The Main Challenge
Using 2, 4 and 7 once each, with + – × ÷ available, list the ELEVEN different even-numbered target numbers that are mathematically possible to make from 2-60.
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 6th & 7th rows contain the following fourteen numbers:
4 5 11 12 18 20 24 27 30 33 49 56 70 77
List a set of four different numbers, all multiples of 3, that have a sum of 99.
Can you then also find a 2nd set of four multiples of 3 that also make 99?
The Factors Challenge
Which of the following numbers are factors of 302?
4 6 8 10 12 14 16 18 None of them
The Mathematically Possible Challenge
Using 3, 8 and 10 once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?
9 18 27 36 45 54 63 72 81 90
#9TimesTable
The Target Challenge
Can you arrive at 302 by inserting 1, 2, 3, 4 and 5 into the gaps below?
- (◯⁶–◯³)÷(◯×◯–◯) = 302
Answers can be found here.
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