One-Step Equations Review

Addition

100

The opposite (inverse) operation of addition

Subtraction

200

x + 2 = 18

x = 16

300

x + 10 = 25

x = 15

400

x + 7 = 7

x = 0

500

36 + x = 49

x = 13

Subtraction

100

The opposite (inverse) operation of subtraction

Addition

200

x - 5 = 11

16

300

x - 6 = 12

18

400

x - 19 = 5

24

500

x - 100 = 45

145

Multiplication

100

The opposite (inverse) operation of multiplication

Division

200

2x = 24

x = 12

300

5x = 30

x = 6

400

8x = 32

x = 4

500

100x = 500

x = 5

Division

100

The opposite (inverse) operation of division

Multiplication

200

x / 3 = 4

x = 12

300

x / 2 = 11

x = 22

400

x / 7 = 3

x = 21

500

x / 20 = 30

600

Surprise :)

100

Another word for "opposite" operation

Inverse

200

When is our quiz?

Tomorrow!

300

x + 1 + 1 = 6

x = 4

400

3 + 5 ______ 6 x 2
Equal or not equal?

Not Equal

500

What's the difference between and equation and an expression?

An equation has an equal sign