Unit 1B Study guide

Which numbers are factors of 80? Select all that apply.

• 7

• 40

• 6

• 80

Besides 76 and 1, what is one factor of 76?

• 2

• 3

• 5

• 9

Find all the factor pairs for 27 and complete the equations. Each equation should use a different pair of factors.

• 1 and 27

• 3 and 9

• 2 and 14

• 5 and 5

Find all the factor pairs for 28 and complete the equations. Each equation should use a different pair of factors.

• 1 and 28, 2 and 14, 4 and 7

• 2 and 14, 3 and 9, 5 and 6

• 1 and 27, 2 and 13, 4 and 6

• 3 and 9, 5 and 5, 6 and 7

Write an expression for the sequence of operations described below: triple the sum of 7 and 8.

• 3 × (7 + 8)

• 3 + (7 × 8)

• (7 + 8) ÷ 3

• 3 ÷ (7 + 8)

Write an expression for the sequence of operations described below: nine increased by the quotient of five and six.

• 9 + 5 / 6

• 9 + 5 * 6

• 9 - 5 / 6

• 9 * 5 / 6

Write an expression for the sequence of operations described below: ten more than the sum of nine and six.

• 10 + 9 + 6

• 10 * 9 + 6

• 10 + 9 * 6

• 10 - 9 + 6

Write an expression for 163 plus v.

• 163 + v

• 163 * v

• 163 / v

• 163 - v

What is the volume of the rectangular prism made of unit cubes?

• 84 cubic units

• 70 cubic units

• 72 cubic units

• 90 cubic units

Carly buys caramel cubes in a box shaped like a rectangular prism. Each caramel has a volume of 1 cubic centimeter. If there are 4 layers of 24 caramels each, what is the total volume?

• 96 cubic centimeters

• 100 cubic centimeters

• 88 cubic centimeters

• 110 cubic centimeters