More or Less Bingo
Instead of marking off your card with the number displayed, you mark off a number that's more or less than the original number. It's great for...
Bynar Computing
Number Busting
Bust the target number in as many different ways as you can. If the target is 10 then some busts might be 5+5, 6+4, 5x2 or even 22-12.How many can you...
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