TANGRAMS. THE LEGEND… closed TANS Builds spatial visualization skills and conceptual development,...

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tANGRAMS

Transcript of TANGRAMS. THE LEGEND… closed TANS Builds spatial visualization skills and conceptual development,...

tANGRAMS

THE LEGEND…

closed

TANS

• Builds spatial visualization skills and conceptual development, while providing excitement for each participant!

• Tangrams build mathematical and problem solving skills.

• Improves shape recognition and spatial reasoning while solving challenging puzzles.

• It is one of the classic puzzles, appealing to young and old, the serious and the carefree.

REASONS WHY YOU SHOULD USE TANGRAMS IN YOUR

CLASSROOM:• Understand area without the use of

formulas• Compute the area of polygons by

decomposition• Become familiar with the names of certain

polygons (eg. Rectangle, trapezoid, and pentagon)

• Develop geometric intuition• Etc…

Fractions:

• Eg:

Since two small triangles can be placed together to make the square, the small triangle is ½ of the square.

+

Pythagorean Theorem

A

B

C

3 simple Rules:

1. Must use all 7 tans

2. They must lay flat

3. They must touch and none may overlap

Can you…

…Construct the first letter of your name using

Tangrams???

Why are Tangrams so popular?

• their simplicity makes them accessible to everyone

• the figures are appealing to visually inclined people

• many of the designs are adaptable to quilting and other arts and crafts projects

• AFFORDABLE!!!! Etc…