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 of the most fundamental rules of geometry and the basis for practical applications like constructing stable buildings and triangulating GPS coordinates. Betty Fei details these three famous proofs.

The Reserve Bank of India has come up with a series of illustrated stories addressing the need for financial literacy among the school students in June 2007. Here is one such eBook Join Raju in his journey beyond the money tree.

Even in 2017 in the era of so-called smartboards, Eleanor Watts' The Blackboard Book holds its ground on using the blackboard space. It aims to help teachers develop two important skills:

In this presentation by Swati Sircar from Shikshamitra hints at the shapes who are behind the constructions.

Get introduced to triangles, in this presentation by Swati Sircar from Shikshamitra - what they are, what they aren't, the parts that make up a triangle and the different types of them

This book How Far is Far by Sukanya Sinha can engage the kids in understanding the concept of distance, measurement and units. Don't miss the Fun with Measuring activities at the end, which can be easily done in any classroom.

Make a paper sundial that is accurate enough to measure both hours and minutes. Also check how local latitude affects your measurement very significantly.

Here are two possible layouts of the models needed to show the following identities.

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Typically when we think of counting on two hands, we count up to 10, but fingers can contain much more information than that! This video shows how to think about counting in binary.


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