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→Concept #3 - Properties and Theorems: Pythagoras Theorem
* '''Question Corner'''
* '''Question Corner'''
==Concept #3 - Properties and Theorems: Pythagoras Theorem ==
==Concept #3 - Properties and Theorems: ==
===Learning objectives===
===Learning objectives===
# The pythogoras theorem which states that the square of the hypotenuse of a right angled triangle is equal to the sum of the squares of the other two sides.
# Thales theorem states that a line drawn parallel to any side of the triangle divides the other two sides proportionally.
===Notes for teachers===
===Notes for teachers===
# The GeoGebra file below verifies the Thales theorem <br>
# The GeoGebra file below verifies the Thales theorem
{{#widget:YouTube|id=Y-6yYsuGLoc}}
{{#widget:YouTube|id=Y-6yYsuGLoc}}
# Pythagoras' Theorem was discovered by Pythagoras, a Greek mathematician and philosopher who lived between approximately 569 BC and 500 BC. Pythagoras' Theorem states that:
# Discovered by Pythagoras, a Greek mathematician and philosopher who lived between approximately 569 BC and 500 BC. Pythagoras' Theorem states that: In any right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. That is:
In any right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. That is:
[[Image:KOER%20Triangles_html_m2f096af4.png]]
[[Image:KOER%20Triangles_html_m2f096af4.png]]
We can use Pythagoras' Theorem to find the length of the longest straw that will fit inside the box or cylinder.
We can use Pythagoras' Theorem to find the length of the longest straw that will fit inside the box or cylinder.
===Activity No # ===
===Activity No # 1. Thales theorem===
{| style="height:10px; float:right; align:center;"
{| style="height:10px; float:right; align:center;"
|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">
|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
|}
|}
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* '''Evaluation (Questions for assessment of the child)'''
* Developmental Questions (What discussion questions);
* '''Question Corner'''
* Evaluation (Questions for assessment of the child):
* Question Corner:
