Ratio and Proportions

Front

What is a Ratio?

Back

It's a comparison of two things.

Front

What is a Proportion?

Back

An equation that states two ratios are equal.

Front

If the ratio of red apples to green apples is 4:3, how many red apples are there if there are 12 green apples?

Back

16 red apples.

Front

What is the simplest form of the ratio 6:9?

Back

2:3.

Front

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

Back

2:3.

Front

How do you find a missing value in a proportion?

Back

Cross-multiply and solve for the unknown.

Front

Back

7.

Front

Tommy has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio in simplest form of red to yellow LEGOS?

Back

1:2.

Front

A 6-gram package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10-gram package?

Back

75 pieces.

Front

What is the ratio of 10 to 25 in simplest form?

Back

2:5.