The Main Challenge
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?
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 contain the following fourteen numbers:
2 3 6 10 16 20 33 42 45 48 63 70 72 77
Can you find three groups of THREE different numbers that each have a sum of exactly 100?
The Factors Challenge
Which of the following numbers are factors of 325?
5 15 25 35 45 55 65 75
The Mathematically Possible Challenge
Using 5, 6 and 12 once each, with + – × ÷ available, which are the only TWO numbers it is possible to make from the list below?
7 14 21 28 35 42 49 56 63 70
#7TimesTable
The Target Challenge
Can you arrive at 325 by inserting 1, 2, 3, 4 and 5 into the gaps on both lines below?
- (◯×◯+◯)×(◯+◯)² = 325
- (◯³+◯)×◯×(◯–◯) = 325
