Ratios and Proportions

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

What is the ratio of single hits to homeruns if there are 4 single hits and 1 homerun?

Back

4 to 1

Front

If 5/15 = 25/n, what is the value of n?

Back

75

Front

What is the relationship of oranges to fruit if there are 2 oranges in a total of 6 fruits?

Back

2:6

Front

If 8/24 = 2/n, what is the value of n?

Back

6

Front

How do you express the ratio of 35 to 14 in simplest form?

Back

5:2

Front

What does it mean if two ratios are equivalent?

Back

It means they represent the same relationship between quantities.

Front

How can you find a missing value in a proportion?

Back

Cross-multiply the known values and solve for the unknown.