An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
Find a great variety of ways of asking questions which make 8.
Choose any three by three square of dates on a calendar page...
My calculator has 26 memories - one per letter of the alphabet.
When I type a sequence of letters the calculator gives the product
of all the numbers in the corresponding memories. I want to put
numbers in the various stores so that when I type the word ONE it
returns 1, and when I type the word TWO it returns 2, and when I
type the word THREE it returns 3 and so on. How far can you get ?
Is there an integer above which it is impossible to get ?