8th math review games

Evaluate Equations

100

y=3x+12

x=3

x=21

200

y=12x+30

x=2

x=54

300

y=30x+14

x=12

x=374

400

y=30x+78

x=14

x=499

x=499

500

y=90x+120

x=10

x=1030

one-step equations

100

x-10=5

x=5

200

x-154=1786

x=1940

300

x/250=6

x=1500

400

x/150=10

x=1500

500

x/10=199

x=1990

exponent

100

5⁴

625

200

9⁴

6561

300

7⁷

823543

400

3⁵

243

500

12⁷

35831808

scientific notation

100

1.22x10^-1

0.122

200

1.2x10¹⁰  

12000000000