Prealgebra One Step Equations

When you solve one-step equations, you can do anything you want to one side of the equal sign, as long as...

• it is mathematical

• you do the SAME thing to the other side

• solving equations is impossible

• all numbers are negative

Tags

CCSS.6.EE.B.7

In an equation, you want to get the variable...

• on both sides of the equal sign

• to disappear

• by itself (no numbers on that side)

• to sing and dance

Tags

CCSS.7.EE.B.4A

To solve one-step equations, you have to use the ________________ operation.

• Integer
• Inverse
• Additive
• Subtractive

Tags

CCSS.6.EE.B.7

The inverse operation of addition is _______________.

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.2.NBT.B.5

What is the correct step to solve for the variable?
15 = m - 5

• add 5 to both sides
• add 15 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

Evaluate (Solve):

f-22=36

• f = 62

• f = 14

• f = 58

• f = 12

Tags

CCSS.HSF.IF.A.2

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Subtract 62 from each side. 
• Add 62 to each side.
• Multiply each side by 62.
• Add 123 to each side.

Tags

CCSS.6.EE.B.7

Solve for x.

x + 12 = 20

• x = 8

• x = -32

• x = 32

• x = -8

Tags

CCSS.6.EE.B.7

What equation matches this situation?

Robyn had some video games (v) then bought 4 more. Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

Tags

CCSS.HSA.CED.A.3

How would you solve for the variable? 20m = 100

• add 20 on both sides

• subtract 20 on both sides

• multiply by 20 on both sides

• divide by 20 on both sides

Tags

CCSS.6.EE.B.7