Solving One-step Equations

Inverse Operations

100

Whats is the Inverse Operation of Subtraction

Addition

200

What is the Inverse Operation of Addition

Subtraction

300

What is the Inverse Operation of Division

Multiplication

400

What is the Inverse Operation of Multiplication

Division

500

What is the first step when solving an equation?

Isolate the Variable!

Solving Equations By Subtracting

100

Solve 34+x=-10

-44

200

a+13=-24

11

300

3.5+b=6.1

2.5

400

c+56=200

256

500

What are the steps for solving equations by Subtracting

1.Draw the river to seperate equation into 2 sides 2.Add from both sides 3.Simply Vertically 4.Check your answer

Solving Equations By Adding

100

j-34=200

166

200

46-h=898

944

300

n-6.2=15.1

8.9

400

4.6-j=1.7

2.9

500

What are the steps for solving equations by Adding

1.Draw the river to seperate equation into 2 sides 2.Subtract from both sides 3.Simply Vertically 4.Check your answer

Addition Equations #2

100

x + 19 = 24

x = 5

200

s + 11 = 50

s = 39

300

12 + m = 42

m = 30

400

n + 51 = 72

n = 21

500

15 + y = 27

y = 12

Subtraction Equations #2

100

n - 5 = 8

n = 13

200

c - 21 = 45

c = 66

300

x - 14 = 31

x = 45

400

z - 42 = 7

z = 49

500

r - 57 = 7

r = 64