Today’s Challenge
When using the numbers 2, 5 and 7 once each, with + – × ÷ available, can you list the 12 target numbers from 1-30 that are mathematically possible to achieve?
Full details of our popular arithmetic and strategy board game can be found by clicking Mathematically Possible.
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 3rd & 7th rows contain the following fourteen numbers:
4 11 13 24 25 27 30 36 42 45 66 70 77 80
Which three different numbers have a sum of 77?
Make 257 Challenge
Can you arrive at 257 by inserting 2, 4, 5, 8 and 9 into the gaps below?
◯²×◯+◯×(7+◯+◯) = 257
Answers can be found here.
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