One Step and Expressions

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

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

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

Tags

CCSS.6.EE.B.7

y/3=12

• 36
• -36
• 4
• -4

Tags

CCSS.6.EE.B.7

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.4.NBT.B.6

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.7.NS.A.3

5 less than a number is 15.

• x - 5 = 15
• 5 - x = 15
• 15 - x = 5

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Two more than 4 times a number is -18.

• 4x + 2 = -18
• 2x + 4 = -18
• 18 = 4x +2

Tags

CCSS.HSA.CED.A.3

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign
• Expressions do not have an equal sign and equations do have an equal sign
• There is not a difference
• Expressions do not have variables and equations have variables

Tags

CCSS.6.EE.A.2B