RATIO

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:b'.

Front

How do you write a ratio?

Back

A ratio 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 simplify to the same fraction.

Front

What is the equivalent ratio of 4:12?

Back

The equivalent ratio of 4:12 is 1:3.

Front

If Ella has 5 balloons and Taylor has 7 balloons, what is the ratio of Ella's balloons to Taylor's balloons?

Back

The ratio of Ella's balloons to Taylor's balloons is 5:7.

Front

How do you find the total number of items in a ratio?

Back

To find the total number of items in a ratio, add the parts of the ratio together.

Front

What is the ratio of black marbles to blue marbles if there are 10 black marbles and 4 blue marbles?

Back

The ratio of black marbles to blue marbles is 10:4, which simplifies to 5:2.

Front

If the ratio of boys to girls is 4:5 and there are 20 girls, how many boys are there?

Back

If the ratio is 4:5 and there are 20 girls, there are 16 boys.

Front

What is a part in a ratio?

Back

A part in a ratio refers to the individual quantities that make up the whole ratio.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both sides of the ratio by their greatest common divisor (GCD).