Today’s Challenge
. . . is taken from my popular 5puzzle game. Your task is to arrive at the target number of 22 by adding together five numbers. You are limited to using 1-5, but these can be used any number of times. Can you find the THREE ways of making 22?
For further details of the game, please click on this 5puzzle board game link.
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 2nd & 4th columns of the playing board contain the following fourteen numbers:
2 3 6 10 16 20 33 42 45 48 63 70 72 77
What is the sum of the multiples of 3?
Make 324 Challenge
Can you arrive at 324 by inserting 1, 2, 3, 4 and 5 into the gaps on both lines below?
- (◯×◯+◯+◯–◯)² = 324
- ◯³×◯×(◯+◯)÷◯ = 324
Answers can be found here.
Click Paul Godding for details of online math tuition. Wherever you are in the world, please get in touch.
