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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.

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I'm Eight

Find a great variety of ways of asking questions which make 8.

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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?

Mystery Matrix

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

Can you work out which number is used twice? This will get you going.
How can you keep a check on which numbers you have used?
You could print off this sheet which has two copies of the puzzle on it.