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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.

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?

A First Product Sudoku

Age 7 to 14
Challenge Level


Produkt Sudoku Solution


First, use the numbers where there is only one factor pair of numbers 1-9. Use numbers where the factors need to overlap.

Now we can use the ones we've got to decide which way round the other factors should go. Remember that each number should appear only once in each row, column and 3x3 box.

Continue, using the rules of sudoku.