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...

Days and Dates

Investigate how you can work out what day of the week your birthday will be on next year, and the year after...

Many Matildas

Stage: 3 Short Challenge Level:
See all short problems arranged by curriculum topic in the short problems collection

The name Matilda is written repetitively like this:
$$MatildaMatildaMatilda......$$What is the $1000$th letter?

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.