Conversions, Ratios, Proportions

Front

68 cm = ___________ mm

Back

680

Front

1 year = ____ weeks

Back

52

Front

4 yd = ____ ft

Back

12

Front

Simplify the ratio of 20 to 25

Back

4 to 5

Front

Solve for x: x/4 = 6/8

Back

3

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

What is a proportion?

Back

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

Front

How do you convert centimeters to millimeters?

Back

Multiply the number of centimeters by 10.

Front

How many feet are in a yard?

Back

There are 3 feet in a yard.

Front

What is the formula for finding a missing value in a proportion?

Back

Cross-multiply and solve for the missing value.