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Dynamic puzzles and tangrams

International team MMM. Dynamic puzzles and tangrams. Monika Schwarze Pestalozzi Gymnasium Unna. Example of a puzzle. Try to make a rectangle whose length is twice the broadth. Click into the puzzle to try it out with GeoGebra or download the file. How to construct?.

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Dynamic puzzles and tangrams

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  1. International team MMM Dynamic puzzles and tangrams Monika Schwarze Pestalozzi Gymnasium Unna

  2. Example of a puzzle Try to make a rectangle whose length is twice the broadth. Click into the puzzle to try it out with GeoGebra or download the file

  3. How to construct? This puzzle of 7 pieces shall be constructed.All pieces of the puzzle should be constructed so that they are movable and turnable in the GeoGebra plane.

  4. Construction: step 1 Construct a retangle consisting of two squares. All edges of the 7 pieces have to be constructed (and remain stable when you drag on points A or B).

  5. Construction: step 2 1 Hide all lines. And now you construct a dragable and turnable copy of the triangle 1. - Draw the triangle ABG with the command „polygon“. • Draw then a stable polygon by clicking on A,B,G, A and then directly in the interior of the triangle ABG. • Then you get triangle 2. You can move & turn it! triangle 2

  6. Construction: step 3 Construct the other parts in the same way. Start e.g. for the square with points I and E so that not all points for dragging the pieces will lay at the same position.

  7. Construction: step 4 • Color all construced copies of polygons. • Mark all points that make the pieces turnable with a big, black cross. • Then hide all other lines and points. • Change the position of the puzzle pieces by moving and turning. • That‘s it!

  8. This is the dynamic puzzle

  9. Ideas for your puzzle picture More ideas on the internet by using google pics Good luck and have fun!

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