writing 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' or 'a:b'.

Front

How do you write a ratio in simplest form?

Back

To write a ratio in simplest form, divide both terms of the ratio by their greatest common divisor (GCD).

Front

What is the ratio of boys to girls if there are 13 boys and 10 girls?

Back

13 to 10

Front

If there are 3 bananas for every 2 apples, how is this ratio expressed?

Back

3:2

Front

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

Back

Add the parts of the ratio together. For example, in the ratio 3:2, the total is 3 + 2 = 5.

Front

What is the ratio of pears to all fruit if there are 4 apples, 2 bananas, and 5 pears?

Back

5:11

Front

If there are 5 pairs of pants and 11 shirts, what is the ratio of pants to shirts?

Back

5:11

Front

How do you express a ratio of red LEGOS to yellow LEGOS if there are 3 red and 6 yellow?

Back

1:2 (simplified from 3:6).

Front

What does it mean if a ratio is expressed as 1:4?

Back

It means for every 1 of the first quantity, there are 4 of the second quantity.

Front

How can you compare two ratios?

Back

You can compare two ratios by cross-multiplying or finding a common denominator.