Proportions Test

Front

What is a proportion?

Back

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

Front

How do you find the percent of a number?

Back

To find the percent of a number, divide the part by the whole and multiply by 100.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply and then divide to find the unknown value.

Front

What does it mean for figures to be similar?

Back

Similar figures have the same shape but may be different in size; their corresponding angles are equal and their sides are in proportion.

Front

How do you calculate 40% of a number?

Back

To calculate 40% of a number, multiply the number by 0.40.

Front

What is the formula for finding the percent of a total?

Back

Percent = (Part/Whole) x 100.

Front

If 36 cookies cost $4, how do you find the cost per cookie?

Back

Divide the total cost by the number of cookies: $4 / 36 cookies = $0.11 per cookie.

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions state that two ratios are equal.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.