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Use only triangles - Mathematics

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Use only triangles

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Shapes and Designs
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पाठ 5: Shapes and Designs - The 7–piece tangram [पृष्ठ ६८]

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एनसीईआरटी Math - Magic [English] Class 3
पाठ 5 Shapes and Designs
The 7–piece tangram | Q i) | पृष्ठ ६८

संबंधित प्रश्‍न

Do the things with straight edges have corners?


Try to find things which have both straight and curved edges.


How many triangles do you have in your set? Are all of them equal in size? Find out.


Find matching sides among the following pairs of pieces.

  1. Pieces 1 and 2
  2. Pieces 2 and 4
  3. Pieces 1 and 5
  4. Pieces 2 and 5


Use only two triangles


Is any shape repeating in a particular pattern? Which ones?


Among the following, can you match the tiles with the designs that they will make on the floor? Draw lines to match.


You can also make your own tiles and use them to make your own tiling patterns. You will find some such tiles at the end of the book that you can cut out, trace and colour.


Khushboo and Hariz live in Agra. One day they went to see the Taj Mahal. The floor had the pattern shown below:

What do you think? Discuss with your friends.


Franke and Juhi's mummy has hidden a surprise gift for both of them. But she wants them to find out through a treasure hunt. She has written some instructions here. Can you help Juhi and Franke in finding their gift?

  1. Start from the tallest tree.
  2. Go forward on the pathway.
  3. From the sixth tile, turn left.
  4. After moving a few steps again you will find a plant on your right hand side.
  5. Colour the dress of the child playing closest to this plant.
  6. Start moving again from the plant.
  7. On the fourth tile, turn left again.
  8. On the way, you will find the corner of the fourth tile is broken.
  9. You will find a bat and a ball lying on the ground. Don't pick them up, just circle them.
  10. Move ahead and turn right.
  11. You will find a mango tree. A few mangoes can be seen on the tree. Colour 11 mangoes on the tree.
  12. Also draw some grass near the mango tree and start moving again on the pathway.
  13. When you go straight, you will find a house. 
  14. Behind that house there is a bag. Open it and you will find something sweet in it! Can you tell what their mother has kept in the bag?


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