The Main Challenge
… is a Kakuro-type puzzle. Apart from 98751 (or 9+8+7+5+1), there are FIVE other ways of making 30 when combining and adding together five unique digits from 1-9. Can you list those five combinations?
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 3rd & 4th rows contain the following fourteen numbers:
3 10 13 25 32 35 36 42 44 45 54 60 66 80
List FOUR different numbers that have a sum of 100?
The Roll3Dice Challenge
From six of the seven groups of numbers below, it is possible to make today’s target number of 6 when each number in the group is used once and + – × ÷ is available:
- 1 1 3
- 1 3 4
- 2 4 5
- 2 6 6
- 3 3 6
- 4 4 4
- 5 5 6
Which is the only group that CANNOT make 6?
The Mathematically Possible Challenge
Using 4, 5 and 10 once each, with + – × ÷ available, which is the ONLY number that is possible to make from the list below?
8 16 24 32 40 48 56 64 72 80
#8TimesTable
The Target Challenge
Can you arrive at 6 by inserting 1, 2, 3 and 4 into the gaps on each line?
- ◯÷◯+◯+◯ = 6
- (◯×◯)÷(◯×◯) = 6
- (◯÷◯–◯)×◯ = 6
- (◯²+◯²–◯²)÷◯² = 6
Answers can be found here.
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