You may also like

problem icon

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...

problem icon

Plum Tree

Label this plum tree graph to make it totally magic!

problem icon

Magic W

Find all the ways of placing the numbers 1 to 9 on a W shape, with 3 numbers on each leg, so that each set of 3 numbers has the same total.

Chocolate 2010

Stage: 4 Challenge Level: Challenge Level:1

Try writing an algebraic expression for the three digit number you end with.

How does each of the steps in the problem influence the final result?