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An environment which simulates working with Cuisenaire rods.
In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!
Explore our selection of interactive tangrams. Can you use the tangram pieces to re-create each picture?
A simple spinner that is equally likely to land on Red or Black. Useful if tossing a coin, dropping it, and rummaging about on the floor have lost their appeal. Needs a modern browser; if IE then at least version 9.
These interactive dominoes can be dragged around the screen.
An environment that enables you to investigate tessellations of regular polygons