Year 3

# Drawing bar models to help us with measuring word problems

Year 3

# Drawing bar models to help us with measuring word problems

## Slide deck

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## Lesson details

### Key learning points

- In this lesson, we will review all the skills learnt about drawing bar models for addition, subtraction, multiplication and division word problems.

### 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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### 4 Questions

Q1.

16L and 250ml x 4

16L and 900ml

16L and 950ml

16ml and 1000ml

Q2.

What statement matches the bar model

We know the part is 16. We don't know the whole. To calculate the whole we need to multiply the part by 2.

We know the whole is 16. We don't know the part. To calculate the part we need to multiply the whole by the number of parts.

Q3.

Match the word problem with the correct bar model

Option 1

Option 2

Q4.

What is the calculation required to solve this word problem?

10 ÷ 5

50 ÷ 5

### 4 Questions

Q1.

4L and 400ml multiplied by 4

16L and 1600ml

16L and 1L and 600ml

1L and 100ml

Q2.

Match the correct statements about this bar model.

We know the value of the two parts. The whole is unknown. We need to subtract bigger part by the smaller part to get the whole. 256 - 178.

We know the value of the whole and one part. We need to subtract the whole by a part to find the value of the other part. 178 - 256

Q3.

Match the word problem to the calculation

450cm - 5cm

450cm x 5

5 ÷ 450cm

Q4.

Match the word problem to the calculation.

4kg and 1250g

4kg and 250g

5kg and 250kg