Friday--Computer Lab

Number Maze--run around, pick up numbers, pick up operations (+,-,X, etc.)
and try to get to 100 as in as few moves as possible--it'd harder than you think!

http://www.interactivestuff.org/sums4fun/nummaze.html

Guess a number--guess the 3 digit number, guess again after finding out if you are too high or too low.
http://mathematics.hellam.net/maths2000/hi-low.html