Math extra credit

addition subtraction multiplication division equations

100

what is 3 x 7

21

200

365 + 98 + 13

476

300

27x12

324

400

7x13+9x12-3

196

500

12x15+23-96x3

-85

variable equations

100

h+7=15

h=8

200

4h-27=17

h=11

300

3h+12=10h-9

3=h

400

5h+9-4=2010

401=h

500

3(2h-7)=13h+14

-5=h

solutions

100

0h=13

no solution

200

7-5h=7-5h

infinite solution

300

3h+19=5h-12

one solution 

400

12h+19=3(4h-6.333....)

no solution

500

13h-7=3(4h+9)+2h

1 solution

decimals and fractions and percents

100

use 12/15 in simplest form

4/5

200

0.3x(4/5)

0.24

300

write 10 and 3/4 as a improper fraction

43/4

400

write .28x7 as a percent (of 1)

196%

500

write 127/6 + 9 as a decimal

30.1666666666...

square/cube roots and exponets

100

2^2

4

200

what is the square root of 9

3

300

what is the cube root of 1000

10

400

what is 9^3

729

500

what is the square root of 8 (round to the nearest thousandth)

2.828