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Pair Sums

Five numbers added together in pairs produce: 0, 2, 4, 4, 6, 8, 9, 11, 13, 15 What are the five numbers?

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Summing Consecutive Numbers

Many numbers can be expressed as the sum of two or more consecutive integers. For example, 15=7+8 and 10=1+2+3+4. Can you say which numbers can be expressed in this way?

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Big Powers

Three people chose this as a favourite problem. It is the sort of problem that needs thinking time - but once the connection is made it gives access to many similar ideas.

Exploring Coordinates and Vectors

Stage: 3 and 4

This resource is part of "Exploring mathematics on dotty grids" 

I wonder what maths can be done on dotty paper...
We can explore properties of polygons using coordinates and vectors.

Here are some ideas to get you started

Click on the images to find out more

Want to share what you've done? Got any interesting questions or ideas? 
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