Mathematics

Order of Operations

100

53-17+9-2

43

200

6x3(10x8)

1440

300

6(28/7+14/7)+8

44

400

6²+(2-9)+1-19

11

500

5²+6³-7²+8²-4³

192

Proportions

100

4(100)=20x

x=20

200

135(9)=3y

y=405

300

4(i)=22(6)

i=33

400

80n=600

n=7.5

500

4q=47.6

q=11.9

Algebra 1

100

7x+9=23

x=2

200

12=7+15x

x=1/3

300

4x=2x+4

x=2

400

2x3+a=(2x3)a

a=6/5

500

2x+6=0

x=-3

Mental Math

100

40x40

1600

200

15x15

225

300

25x25

625

400

374+94

468

500

x+9+9+9=120

x=93

WILD

100

4^x+6^x=10^x

x=1

200

24/x=32/8

x=6

300

y=2/3x-5

y=-x+10

x=9

y=1

400

4x+8y=20

-4x+2y=-30

x=7

y=-1

500

-4x-2y=-12

4x+8y=-24

x=6

y=-6