The issue you hold in your hand may look the same as the previous eighteen issues but there are significant changes which I take pleasure in bringing to your notice. For one, At Right Angles is now a whole school math resource, instead of just a High School math resource, with only the PullOut catering to the primary section. To mark this change, we have included a discreet colour band at the top of each article; the code is given in the Contents Rage. It indicates whether the article is best suited for Primary (1- 5), Middle School (6-8), High School (9-10) or Pre-University (II-12). Please don't restrict your reading to just the section you teach; there is plenty there for all those interested in mathematics and as usual, we do our best to make the content accessible and engaging. You may notice that some of the ClassRoom articles also have a boxed item on the first page that indicates the scope of the article and the different ways that the teacher can make use of it. Again, don't let us contain your idea and imagination and do write to us if you think of innovative take-offs on our articles!
Celebrating the artist and his craft is not often associated with the science of mathematics. This issue of At Right Angles opens with just that - a series of problems based on Triangular Numbers presented by three mathematicians at the Institute of Mathematical Sciences, Chennai...
Going to the heart of the art is key to mathematics. Yes, a picture can be a powerful pedagogical tool. This issue of At Right Angles celebrates the art of the matter. Read on.
This issue of At the Right Angles celebrates the happy influx of student contributions, November 14 being the Children's Day. Read on.
Gender has often played a role in the field of mathematics with studies being conducted on whether boys are better than girls in mathematics, and why there are so few female mathematicians in the field. Which is why At Right Angles has chosen to focus on the theme 'Women in the field of math education' in this issue. And there are other stories, proofs & problems. Read on.
Symmetry, infinity & triangles are the chief ingredients that will keep you engaged in 2016's first issue of At Right Angles. By the way, the year 2016 itself is a triangular number. We are continuing with the Desmos-based activity & of course the recurring theme at AtRiA, nay mathematics itself 'How to Prove It'. Also find in the pages, the review of professor Ian Stewart's book 'Taming the Infinite'. And as a finishing touch, this issue's Pullout section addresses Word Problems, a historically an area of difficulty for school students.
Two themes dominate this issue of AtRiA: Archimedes & Magic Squares - an unlikely combination! Both are exceedingly rich topics to write about, with histories that go far back in time. Who can't be both charmed and thrilled by the story of Archimedes?
A popular mathematics magazine seems to be a paradoxical phrase, but here is our tenth issue and with a growing subscriber list, we seem to be both popular and mathematical! This issue is all about paradoxes. We also have Morley’s Miracle Part III and some stunning insights into the appearances of the 3‐4‐5 triangle, an article on Tests for Divisibility by Powers of 2, an article on Prime Generation. Check out the continuation of Low Floor, High Ceiling activity series, and the ever enchanting ‘How To Prove It’. Paper Folding and Dynamic Geometry software have blended seamlessly in Tech Space with an introductory on Conic sections. Savour the review of the book by George G Joseph, ‘The Crest of the Peacock’. And finally, a pullout on Measurement.

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