Equations Practice and Review

What is the difference between an expression and an equation

• Expressions have an equal sign and equations do not

• Equations have an equal sign and expressions do not

A variable is...

• the number in front of a letter

• a value that does not change

• numbers and letters separated by operations

• an unknown number represented by a letter

Tags

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

What operation is this:

2x

• addition

• subtraction

• multiplication

• division

Tags

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

What is the inverse operation needed to solve the following one-step equation?
y / 7 = 14

• subtraction
• addition
• multiplication
• division

Tags

CCSS.HSA.REI.A.1

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.7.EE.B.4A

What is the next step to solve this equation?
n - 4 = -2

• Add 4 to both sides of the equation

• Add n to both sides of the equation

• Subtract n from both sides of the equation

• Subtract 4 from both sides of the equation

Tags

CCSS.6.EE.B.7

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24

Tags

CCSS.7.EE.B.4A

Solve.

• x = 24
• x = 12
• x = 17.5
• x = 19.5

Tags

CCSS.7.EE.B.4A

What operation do you see in the following problem?  $\frac{h}{5}=10$  

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.HSA.REI.A.1

r/4 - 12 = -5

• 32

• 28

• -28

• 0

Tags

CCSS.7.EE.B.4A