A2: Unit 1 Review

Solve: (3+12)-3²

• 4

• 6

• 2

• 7

Which operation would you do first in the following equation?

10 - 4 ÷ 1 x 5

• Subtraction

• Division

• Multiplication

• Addition

15 + 7 × 2 – 11 + 35=

• 38
• 251
• 53
• 50

Solve the following:
(2 + 7 - 1) ÷ 2²

• 16
• 2
• 72.25
• 8.75

40 - 2⁴ + 8

• 40
• 32
• 24
• 42

 $5^2-10\div2\times4$  

• 4

• 5

• 80

• 160

Solve!

• 1
• -1
• 0
• 27

x² - xy if x = 8 and y = -3

• 88

• 40

• -8

• -24

-7w² + 2w if w = -4

• 104

• -64

• -120

• 120

a²-b²Evaluate if a=4 and b =-2

• 4
• 20
• -4
• 12