The Main Challenge
Read the following facts to work out my numerical value:
- I am a 3-digit number less than 200
- I am a multiple of 11
- Add 4 to me and I become a multiple of 5
- All my digits are different
Who am I?
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from 2 up to 84.
The 1st & 5th rows contain the following fourteen numbers:
2 6 7 9 14 15 16 21 22 40 50 72 81 84
How many square numbers are present on the list?
The Factors Challenge
Which of the following numbers are factors of 262?
2 3 4 5 6 7 8 9
The Mathematically Possible Challenge
Using 3, 7 and 9 once each, with + – × ÷ available, which are the FOUR numbers it is possible to make from the list below?
3 6 9 12 15 18 21 24 27 30
#3TimesTable
The Target Challenge
Can you arrive at 262 by inserting 2, 4, 6, 8 and 10 into the gaps below?
- ◯×(◯×◯–◯)+◯ = 262
Answers can be found here.
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