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Have a go at making these repeating patterns:
You could use the interactivity below to try out your ideas, or you could print off these sheets of triangles on coloured paper.
Try continuing the patterns. How did you know where to place the triangles?
What other repeating patterns can you make with these triangles?
Please send us some pictures of your creations.
What is the greatest number of squares you can make by overlapping three squares?
Find all the numbers that can be made by adding the dots on two dice.
Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?