Ratio! - Ratios & Fractions!

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 convert a ratio to a fraction?

Back

To convert a ratio 'a : b' to a fraction, you write it as a fraction a/(a+b).

Front

What fraction of the total is represented by the first part of a ratio?

Back

The fraction represented by the first part of a ratio 'a : b' is a/(a+b).

Front

If the ratio of red to blue counters is 3 : 1, what fraction of the counters are red?

Back

3/4

Front

If the ratio of clubs to hearts in a hand of playing cards is 6 : 1, what fraction of the cards are hearts?

Back

1/7

Front

If the ratio of purple sweets to red sweets is 2 : 5, what fraction of the sweets are purple?

Back

2/7

Front

If the ratio of red to blue counters is 3 : 1, what fraction of the counters are blue?

Back

1/4

Front

In a fruit bowl, if 3/5 of the fruit are apples, what is the ratio of apples to oranges?

Back

3 : 2

Front

What is the total number of parts in a ratio?

Back

The total number of parts in a ratio 'a : b' is a + b.

Front

How do you simplify a ratio?

Back

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