Pre-Algebra

Challenge

100

Seven more than twice a number is 17

What is 5

200

3/9 + 3/10

What is 19/30

300

6/10 - 1/2

What is 1/10

400

Simplify 10(6a + 6b + 7) if a = 9 and b = 8

What is 1090

500

Convert 70 mi/hr to feet per minute

What is 6160 ft/min

Two Step Equations

100

2x+5=13

What is x=4

200

x/4 + 15=3

What is x=-48

300

-5-8x=43

What is x=6

400

-3+ v/6 = 5

What is v=48

500

-4x-10=10

What is x=-5

Distributive Property

100

3(2x-4)

What is 6x-12

200

-2(5+5x)

What is -10-10x

300

-12(-2x-5)

What is 24x+60

400

3x+8(-2x-4)

What is -13x-32

500

5(7x-10)-30

What is 35x-80

Multi-step Equations

100

4b+b-8=-13

What is x=-1

200

7x+4x=22

What is x=2

300

-6(1+8a)=-102

What is x=2

400

-3(7x-6)-6=-114

What is x=6

500

7m-2(1-6m)=-154

What is x=-8

Integers

100

6-9

What is -3

200

-7-15

What is -22

300

-20+-35

What is -55

400

-9-(-17)

What is 8

500

-25+13

What is -12