problem
Favourite
Two-digit targets
Age
5 to 7
Challenge level
You have a set of the digits from 0 to 9. Can you arrange these in the five boxes to make two-digit numbers as close to the targets as possible?
problem
Favourite
Largest even
Age
5 to 11
Challenge level
How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?
problem
Favourite
That number square
Age
5 to 11
Challenge level
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
problem
Favourite
Five steps to 50
Age
5 to 7
Challenge level
Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?
problem
Favourite
6 beads
Age
5 to 7
Challenge level
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?