Proportions, Rates, and Multiplication

Front

What is a proportion?

Back

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

Front

Define unit rate.

Back

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

Front

What is the formula for finding a rate?

Back

Rate = Quantity 1 / Quantity 2.

Front

Solve for x: 5x = 100

Back

x = 20.

Front

What does it mean to solve for x?

Back

To solve for x means to find the value of x that makes the equation true.

Front

Calculate: 8 x 9

Back

72.

Front

What is the product of 6 and 7?

Back

42.

Front

If a car travels 120 miles in 2 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

Solve for x: 3x + 6 = 15

Back

x = 3.

Front

What is the definition of multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of the same number.