Description
Solve each of the 10 levels by filling in the gray squares to make the difference of the black squares, both rows and columns. Careful though: boxes can have a pair that must contain the same number. Give the game your best shot!
Instructions
Black – Open, Gray – Total.
Hover over a box. Type a number.
Box A = Box A, Box B = Box B, and so on…
Highest possible number is the current level.
Have fun!
Description
A simple and easy game to test your maths skills!
Instructions
Answer the questions and see how many points you can score in a minute!