Unit 3 Math Review

Pick the correct sequence of steps for Order of Operations:

• Parentheses, Multiplication/Division, Addition/Subtraction, Brackets, Braces

• Multiplication/Division, Addition/Subtraction, Parentheses, Brackets, Braces

• Parentheses, Brackets, Braces, Multiplication/Division, Addition/Subtraction

• Parentheses, Braces, Brackets, Addition/Subtraction, Multiplication/Division

Julie has 8 fish. Her friend Ashley has 2 fewer than 3 times as many fish as Julie has.

Which expression models the number of fish Ashley has?

• (8-2) x 3

• (8 x 3) - 2

• 8 - (3 x 2)

Complete the table below. The rules are "add 3" and "add 4."

(6 + 2) x (3 + 2)

• 18
• 26
• 16
• 40

18 + (6 – 2) × 2

• 26
• 29
• 44
• 40

Which grouping symbols should be first?

• brackets [ ]

• braces { }

• parenthesis ( )

• Yes

• No

A pet store sells tennis balls for $4 and chew toys for $8. Choose the number pattern for the costs of 0, 1, 2, 3, 4, and 5 tennis balls.

• 0, 4, 8, 12, 16, 20

• 4, 8, 12, 16, 20

• 8, 16, 20, 32, 40

A pet store sells tennis balls for $4 and chew toys for $8. Choose the number pattern for the costs of 0, 1, 2, 3, 4, and 5 chew toys.

• 4, 8, 12, 16, 20, 24

• 0, 8, 16, 24, 32, 40

• 8, 16, 24, 32, 40, 48