The Main Challenge
Using any five numbers from 1-5 (more than once each if required) and with + – × ÷ available, can you find THREE different ways to make the target number 86?
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.
The 4th & 5th rows contain the following fourteen numbers:
3 6 7 10 16 21 32 35 44 50 54 60 81 84
What is the difference between the two largest odd numbers?
The Factors Challenge
Which TWO of the following numbers are factors of 296?
4 6 8 10 12 14 16
The Mathematically Possible Challenge
Using 8, 10 and 12 once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?
90 91 92 93 94 95 96 97 98 99
#NumbersIn90s
The Target Challenge
Can you arrive at 296 by inserting 1, 3, 5, 6 and 7 into the gaps below?
- (◯×◯+◯)×(◯²–◯) = 296
Answers can be found here.
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