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Puzzles |
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Puzzles |
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Tangram 1 |
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Equivalent areas 1 |
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Adding squares |
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Tangram 2 |
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Equivalent areas 2 |
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Sum by difference 1 |
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Tangram 3 |
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Equivalent areas 3 |
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Sum by differencia 2 |
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Figures |
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Equivalent areas 4 |
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Square of a trinomial |
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Worksheets |
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Worksheets |
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Square or rectanglr |
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Square or cross |
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Pythagoras visual 1 |
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Soma cube 1 |
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Square or star |
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Pythagoras visual l 2 |
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Soma cube 2 |
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Worksheets |
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Pythagoras visual 3 |
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Soma cube 3 |
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Pythagoras visual 4 |
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Figures |
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Worksheets |
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A curious demonstration |
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Worksheet |
