Ratios and equivalent ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b'.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (a:b), as a fraction (a/b), or with the word 'to' (a to b).

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.

Front

How can you find an equivalent ratio?

Back

To find an equivalent ratio, you can multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the ratio of school apps to game apps if Kelly has 5 school apps and 3 game apps?

Back

5 to 3.

Front

If there are 3 green marbles and 1 yellow marble, what is the ratio of green marbles to yellow marbles?

Back

3 to 1.

Front

Find one equivalent ratio for 5:8.

Back

10:16.

Front

If the ratio of red apples to green apples is 4 to 3, how many red apples are there if there are 12 green apples?

Back

16 red apples.

Front

What is the ratio of 15 to 30 simplified?

Back

1 to 2.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

2 to 3.