One Step Equations

Add

100

x+4=10

6

200

x+15=25

x=10

300

200=125+x

x=75

400

2x+6-3=15

x=6

500

-5+7x=16

x=3

Subtract

100

20-x=10

x=10

200

4x-5=15

x=5

300

60=5x-15

x=15

400

6x-12+15=37

x=9

500

x-25=-5

x=20

Multiply

100

7x=49

x=49

200

8x=96

x=12

300

126=14x

x=9

400

9x=-72

x=8

500

-14x=-98

x=7

Divide

100

x/4=20

80

200

x/12=24

288

300

17=x/9

153

400

x/-7=22

-154

500

x/-14=-13

182

Random

100

In the classroom, there are 15 tables and 35 chairs. If there were 45 tables in the classroom, how many chairs would there be?

105 chairs

200

A triangular garden has a base of 10 feet and a height of 6 feet. What is the area of the garden?

30 feet²

300

What is the volume formula for a rectangular prism? 

l*W*H

400

When dividing fractions, we have to remember 3 things; _______, __________, ________. What are they?

Keep, Change, Flip

500

What is 40% of 75?

30