Understanding Place Value

Can you find two butterflies to go on each flower so that the numbers on each pair of butterflies adds to the number on their flower?

If you put three beads onto a tens/ones abacus you can make the numbers 3, 30, 12 or 21. What numbers can be made with six beads?

Follow the clues to find the mystery number.

Can you complete this jigsaw of the 100 square?

Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?

There are six numbers written in five different scripts. Can you sort out which is which?

Find out what a Deca Tree is and then work out how many leaves there will be after the woodcutter has cut off a trunk, a branch, a twig and a leaf.

This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

There are nasty versions of this dice game but we'll start with the nice ones...