The Main Challenge
There are five different 24game® challenges below.
For each group of four numbers, your task is to arrive at the target answer of 24 by using each of the four digits exactly once, with + – × ÷ available:
- 1 2 3 4
- 2 3 4 5
- 3 4 5 6
- 4 5 6 7
- 5 6 7 8
All five challenges are possible, can you do it?
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 & 7th rows of the playing board contain the following fourteen numbers:
2 4 9 11 14 15 22 24 27 30 40 70 72 77
What is the total when adding together all the odd numbers?
The Lagrange Challenge
Lagrange’s Four-Square Theorem states that every positive integer can be made by adding up to four square numbers.
For example, 7 can be made by 2²+1²+1²+1² (or 4+1+1+1).
There are SEVEN different ways to make 229 when using Lagrange’s Theorem. How many can you find?
The Mathematically Possible Challenge
Based on our best-selling arithmetic board game.
Using 2, 4 and 8 once each, with + – × ÷ available, which FIVE numbers is it possible to make from the list below?
6 12 18 24 30 36 42 48 54 60
#6TimesTable
The Target Challenge
Can you arrive at 229 by inserting 2, 3, 4, 5 and 7 into the gaps below?
- ◯²×◯+◯²×◯+◯ = 229
Answers can be found here.
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