A pdf of a 25 slide PowerPoint that shows an incredible amount of things you can do with a 7 piece tangram.
It covers 2D shapes, angles, area, proportion, percentages, fractions, square-roots, symmetry, compass directions, algebra, bearings and vectors.
There is at least a weeks material for a KS3 or KS4 class and also could be used as revision. Please review it if you download it and put it to good use.
The ideas used are adaptable and could be used for other square based patterns.
If you think this is good, wait until you see the PowerPoint. It has interesting animations and some of the ideas are easier to access through animation.
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I downloaded for the vectors aspect - great resource! I have asked my students some follow up questions such as proving AEHC is a trapezium etc.
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