Ratios and Equivalent Ratios

Front

What is a ratio?

Back

A comparison of two quantities.

Front

What is an equivalent ratio?

Back

Two ratios that express the same relationship between numbers.

Front

How do you simplify a ratio?

Back

Divide both terms of the ratio by their greatest common factor.

Front

What is the ratio of 4 apples to 2 oranges?

Back

2:1

Front

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 12 girls?

Back

9 boys.

Front

What is the ratio of 10 to 5?

Back

2:1

Front

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

Back

2:3

Front

What is the ratio of 15 to 30?

Back

1:2

Front

If there are 6 red marbles and 9 blue marbles, what is the ratio of red to blue marbles?

Back

2:3

Front

How many soccer balls are needed for 48 students if the ratio is 8 soccer balls for every 12 students?

Back

32 soccer balls.