Have a go at these activities which will help you get to grips with one of the main ideas about place value - that is knowing how important the position of a digit is in a number.
You have a set of the digits from 0 – 9. Can you arrange these in the 5 boxes to make two-digit numbers as close to the targets as possible?
How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?
Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?
If you put three beads onto a tens/ones abacus you could make the numbers 3, 30, 12 or 21. What numbers can be made with six beads?
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?