The Main Challenge
This number trail contains ten arithmetical steps. Start with the number 40, then:
- subtract twenty-six
- ÷7
- ×10
- 30% of this
- multiply by 3
- two-thirds of this
- ×12
- double it
- add fifteen
- ÷3
What is your final answer?
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 6th & 7th rows of the playing board contain the following fourteen numbers:
4 5 11 12 18 20 24 27 30 33 49 56 70 77
How many multiples of 3 are on the list?
The Factors Challenge
Which is the ONLY number on the following list that is a factor of 301?
3 5 7 9 11 13 15 17 19
The Mathematically Possible Challenge
Using 3, 8 and 10 once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?
8 16 24 32 40 48 56 64 72 80
#8TimesTable
The Target Challenge
Can you arrive at 301 by inserting 2, 3, 4, 5 and 6 into the gaps below?
- ◯⁴+◯³+◯×(◯–◯) = 301
Answers can be found here.
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