CodeWell

Crosswords With Numbers!Most of the clues are based on the answers to other clues, so for example 1 across may be 'Three times 2 down'. The easier lev …

X-Figure puzzles look like crosswords, but the answers are all numbers. You'll need to use math to fill in the grid, and there is a wide range of diff …

Math Gym creates puzzles designed to exercise your mental arithmetic.A series of calculations scroll up the page, and you have to work out the final a …

Similar to the numbers game on UK TV's Countdown, your goal is to calculate a target figure given six numbers and the four basic arithmetic operators …