Intro to Ratios

Front

What is a ratio?

Back

A ratio compares one thing to another.

Front

True or False: Ratios can be simplified or reduced just like fractions.

Back

True

Front

What does it mean to simplify a ratio?

Back

To express the ratio in its simplest form, just like simplifying a fraction.

Front

What is the ratio of boys to students in class if there are 10 boys and 20 students?

Back

The ratio is 1:2.

Front

What is a part-to-whole ratio? Give an example.

Back

A part-to-whole ratio compares a part of a group to the entire group. Example: 3 apples to 12 fruits is a part-to-whole ratio.

Front

What is a part-to-part ratio? Give an example.

Back

A part-to-part ratio compares one part of a group to another part of the same group. Example: 2 boys to 3 girls is a part-to-part ratio.

Front

True or False: A ratio is the same thing as the greatest common factor (GCF).

Back

False

Front

What is the ratio of quarters to total money if you have 4 quarters and $1?

Back

The ratio is 4:100 or simplified to 1:25.

Front

What does it mean to compare in ratios?

Back

To show the relationship between two quantities.

Front

If there are 5 cars and 15 total vehicles, what is the part-to-whole ratio of cars to total vehicles?

Back

The part-to-whole ratio is 5:15 or simplified to 1:3.