1-Step Equations

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

• on one side
• to disappear
• by itself

Tags

CCSS.7.EE.B.4A

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = 4
• x = 84

Tags

CCSS.6.EE.B.7

What is the inverse of subtraction?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.6.EE.B.7

Why do you add 7?

• To undo addition, you subtract.

• To balance the equation, you subtract 7 on both sides.

• To undo subtraction, you add.

• To balance the equation,you add 7 to both sides.

Tags

CCSS.HSA.REI.A.1

Why do you subtract 14 on both sides?

• To undo addition, you subtract.

• To balance the equation, you subtract 14 on both sides.

• To undo subtraction, you add.

• To balance the equation,you add 14 to both sides.

Tags

CCSS.HSA.REI.A.1

How do you solve this equation?

• add 21 to both sides

• add 6 to both sides

• subtract 21 from both sides

• subtract 6 from both sides

Tags

CCSS.6.EE.B.7

What is the inverse operation of addition?

• subtraction

• multiplication

• division

• addition

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.NBT.B.9

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

Solve the equation: y + 13 = 24

• y = 12

• y = 10

• y = 11

• y = 14

Tags

CCSS.6.EE.B.7