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Inverses
Vocabulary
Addition Equations
Subtraction Equations
REVIEW
(IT CAN BE ANYTHING WE HAVE LEARNED THIS YEAR!)
100

What is the inverse of addition?

Subtraction

100

In an equation what is a constant?

A number that stands alone with no variable attached.

100

Solve.

x + 3 = 6

x = 3

100

Solve

c - 4 = 7

c = 11

100

Add.

   1.03

+ 1.00

2.03

200

What is the inverse of subtraction?

Addition

200

What is a variable?

A letter that stands for an unknown amount.

200

Solve.

x + 4 = 14

x = 10

200

Solve.

x - 12 = 32

x = 44

200

Combine like terms to simplify


10y + 5x + 2y


12y + 5x

300

What is the inverse of multiplication?

Division

300

What does inverse mean?

The opposite, opposite operations

300

Solve.

27 = 9 + b

18 = b

300

Solve.

g - 11 = 59

g = 70

300

What is the value of 52 ?

25

400

What is the inverse of division?

Multiplication

400

What is an operator?

A symbol telling us to add, subtract, multiply, or divide.

400

Solve.

37 = 18 + a 

19 = a

400

Solve.

62 = y - 19

81 = y

400

Distribute and simplify your answer.


3(x + 2y)

3x + 6y

500

True or false, equal signs have inverses?

False

500

How is an equation different from an expression?

Equations have an equal sign, expressions do not have an equal sign.

500

Solve.

100 = f + 25

75 = f

500

Solve.

x - 18 = 234

x = 252 

500

Using PEMDAS (order of operations) simplify the expression.

23 + (4 - 1) x 2

14