Math Probe Review

Exponents

100

What is 2^3?

2X2=4X2=8

200

What is 8^2?

8X8=64

300

What is 7^3?

7X7=49X7=343

400

What is 10^3?

10X10=100X10=1,000

500

What is 9^3?

9X9=81X9=729

Solve for X

100

X + 27= 49

X=22

200

X-25=58

X=83

300

25X=75

X=3

400

X ÷ 4=52

X=208

500

15=2X +5

15-5=10÷2=5

Decimals

100

Convert .49 to a fraction

49/100

200

.14÷.2=

.7

300

1.22X.3=

.366

400

Convert .79 to a percent

79%

500

What percent is 1.22?

122%

Fractions

100

1/2 X 3/7=

3/14

200

2/3 ÷ 4/6=

12/12=1

300

4/6 - 1/2 =  Reduce your answer

2/12=1/6

400

2 1/3 + 5/6=

57/18

500

4 1/2 + 6 1/3= convert your answer back to a mixed number

65/6=10 5/6

Random

100

convert to a decimal 7/8

.875

200

What is 40% of 70?

.4X 70=28

300

x/2=5

X=10

400

2.24 ÷ 3.2 =

.7

500

4 5/7  - 3 2/6 = convert answer back to a mixed number and reduce the fraction.

58/42 = 1 16/42  1 8/21

or 4-3=1

5/7 - 2/6=16/42 reduced to 8/21