The Main Challenge
You have rolled 1, 5 and 6 on your three dice:
Part 1: What is the highest target number in the range 1-30 that is possible to achieve using these three numbers once each, and with + – × ÷ available?
Click on Mathematically Possible to gather more details of our arithmetic and strategy board game.
Part 2: Similar to Part 1, but which whole numbers in the range 1-10 can be made?
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 Top-Left to Bottom-Right diagonal contains the following seven numbers:
3 22 24 48 49 80 84
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 numbers below are factors of 365?
15 25 35 45 55 65 75 85 95 None of them
The Mathematically Possible Challenge
Using 4, 8 and 12 once each, with + – × ÷ available, which FOUR numbers is it possible to make from the list below?
2 3 5 7 11 13 17 19 23 29
#PrimeNumbers
The Target Challenge
Can you arrive at 365 by inserting 2, 3, 4, 5 and 6 into the gaps below?
- (◯²×◯+◯–◯)×◯ = 365
Answers can be found here.
Click Paul Godding for details of online maths tuition.
