Foundations Quiz 2 Solving 1 Step Equations

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.
• Add 7 to both sides.
  The solution is x = 19.
• Multiply both sides by 7 The solution is x = 84.

Tags

CCSS.6.EE.B.7

What is the inverse operation of subtraction?

• Subtraction
• Multiplication
• Division
• Addition

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.NBT.B.9

Translate 4 more than x equals 7 into an equation and solve. 

• x+4=7
  x = 11
• x+4=7
  x = 3
• x-4=7
  x = 11
• x-4=7
  x=3

Tags

CCSS.6.EE.B.7

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

• substitution
• inverse operations
• frequency
• data analysis

Tags

CCSS.6.EE.B.7

Translate:
Five more than a number

• x + 5
• 5x
• 5 - x
• 5 divided by x

Tags

CCSS.6.EE.A.2A

Choose the variable in this equation: x - 5 = 12

• x

• subtract

• 5

• 12

Tags

CCSS.6.EE.A.2B

x - 8 = -5 

• 13
• -13
• 3
• -3

Tags

CCSS.6.EE.B.7

x + 4 = -3

• -1
• 4
• -7
• 8

Tags

CCSS.7.NS.A.1B

Select the coefficient in this equation: 14 r = 28

• 14

• r

• 28

• 2

Tags

CCSS.6.EE.A.2B

What would be the best first step to solving the equation?
-3=x+5

• add 3 to both sides
• subtract 5 from both sides
• add 5 to both sides
• subtract -5 from both sides

Tags

CCSS.6.EE.B.7