1. Railroad Repair:  Try to fix all the holes in the tracks before the train comes through (just ignore the decimal points in the numbers).
2. Subtraction from 50:  Keep subtracting numbers until you get to the target number.  If you get it wrong, you'll have to start over!
3. Tri-mathalon:  Answer as many questions as you can in the time allowed - see what medal you can win!
4. Meet Lord Voldemath:  Try to answer the questions before the other wizard does - pick a level that will be challenging to you!

Super Challenge:  Golf:  Use estimation or actual answers to get the ball in the hole!