The Main Challenge
You have been given a starting number of 7. Carry out the following 28 calculations to achieve the final answer. Will you have the stamina to get it right? Here we go!
Start with 7, then:
+19 . . . one-half of this . . . +49 . . . 50% of this . . . +11 . . . ÷7 . . . ×9 . . . subtract twenty-nine . . . ÷5 . . . ×12 . . . one-third of this . . . add fourteen . . . subtract one . . . divide by three . . . –4 . . . ×4 . . . subtract fourteen . . . +1 . . . ÷3 . . . add thirty-three . . . ÷2 . . . –2 . . . +3 . . . divide by two . . . plus four . . . multiply by 1 . . . –11 . . . ×3 = ?
What is your answer?
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 7th column contains the following seven numbers:
5 9 24 28 32 50 66
Using these seven numbers exactly once each, with + – × ÷ available to use in your calculation, can you arrive at the target number of 100?
The Factors Challenge
Which FOUR numbers below are factors of 364?
3 4 5 6 7 8 9 10 11 12 13 14 15 16
The Mathematically Possible Challenge
Using 4, 8 and 12 once each, with + – × ÷ available, which THREE numbers is it possible to make from the list below?
1 8 27 64 125 216
#CubeNumbers
The Target Challenge
Can you arrive at 364 by inserting 2, 4, 5, 6 and 7 into the gaps below?
- (◯+◯+◯)×◯×◯ = 364
Answers can be found here.
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