Practice Mode
Season 1 challenge
Select difficulty
Example: 421 + 123 - 76 · Always included
Example: 3123 × 39 ÷ 9
Example: 123 + 45 × 23
Example: 9! - 8!
Example: 9³ - 8³ + 3⁸
Example: Square root of 15129
Example: Convert 83 to base 2
Number of problems
10
Choose between 3 and 30 questions for this practice set.
3
30