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.
The lead feature in the March 2015 issue of AtRiA is based on the theme Proof Without Words. In the Review section, Mark Kleiner discusses Edward Frenkel's Love and Math - the Heart of Hidden Reality. Thomas Lingefjard, in his article Learning Math with a DGE system, addresses a pressing need of teachers using technology in the classroom. This issue features a new author Ali Hussen whose article weaves in algebra, geometry and arithmetic. It also introduces a new series on Low Floor High Ceiling activities.The pullout continues on the Teaching of Geometry (part ii).
AtRiA's November issue celebrates the 900th anniversary of Indian mathematician Bhaskaracharya II and takes you on a walk down the history of mathematics. You'll also find articles on portfolio assessment, ciphers, and quadrilaterals, among others. The pullout in this issue is focussed on Geometry.
From tessellations and a theorem in plane geometry to Desmos, an online math application, puzzles and Pentominoes, this issue of AtRiA brings to you a range of mathematical topics. Division is the topic focussed on in the pullout.
Visual riches dominate this issue. Haneet Gandhi talks about Tessellations and the principles they derive from, and also the cultural and historical background in which they are anchored, for example, Islamic art and architecture. Punya Misra and Gaurav Bhatnagar continue their series on the pattern-filled world of Ambigrams and symmetry. The Classroom section has plenty on offer too with a puzzle and articles on assessment, approximations and decimals. In the Tech Space section, Jonaki Ghosh describes how a spreadsheet program like MS Excel can be used to explore the fascinating Fibonacci sequence, and to discover not just the Golden Ratio but also a formula for the Fibonacci numbers. The pullout this time focuses on multiplication.


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