The Main Challenge
Using 1, 3 and 5 once each and with + – × ÷ available, which THIRTEEN target numbers from 1-30 are mathematically possible to make?
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from 2 up to 84.
The 4th & 7th rows contain the following fourteen numbers:
3 4 10 11 24 27 30 32 35 44 54 60 70 77
Find THREE sets of three different numbers that each have a sum of 77.
The Factors Challenge
Which TWO numbers from the following list are factors of 286?
3 5 7 9 11 13 15 17 19
The Mathematically Possible Challenge
Using 2, 7 and 10 once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?
60 61 62 63 64 65 66 67 68 69
#NumbersIn60s
The Target Challenge
Can you arrive at 286 by inserting 2, 4, 5, 8 and 9 into the gaps below?
- (◯+◯)×√◯×(◯+◯) = 286
Answers can be found here.
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