# Use ratio to express relationships

## Lesson details

### Key learning points

1. In this lesson, we will use ratio to express relationships. We will create mathematical statements to explain proportion in different patterns using ratios.

### 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.
Using fractions, what proportion of the shapes are squares?
b
c
Q2.
Using fractions, what proportion of the shapes are hexagons?
a
c
Q3.
If there were 30 shapes in the pattern, how many would be squares?
12
15
Q4.
If there were 48 shapes in the pattern, how many would be hexagons?
15
40

## Exit quiz

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### 4 Questions

Q1.
What is the ratio of squares to hexagons?
2 : 1
Q2.
What is the ratio of hexagons to squares?
1 : 2
Q3.
Sarah is making chocolate chip cookies. For every 6 milk chocolate cookies she makes, she makes 1 white chocolate cookie. What is the ratio of milk chocolate to white chocolate cookies?
1:6