Small Rectangular Box: Creating a circle (presentation four)

How does the directress create a circle with the Small Rectangular Box?

The directress shows the child how to carry the wooden rectangular box to the floor mat, holding it correctly with two hands. She unpacks each triangle onto the floor mat, and asks the child if he remembers how to make a 12-point star with the triangles, she then asks the child to make a 12-point star. The directress will show the child that if he slides the second-longest slide along the hypotenuse which is opposite the right angle until all angles meet, it will form a circle. She shows the child how a circle can be formed by sliding the second-longest side along the hypotenuse until all of the angles have been met.

Creating a circle with the Small Rectangular Box

Creating a circle with the Small Rectangular Box

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