23/24 Lesson Check: 1 Step Equations

What is the goal when we are solving equations?

• Make the variable disapear
• Isolate the Variable
• Double the Variable
• Make the equation equal zero

Tags

CCSS.7.EE.B.4A

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations
• math
• variable
• PEMDAS

Tags

CCSS.6.EE.B.7

What is the inverse, or "opposite" operation of subtraction?

• Multiplication
• Division
• Addition
• Subtraction 

Tags

CCSS.HSA.REI.A.1

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

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

Tags

CCSS.6.EE.B.7

x - 9 = -2

• -7
• 11
• -11
• 7

Tags

CCSS.6.EE.B.7

What is the inverse operation of addition?

• subtraction
• multiplication
• division
• none of the above

Tags

CCSS.2.NBT.B.5

To solve the equation
x + 5 = 8
 I would ....

• subtract 5 from x
• subtract 5 from both sides
• subtract 5 from one side and add 5 to the other
• add 5 to both sides

Tags

CCSS.6.EE.B.7

n + 95 = -131

• n = -226

• n = 226

• n = 36

• n = -36

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

• Divide both sides by 11
• Multiply both sides by 11.
• Add 11 to both sides.
• Subtract 11 to both sides.

Tags

CCSS.6.EE.B.7

• 17
• 60
• 7
• -60

Tags

CCSS.6.EE.B.7