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The Number Game

The Number Game

Applies to: Subject: Mathematics Overview   Do birds know how to count, Ma’am? This question by a child of class 8 triggered my thoughts on ‘number sense’. This led to an interesting class session which I wish to share here with the fellow teachers. The basic...
Modelling Scutoid- A New Shape Discovered  By Scientists

Modelling Scutoid- A New Shape Discovered By Scientists

Teachers’ Diary_Modelling Scutoid As a mathematics teacher, teaching solid shapes and their surface areas and volumes to 10th grade students are a less effortless job as compared to other topics. Even the syllabus concentrates on the numerical skills of the...
The last banana: A thought experiment in probability

The last banana: A thought experiment in probability

Applies to: Subjects: Mathematics, Statistics Board Grade(s) CBSE Grade 10, ICSE Grade 9 Overview Imagine a game played with two players and two dice: if the biggest number rolled is one, two, three, or four, player 1 wins. If the biggest number rolled is five or six,...
How many ways are there to prove the Pythagorean theorem?

How many ways are there to prove the Pythagorean theorem?

Applies to: Subjects: Mathematics, Statistics Board Grade(s) CBSE Grade 10, ICSE Grade 9 Overview What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with elegant proofs for the famous Pythagorean theorem, one...
Why can’t you divide by zero?

Why can’t you divide by zero?

Applies to: Subjects: Mathematics, Statistics Board Grade(s) CBSE Grade 10, ICSE Grade 9 Overview In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have been warned not to break: don’t divide by...