46 mental maths puzzles designed to be completed in 30 seconds. Each puzzle has a 30, 45 and 60 second timer available in order to cater for all abilities. Click on the timer that you wish to use and it should start counting down, a noise will sound when the timer reaches 0. A homepage button will take you back to the puzzle selection screen.
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Love it! A perfect competitive time filler for mixed ability KS3 :0)
Ooooh this looks fun! Looking forward to using it, have only had a look at the first couple but they are reasonably challenging looking :)
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