The Main Challenge
Your task is to arrive at the target answer of 7 by placing the numbers 1, 1.5, 2 and 3 into the gaps on each line:
- (◯×◯)+◯+◯ = 7
- (◯+◯–◯)×◯ = 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 2nd & 7th rows contain the following fourteen numbers:
4 8 11 17 24 27 28 30 48 55 63 64 70 77
From the list, which five different numbers have a sum of 100?
The Factors Challenge
Which of the following numbers are factors of 274?
2 4 6 8 10 12 14 16
The Mathematically Possible Challenge
Using 3, 7 and 9 once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?
80 81 82 83 84 85 86 87 88 89
#NumbersIn80s
The Target Challenge
Can you arrive at 274 by inserting 2, 4, 4, 5 and 7 into the gaps below?
- (◯+◯+◯)²+(◯+◯)² = 274
Answers can be found here.
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