Once you've had a go at the activities in our Place Value and Number Sense Feature, try the tasks below which will deepen your understanding even further.
problem
The Deca Tree
Age
7 to 11
Challenge level
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.
problem
The Thousands Game
Age
7 to 11
Challenge level
Each child in Class 3 took four numbers out of the bag. Who had made the highest even number?
problem
Four-digit targets
Age
7 to 11
Challenge level
You have two sets of the digits 0-9. Can you arrange these in the five boxes to make four-digit numbers as close to the target numbers as possible?
problem
Fingers and Hands
Age
7 to 11
Challenge level
How would you count the number of fingers in these pictures?