The Main Challenge
Can you arrive at the target answer of 7 in both lines by using each of the numbers 0.4, 0.5, 1 and 2 exactly once in each line?
- ◯÷◯+◯÷◯ = 7
- ◯÷(◯×◯)+◯ = 7
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 & 5th rows contain the following fourteen numbers:
6 7 13 16 21 25 36 42 45 50 66 80 81 84
List four different numbers that have a sum of 100.
The Factors Challenge
Which of the following numbers are factors of 278?
4 6 8 10 12 14 None of them
The Mathematically Possible Challenge
Using 2, 7 and 10 once each, with + – × ÷ available, which are the only THREE numbers it is possible to make from the list below?
6 12 18 24 30 36 42 48 54 60
#6TimesTable
The Target Challenge
Can you arrive at 278 by inserting 1, 2, 3, 4 and 5 into the gaps below?
- (◯²×◯²–◯×◯)×◯ = 278
Answers can be found here.
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