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I opted for a second career in school education after a 17-year corporate career in India and Nigeria. After a 24-year career as a Principal and math educator in several schools around India, I retired in 2013. During my career in schools, I had the opportunity to relearn primary mathematics from an outstanding math educator, the late Shri P K Srinivasan.

He made me realise that though I could “do” mathematics, there were many concepts that I had not understood, even in K-8 mathematics. My learning association with him lasted more than 15 years. During that time and till 2015, I conducted more than 50 teacher training programs under the theme “Understanding Primary Math for Effective Teaching”. These programs were much appreciated by many teachers.

After my retirement, I decided to write down my understandings of K-8 mathematics as a book. The work got completed in 2020. The entire book has come to about 280 chapters divided into 38 sections roughly following the K-8 math curriculum. Each section is about a specific topic area. Each chapter is only 1 or 2 pages long. The details of how I came to write this book, are described in the first section “Introduction & Background”.

I also wanted these ideas to be easily accessible to any teacher who may want to read and incorporate them into their teaching. That is the genesis of this website. I sincerely thank Sridhar Rajagopalan of Educational Initiatives (EI) for designing this website and uploading the files, in the midst of his several professional responsibilities.

I firmly believe that students would find math easy and enjoyable, if they understand the underlying concepts. In these articles, readers would find explanations of concepts underlying different types of numbers, geometrical shapes and various other topics in the K-8 curriculum. Generally, they would not find explanations of computational procedures or algorithms unless these are used as examples to explain underlying concepts.

There are also many articles for both student and teacher enrichment. The student enrichment topics may not be part of their curriculum, but they can be easily understood and provide a window into more advanced topics as well as the the fascinating world of math.

There are at least two ways to access the content. A quick way is to search for words & phrases through the Search Panel on the top right hand side of the screen. The other way is to browse the Topic Index. Files which are in the nature of annexures, have their names suffixed with "(A)".

I would really appreciate your feedback and /or observations. Please share them by either emailing me at sundaram021148@gmail.com or visiting my FB page "Primary Math Is Easy" at https://www.facebook.com/Primary-Math-Is-Easy-by-S-Sundaram-100473868765978

Please go to the Topic Index to start reading.