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problem
Approaching midnight: start time
Bernard played Approaching Midnight and wondered whether the start time affects who wins.
problem
Favourite
Marbles in a box
11 to 16
How many winning lines can you make in a three-dimensional version of noughts and crosses?
article
Number sense series: developing early number sense
This article for teachers suggests teaching strategies and
resources that can help to develop children's number sense.
problem
Favourite
National flags
7 to 11
This problem explores the shapes and symmetries in some national flags.
problem
Balancing 2
11 to 14
Meg and Mo still need to hang their marbles so that they balance, but this time the constraints are different. Use the interactivity to experiment and find out what they need to do.
problem
Hand span
5 to 7
Use your hand span to measure the distance around a tree trunk. If
you ask a friend to try the same thing, how do the answers compare?
article
What does it say to you?
Written for teachers, this article discusses mathematical
representations and takes, in the second part of the article,
examples of reception children's own representations.