The Main Challenge
You’ve rolled the numbers 2, 2 and 2 with your three dice. Using these once each, with + – × ÷ available, which FIVE target numbers from 1-10 is it possible to make?
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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 4th column contains the following seven numbers:
3 6 20 42 63 72 77
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 is the ONLY number below that is a factor of 361?
3 5 7 9 11 13 15 17 19
The Mathematically Possible Challenge
Using 4, 8 and 12 once each, with + – × ÷ available, which FIVE numbers is it possible to make from the list below?
10 20 30 40 50 60 70 80 90 100
#10TimesTable
The Target Challenge
Can you arrive at 361 by inserting 1, 2, 2, 3 and 3 into the gaps below?
- ◯³×◯²×(◯+◯)+◯ = 361
Answers can be found here.
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