*Twitter-Length Tasks can be quickly and simply explained, yet allow for extensive exploration.*

Fill in each square in a tic-tac-toe board with a different number between 0 and 5.

That means at least some of the squares will have decimals or fractions.

Try to make as many rows and columns as possible add up to whole numbers.

- Try using numbers between 0 and 1.
- Try a 4 x 4 grid instead of a 3 x 3 grid.