Pre-Algebra Concepts Review

Which of the following is used to solve single step equations mathematically?

• substitution
• inverse operations
• frequency
• data analysis

What is the inverse operation you would use to solve:
6x = 36

• Multiply
• Divide
• Add
• Subtract

Tags

CCSS.6.EE.B.7

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

z/-7 = -7

• z = 1
• z = -1
• z = 49
• z = -49

Solve:
-4x = 24

• 20
• -20
• 6
• -6

Tags

CCSS.6.EE.B.5

What is the solution of r - 11 = 5

• 11

• 14

• 15

• 16

• x=  9   1/3
• x = 21/4
• x = 5    1/4
• None of the above

What is the solution of 3w = 30

• 6

• 9

• 10

• 12

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

11b+7=40

• 2
• 1
• 4
• 3

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7