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8 Methods for Three by One

This problem in geometry has been solved in no less than EIGHT ways by a pair of students. How would you solve it? How many of their solutions can you follow? How are they the same or different? Which do you like best?

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An Introduction to Vectors

The article provides a summary of the elementary ideas about vectors usually met in school mathematics, describes what vectors are and how to add, subtract and multiply them by scalars and indicates why they are useful.

Vector Journeys

Stage: 4 Challenge Level: Challenge Level:1

The interactivity in Square Coordinates may help you to visualise tilted squares.
You can challenge yourself by playing Square It against the computer.