Christmas With The Polyiamonds Puzzle Family
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|Jos H. Hindriks|
|Polyiamonds share their general principles with Pentominoes, except that their basic 'cell' is the sixty-degree triangle instead of the square. The term 'Polyiamonds', derived from the word 'diamond', was introduced in 1961 by T.H. O'Beirne. Hexiamonds, Heptiamonds, and Octiamonds patterns; cutting and sewing tips.|
|Levels:||Middle School (6-8), High School (9-12), College|
|Math Topics:||Patterns/Relationships, Triangles and Other Polygons, Art|
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