Unit 2 & 3 Review

Mr. Anderson had 185 pieces of wood. He sold 25 pieces of wood to his neighbor and stacked the rest of the wood into piles around his house. Each pile of wood contained 40 pieces of wood. Which equation can be used to find p, the number of piles of wood Mr. Anderson made?

• p = (185+ 25)+ 40

• p = (185- 25) -40

• p = (185 +25)× 40

• p = (185 - 25) ÷ 40

Seth’s homework assignment is to write factor pairs that contain only composite numbers. Seth wrote four factor pairs for the number 132, as shown below. Which of Seth’s factor pairs contains only composite numbers?

• 6 × 22

• 11 × 12

• 3 x 44

• 2 x 66

So far this month Nancy has the expenses and income shown in the chart. Nancy wants to buy some music online but also have a balanced budget. Based on Nancy’s current budget, what is the greatest amount of money she can spend on music?

• $10

• $35

• $140

• $5

What do the parentheses indicate in this expression?

35x(12-4)

• Multiply 35 and 12 before subtracting 4

• Subtract 35 and 4 before subtracting 35 and 12

• Multiply 35 and 12 before multiplying 35 and 4

• Subtract 12 and 4 before multiplying by 35

• 55

• 56

• 48

• 47

Which operation would you do first in the following equation?
10 - 4 ÷ 1 · 5

• Subtraction
• Division
• Multiplication
• Addition 

What is the value of this expression?
(12 + 2) x 5 + [6 x (8 - 4) ÷ 3]

• 76

• 128

• 85

• 78

five times the difference of 6 and 2

•  5 x (6-2)
• (6 / 2) -5
• (6x2) - 5

Add 12 and 18. Then, multiply by 4.

Which of the following expressions matches the statement above?

• 18 + 12 x 4

• 12 + (18 x 4)

• 12 + 18 x 4

• (12 + 18) x 4

An elementary school had 90 boxes of glue sticks. Each box had 36 glue sticks. Teachers put all of the glue sticks into bags to give to the students. They put 6 glue sticks into each bag.

Which equation can be used to find b, the number of bags the teachers can fill with these glue sticks?

• A) 90 × 36 ÷ 6 = b

• B) 90 ÷ 6 + 36 = b

• C) 36 × 90 + 6 = b

• D) 36 × 6 × 90 = b