Percents
Square Roots
Exponents
Challenge
100
Covert 64.5% to a decimal and convert 0.02 to a percentage

0.645

2%

100

What is the square root of 121

11

100

Solve 

3^3 times 4^2

432

100

Find the square root of 529

23
200

Convert 11/20 to a percentage 

Convert 62.5% to a fraction

55%

5/8

200

x^2+50=75

Solve for x


x=5,-5

200

Write 75 x 45 as a single power

15^3

200

What power of 2 is equal to 12.5% of 

2^12

2^9

300

Find 6% of 180

10.8

300

solve

sqrt5625

75

300

simplify

(5^3*5^-4)/(25^-2)

125

300
A square has an area of 10. What is the length of its diagonal

sqrt20

400

x percent of 200 is the same as 250% of 60. What is x.

75

400

I have a triangle with sides 5, 12, and x. What is the sum of the biggest and smallest possible value of x.

13+sqrt(119)

400

write 0.064 as a single power with a fractional base and an integer power

(2/5)^3

400

3^x=5 and 4^y=7

Find 

(3^(x+2))/4^(y-1)


180/7

500

My fruit punch contains 80ml of apple juice. I both grape juice and cranberry juice to my punch. I add three times as much grape juice as cranberry juice. My punch is 20% apple juice. How much grape juice did I add.

240ml

500

What is the smallest number you can multiple 384 by and get a perfect cube.

36

500

Simplify

(12^4*18^-3)/6^3 

5/243

500

Simplify

(2^0+2^1+2^2+2^3...+2^12)/2^13

8191/8192

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