Classroom Resources

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What are Black Holes?Article | By I Wonder |  Oct 30, 2019 Science & Technology | 0 Likes

In the very hearts of galaxies, like our Milky Way, lurk giant black holes that sometimes evolve into monstrous powerhouses of light. How do we know that they exist?

Stories and Fun Activities to do at Home for Children by ChampakE-Book | By Champak |  Sep 29, 2020 Environmental Science, Language | 0 Likes

Champak is a popular children's magazine published since 1968.

The Generalised Pythagoras Theorem – Another ProofArticle | By At Right Angles |  Aug 20, 2020 Mathematics | 0 Likes

In this short note, we present a proof of the generalised Pythagoras theorem. We use the ‘ordinary’ Pythagoras theorem for the proof.

Theorem. In any triangle ABC, we have:

A Note on Geometric ConstructionArticle | By At Right Angles |  Aug 20, 2020 Mathematics | 0 Likes

The whole of plane geometry is based on two figures, the straight line and the circle. Both these figures are defined by two points, say A and B.

The Approach to Teaching Fractions: Misconceptions and MoreArticle | By At Right Angles |  Aug 18, 2020 Mathematics | 1 Like

Fractions have long been earmarked as a danger zone for both students and teachers – while one needs to tread carefully here, the topic should not be shied away from o

An Angle Bisector in a Right TriangleArticle | By At Right Angles |  Aug 18, 2020 Mathematics | 0 Likes


Area of Rectangle = Length × Breadth: Conversations with a 9 year oldArticle | By At Right Angles |  Aug 19, 2020 Mathematics | 1 Like

Children are taught many kinds of measures in the primary grades, like length, weight, volume, money, time and finally area and perimeter (which is nothing but measurement of length).


Classroom Resources