Poon Kin Keung

Rectangle_03
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Poon Kin Keung
Rectangle_02
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Poon Kin Keung
Rectangle_01
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Poon Kin Keung
A ruler
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Poon Kin Keung
Area of overlapped region of two regular hexagons
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Poon Kin Keung
Problem solving activity 1: Area of the overlapped region
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Poon Kin Keung
Reduction of a fraction
Activity
Poon Kin Keung
Pi Approximation
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Poon Kin Keung
Rolling a Circle
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Poon Kin Keung
Curve stitching on a unit circle
Activity
Poon Kin Keung

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