11/7/23 Ratios - Graded

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you express a ratio?

Back

A ratio can be expressed in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or in words (e.g., '3 to 2').

Front

What is the ratio of pears to all fruit if there are 4 apples, 2 bananas, and 5 pears?

Back

The ratio of pears to all fruit is 5:11.

Front

How do you find the total number of items in a ratio problem?

Back

To find the total number of items, add all parts of the ratio together.

Front

What is the ratio of boys to girls if there are 13 boys and 10 girls?

Back

The ratio of boys to girls is 13:10.

Front

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

Back

The ratio of girls to boys is 7:5.

Front

What is the ratio of birds to all animals if there are 3 birds and 15 other animals?

Back

The ratio of birds to all animals is 3:18.

Front

What is the importance of simplifying ratios?

Back

Simplifying ratios makes them easier to understand and compare.

Front

How can you convert a ratio into a percentage?

Back

To convert a ratio into a percentage, divide the part by the whole and multiply by 100.

Front

What does it mean if a ratio is expressed as 1:4?

Back

It means for every 1 of the first item, there are 4 of the second item.