### Consecutive Numbers

An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

### Calendar Capers

Choose any three by three square of dates on a calendar page...

### Latin Numbers

Can you create a Latin Square from multiples of a six digit number?

# Partial Magic

##### Stage: 3 Short Challenge Level:

The numbers along the leading diagonal total 58, which is therefore the sum of each row and each column. We can now calculate that the number to the left of 10 must be 20 and below that must be 7. Hence x=21

This problem is taken from the UKMT Mathematical Challenges.