Show:
One-Step Equations +
One-Step Equations -
One-Step Equations Mutiply
One-Step Equations Divide
Mystery
100

What is the inverse operation of addition?

Subtraction

100

What is the inverse operation of subtraction?

Addition

100

What is the inverse operation of multiplication?

Division

100

What is the inverse operation of division?

Multiplication

100
Solve. (6 + 2) - 4 = ?

4

200

 v + 3 = 11

v = 8

200

20=r - 6.56

r = 26.56

200

6d = 30

d = 5

200

6=s/2

s = 12

200
4.4 x 2.1 =9.24?

9.24

300

f + 7.32 = 10.32

f = 3

300

x - 40=34

x = 74

300

7c = 105

c = 15

300

y/91=3

y = 273

300
3m + 7n = 50


What would you call this problem?

An equation 

400

56+x=101

x = 45

400

x - 6.4=28

x = 34.4

400

3.6 = 4r

r = 0.9

400

1.4=a/2

a = 2.8

400

2/3 divided by 1/5 = ?

10/3 

500

x + 136=203

x = 67

500

x - 4/5=2 2/5

x = 3 1/5

500

8x=36

x = 4.5

500

r/81=4

r = 324

500
What is the unit rate of 40 miles/2 hours?

20 miles per 1 hour.