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

Inverse operations ________________ each other 

undo or cancel 

One-Step Equations Addition

100

Solve 34+x=100

66

200

a+13=24

11

300

3.5+b=6.1

2.6

400

c+56=200

144

500

What are the steps for solving subtraction equations 

1.Draw the river to separate equation into 2 sides 

2. Identify the variable and operation 

3. Add (inverse operation) from both sides (solve vertically)

4. Cross out the numbers on the side with the variable

5. Check your answer

One-Step Equations Subtraction

100

j-34=200

234

200

h - 46 =898

944

300

n-6.2=15.1

21.3

400

j - 4.6 =11.7

7.1

500

What are the steps for solving addition equations 

1.Draw the river to separate equation into 2 sides 

2. Identify the variable and operation 

3. Subtract (inverse operation) from both sides (solve vertically)

4. Cross out the numbers on the side with the variable

5. Check your answer

One-Step Equations Division

100

r/6=390

2,340

200

t/30=6

180

300

r/3,500=70

245,000

400

1/4x = 11

44

500

What are the steps for solving multiplication equations 

1.Draw the river to separate equation into 2 sides 

2. Identify the variable and operation 

3. Divide (inverse operation) from both sides 

4. Cross out the numbers on the side with the variable

5. Check your answer

One-Step Equations Multiplication

100

5h=15

3

200

4x=34.5

8.625

300

8h=56.2

14.05

400

50c=50,000

1,000

500

What are the steps for solving division equations

1.Draw the river to separate equation into 2 sides 

2. Identify the variable and operation 

3. Multiply (inverse operation) from both sides 

4. Cross out the numbers on the side with the variable

5. Check your answer