Isolating a Variable

What is a letter used in math for an unknown value called?

• coefficient

• constant

• solution

• variable

Tags

CCSS.6.EE.A.2B

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

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

• Multiplication
• Division
• Addition
• Subtraction 

Tags

CCSS.2.NBT.B.5

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

• Multiplication

• Division

• Addition

• Subtraction

Tags

CCSS.4.NBT.B.6

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 - 62 = 123

Solve the equation.

• 185

• 61

• 7626

• 246

Tags

CCSS.6.EE.B.7

How would you isolate the variable?

x - 9 = 2

• subtract 2 from each side

• add 9 to each side

• subtract 9 from each side

• add 2 to each side

Tags

CCSS.6.EE.B.7

x - 9 = 2

• -7

• 11

• -11

• 7

Tags

CCSS.6.EE.B.7

What does it mean when a number and a variable are together with no symbol, as in the example below?

5x = 25

• It means 50something

• It means 5 times whatever x is

• It means 5 plus whatever x is

• none of the above

Tags

CCSS.HSA-SSE.A.1A

How would you isolate the variable?

5x = 25

• Subtract 5 from each side

• Add 5 to each side

• Divide both sides by 5

• Multiply both sides by 5

Tags

CCSS.6.EE.B.7