Year 3

Year 3

# Using bar modelling to represent multiplication and division word problems

## Lesson details

### Key learning points

1. In this lesson, we will use our knowledge of bar models to match bar models to 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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## Worksheet

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## Starter quiz

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### 4 Questions

Q1.
3kg and 600g + 2kg and 400g
1005 kg g
5kg and 1000g
5kg and 1kg
Q2.
Fill in the blanks
We know Ant had 78 marbles and then had 128 marbles. We don't know how many marbles Addy gave him. The relationship between the known and unknown values are that you have to add both known values together to get the unknown value (125 + 78)
Correct answer: We know Ant had 78 marbles and then had 128 marbles. We don't know how many marbles Addy gave him. The relationship between the known and unknown values are that you have to compare the difference between them (125-78)
We know Ant had 78 marbles and then had 128 marbles. We don't know how many marbles Addy gave him. The relationship between the known and unknown values are that you have to compare the difference between them (78-125)
Q3.
Match the word problem with the correct bar model
Option 1
Option 3
Q4.
What is the calculation required to solve this word problem?
250g - 625g
625g + 250g

## Exit quiz

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### 3 Questions

Q1.
What statements describe this bar model.
Correct answer: You need divide the whole by 5 to find the part. There are five parts which are unknown. The whole is 20.
You need to divide the whole by 20 to find the part. There are five wholes and 1 part.
You need to multiply the part by 10 to find the whole. The whole number is unknown. One part is 2.
You need to multiply the part by 20 to find the whole. The whole number is unknown. The part is 20.
Q2.
Match the bar model to the word problem.
Option 1
Option 2