Description
The Theorem of Pythagoras activity illustrates, (through the concrete representation of triangles, rectangles, and squares), that a square built on the hypotenuse, (the longest side of a right-angled triangle), of a scalene triangle, equals the sum of the areas of two squares, built on the other two sides of the triangle.
This activity, represents three cases of the Pythagorean Theory, and is introduced to the Child after they have mastered the constructive blue triangles.
Objectives of the Theorem of Pythagoras activity
- the direct aim is to understand how the Theorem of Pythagoras works
- indirectly, children develop;
- strategies to solve problems
- how to communicate explanations logically
- and how to justify their conclusions
- creative thinking when devising ways to problem solve
- three green metal plates of various sizes, depict different stages of the theorem
- first plate, proves 2 sides of the triangle are equal;
- second plate, illustrates that the sides of the triangle are in the proportion of 3: 4: 5; and the
- third plate, known as Euclid’s Plate is an extension of the Pythagorean theorem.
- each plate has insets of the following, but the parallelograms are only found on the 3rd plate
- red square, and red rectangle
- blue square
- yellow square
- white triangle
- blue parallelogram
- yellow parallelogram
- 1st Plate, the smallest one: 19.5cm x 19.5cm x 0.025cm / (7¼” x 7¼” x 0.01″)
- 2nd Plate, the middle one: 35cm x 19.5cm x 0.025cm / (13¾” x 7¼” x 0.01″)
- 3rd Plate, the biggest one: 41.5cm x 19.5cm x 0.025cm / (16¼” x 7¼” x 0.01″)
Related Products
- the constructive blue triangles, and the constructive blue triangles activity set
- the yellow triangles for area
- use the Pythagoras board to master your multiplication times table, together with the Pythagoras activity set
Courtesy of Rising Tide Montessori
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