Solving One-step Equations

Inverse Operations

100

What 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

When do we use inverse operations for in algebra? 

solving equations 

Solving Equations By Subtracting

100

Solve the equation: 

x + 4 = 10

The solution is: x = 6

200

Solve the equation: 

a + 11 = 24

The solution is: a = 13

300

Solve the equation:  

c + 3.5 = 6.5

The solution is: c = 3

400

Solve the equation:  

f + 56 = 200

The solution is :  f = 144

500

Solve the equation:  

r + 11 = 18.9

The solution is:  r = 7.9

Solving Equations By Adding

100

Solve the equation: 

j - 4 = 20

The solution is: j = 16

200

Solve the equation: 

h - 46 = 98

The solution is: h = 144

300

Solve the equation: 

n - 6.2 = 15.1

The solution is: n = 68.9

400

Solve the equation: 

k - 4² = 80

The solution is: k = 96

500

Solve the equation: 

m - 3 1/2  = 12

The solution is: m =15 1/2 

Solving Equations By Multiplying

100

Solve the equation: 

r6 = 10

Solution is: r = 60

200

Solve the equation: 

t30 = 6

Solution is:  t = 180

300

Solve the equation: 

r2.5 = 4

Solution is:  r = 10

400

Solve the equation: 

x111 = 3

Solution is : x = 333

500

Solve the equation: 

a2 = 12.5

Solution is: a = 25 

Solving Equations By Dividing

100

Solve the equation:  

8h = 56

Solution is:  h = 7

200

Solve the equation: 

4x = 348

Solution is:  x = 87

300

Solve the equation: 

.3y = 5.4

Solution:  y = 18

400

Solve the equation: 

1/2 c = 500

Solution is: c = 1000

500

Solve the equation: 

2.1e = 37.8

Solution is:  e = 18