Ratios & Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a comparison between two quantities.

Front

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

Back

2 : 3

Front

How can you express the ratio of moons to suns if there are 4 moons and 8 suns?

Back

There are 4 moons for every 2 suns.

Front

In a bag of Jolly Ranchers, if the ratio of blue to red is 3 to 4 and there are 15 blue Jolly Ranchers, how many red Jolly Ranchers are there?

Back

20 red Jolly Ranchers.

Front

Which ratio is equivalent to 5 to 4?

Back

25 to 20.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

10 boys.

Front

What is the simplest form of the ratio 10:15?

Back

2:3.

Front

If a car travels 60 miles in 1 hour, what is the ratio of miles to hours?

Back

60:1.

Front

How do you find an equivalent ratio?

Back

Multiply or divide both terms of the ratio by the same non-zero number.