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| ===Notes for teachers=== | | ===Notes for teachers=== |
− | ''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''
| + | #Arithmetic mean of two numbers is equal to half of their sum. |
− | | + | #The harmonic mean of any two numbers is equal to twice their product divided by their sum. |
| + | #The Geometric mean of any numbers is square root of their product. |
| + | #Geometric mean is equal to square root of their product of arithmetic mean and harmonic mean/ |
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| ===Activities=== | | ===Activities=== |