Intro to 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. It can be expressed in different forms such as a fraction, with a colon, or with the word 'to'.

Front

How can a ratio be written?

Back

Front

What is the ratio of hearts to total shapes if there are 6 hearts and 4 other shapes?

Back

The ratio of hearts to total shapes is 6:10.

Front

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

Front

Which of the following is NOT a way to express a ratio: 3=4, 3:4, 3/4, 3 to 4?

Back

3=4 is NOT a way to express a ratio.

Front

What is an equivalent ratio to 12:20?

Back

An equivalent ratio to 12:20 is 3:5.

Front

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

Back

The ratio of flour to sugar is 2:3.

Front

How do you simplify the ratio 8:12?

Back

To simplify the ratio 8:12, divide both numbers by their greatest common divisor, which is 4. The simplified ratio is 2:3.

Front

What is the ratio of green beans to peas if there are 31 green beans and 74 peas?

Back

The ratio of green beans to peas is 31:74.

Front

If a class has 10 boys and 15 girls, what is the ratio of boys to girls?

Back

The ratio of boys to girls is 10:15, which simplifies to 2:3.