# Representing comparative word problems using bar models (Part 1)

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## Lesson details

### Key learning points

1. In this lesson, we will draw comparative bar models to solve 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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### 5 Questions

Q1.
21 children in the playground. 48 children arrive. Then 16 children leave. How many children are there now?
32
69
85
Q2.
There were 25 people on the top deck of the bus, 14 people on the bottom deck of the bus. Then, 13 people left the bus. How many people were left on the bus?
16
39
41
Q3.
There were 31 people on the top deck of the bus and 18 people on the bottom deck of the bus. Then, 22 people left the bus. How many people were left on the bus?
25
35
49
Q4.
There were 19 children at lunch. 40 more children come to lunch. Then, 25 people left the lunch hall. How many children were left at lunch?
24
25
59
Q5.
22 children in the playground. 33 children arrive. Then 40 children leave. How many children are there now?
16
55
62

## Exit quiz

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### 5 Questions

Q1.
Sally has two books. Megan has three more. How many books does Megan have?
4
6
7
Q2.
Ben has 12 crayons. Levi has 4 more. How many crayons does Levi have?
10
14
8
Q3.
Levi has 16 crayons. Ben has 4 fewer. How many crayons does Ben have?
10
18
20
Q4.
Lauren bakes 13 cakes. Graham bakes 5 more. How many cakes does Graham bake?
17
8
9
Q5.
Lauren bakes 14 cakes. Graham bakes 3 fewer. How many cakes does Graham bake?