Exam Prep Ratio and Proportion

For every one grape in a bowl, there are three strawberries. There are five grapes so how many strawberries are there

Ali has five pencils for every 1 pen in her drawer. She has 25 pencils so how many pens has she got?

A recipe uses 50g chocolate chips for every 200g of sugar. What is the ratio of chocolate chips to sugar in its simplest form?

In a reptile house, one in every three animals is a snake. There are 36 animals in the reptile house so how many snakes are there?

A crockery shop only stocks plates, bowls and mugs in the ratio of 3:4:1

If there are 21 plates on sale, how many mugs will there be?

A bucket only contains red and blue buttons in the ratio 5:3.

There are 400 buttons in the bucket so how many of them are blue?

Bella, Harry and Lois share 90 toy bricks in the ratio 7:2:1. How many bricks will Bella get?

The ratio of Tom's pairs of socks to shirts to pairs of pyjamas is 5:2:3

Tom has 9 pairs of pyjamas so how many more pairs of socks than shirts does he have?

A square with sides of 2cm is enlarged by a scale factor of 3. What is the perimeter of the enlarged square?

• 6cm

• 3cm

• 12cm

• 24cm