### Exploring Wild & Wonderful Number Patterns

EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.

### Sending Cards

This challenge asks you to investigate the total number of cards that would be sent if four children send one to all three others. How many would be sent if there were five children? Six?

### Dice and Spinner Numbers

If you had any number of ordinary dice, what are the possible ways of making their totals 6? What would the product of the dice be each time?

# Book Codes

### Why do this problem?

This problem could intrigue some children. It gives plenty of practice in multiplication and addition.

### Key questions

When was the book published?
Do the numbers have any factors in common?
Do you know how to check that a number is divisible by 2, 3, 4, 5 ...?

### Possible extension

Some children could research the properties of more recent ISBNs.

### Possible support

Using a calculator will free up some children for thinking!