Unit 1 Quiz Review

34 -( 45 ÷ 9 ) x 5

• 9
• 12
• 3
• 16

36 - [1 + (7 x 2)] - (3 + 1)

• 4
• 12
• 17
• 21

27 ÷ 3 + (15 - 4) x 4

• 12
• 6
• 33
• 53

“three times the sum of 8 and 5”

• 3 x 8 + 5

• 3 x (8 - 5)

• 3 x (8 + 5)

• 3 + 3 (8 + 5)

“difference of 8 and 5 divided by three”

• 8 ÷ (5 ÷ 3)

• 8 x 5 ÷ 3

• 8 - 5 ÷ 3

• (8 - 5) ÷ 3

“twice the sum of 3 and 8”

• 8 ÷ (2 + 3)

• (8 + 3)2

• (2 + 8) + 3

• (8 + 3)

“Add 7 and 3 then take away 1”

• (7 + 3)1

• 7 + 3 + 1

• (7 + 3) - 1

• + 73 - 1

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Solve for a:

-3a + 8 = 14

• a = -2

• a = -7.5

• a = 2

• a = 6

Solve for x:

2x - 3 + 4x = 27

• x = 12

• x = 4

• x = 5

• x = 15