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### Number and algebra

### Geometry and measure

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### Working mathematically

### Advanced mathematics

### For younger learners

# Ordering

### That Number Square

### Coded Hundred Square

### Spiralling Decimals

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This set of activities focuses on ordering, an important aspect of place value, and is part of our Number Sense and Place Value Feature.

Age 5 to 11

Challenge Level

How quickly can you put back the numbers on the hundred square? What's the 'best' way to do it?

Age 7 to 11

Challenge Level

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

Age 7 to 14

Challenge Level

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?