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# Number Sense and Place Value

### Two-digit Targets

### Five Steps to 50

### 6 Beads

### Largest Even

### That Number Square

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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.

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?

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?

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?

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?

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?