See the complete list of activities at the bottom of the page.

number puzzles [mathematical operations] [4]

number puzzles [10] [mathematical operations] [4]
[News Flash]
Within the 3 x 3 grid there are 4 opposite sets of numbers [42 - 19] [16 - 6] [18 - 7] [10 - 3]. What mathematical operation can you type into the middle frame [?] which will connect ALL of the numbers? To start the sequence again just refresh the page.