Or search by topic
This poster is based on the problem Elevenses.
The poster is available as a pdf.
The poster should automatically open in your browser.
This poster is also available as a .png image by clicking here.
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
Investigate how you can work out what day of the week your birthday will be on next year, and the year after...