Equations

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.7.NS.A.2

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

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

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

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

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

Which equation has x=9 as a solution

• 4 + x = 12
• 5x = 45
• 2x = 20
• x + 7 = 26

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

What is the solution of r - 11 = 5

• 11

• 14

• 15

• 16

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

Solve for k:
6k = 30

• k = 36
• k = 24
• k = 180
• k = 5

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

A solution is...

• A variable that results in a true sentence

• A mathematical sentence showing two expressions are equal.

• Numbers expressed using exponents

• The value for the variable in an equation.

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3