Mental Math
Exponents
Primes/Prime Factorization
Linear Equations
Miscellaneous (Science)
100
Compute 5 x (36 x 2) in your head.
360
100
Compute 3 x 92.
243
100
Prime factorize 63.
32 x 7
100
Solve for x: 
-27
100
What is the second element on the periodic table?
Helium
200
Compute 4 x (9 x 5) in your head.
180
200
Compute (2 - 3)51.
-1
200
Solve for x: 3x + 5 = 3x - 6.
No solution
300
Compute 25 x (12 x 8) in your head.
2400
300
Compute (5 - 2)2 + (2 - 5)3.
-18
300
Solve for x: 3x + 18 = 3x + 18.
Infinitely many solutions
300
List the order of the planets from closest to furthest from the Sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
400
Compute 25 x 23 x 2 x 5 x 2 x 4 in your head.
46000
400
Compute 
0
400
Prime factorize 35100.
22 x 33 x 52 x 13
400
Solve for z: 
No solutions
500
What is a glacial arete?
A thin ridge that forms when two cirques are adjacent to one another.