Today’s Challenge
Using 2, 5 and 6 just once each, and with + – × ÷ available, which are the only THREE target numbers from 20-30 inclusive that are mathematically possible to achieve?
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 1st & 2nd rows of the playing board contain the following fourteen numbers:
2 8 9 14 15 17 22 28 40 48 55 63 64 72
List THREE different numbers that total 100.
Make 3 Challenge
Can you arrive at 3 by inserting 1, 4, 6 and 8 into the gaps on each line?
- ◯+◯+◯–◯ = 3
- (◯×◯)÷(◯×◯) = 3
- (◯+◯)÷◯+◯ = 3
- ◯–(◯÷◯+◯) = 3
- ◯–◯²–◯²÷◯ = 3
Answers can be found here.
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