These five clowns work in pairs. What is the same and what is
different about each pair's faces?
Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?
If the answer's 2010, what could the question be?
Can you work out the height of Baby Bear's chair and whose bed is
whose if all the things the three bears have are in the same
Using different numbers of sticks, how many different triangles are
you able to make? Can you make any rules about the numbers of
sticks that make the most triangles?
In this challenge, buckets come in five different sizes. If you choose some buckets, can you investigate the different ways in which they can be filled?
You had some very thoughtful suggestions about the possible
meanings of these drawings.
Go to last month's problems to see more solutions.
This article for teachers suggests ideas for activities built around 10 and 2010.
Can you find six numbers to go in the Daisy from which you can make all the numbers from 1 to a number bigger than 25?