fractions

The relevance of this book to my work is due to the fact that it is a terrific blend of conceptual understanding of fractions and the challenges faced in classrooms by the teacher during transaction of this concept. It made me re-visit my experiences in the field of education. This book has dual insightsdata from cited research studies as well as from classroom work and is a valuable resource both for teachers as well as for teacher educators. Threads have been tied beautifully from start to finish of each chapter.

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 or treated with so much caution that students tend to handle it with reservation. Misconceptions are a natural stage of conceptual development and should not be viewed as an undesirable occurrence. What is important is that the teacher is aware of them and addresses them to the extent possible.

“Manveen can paint a room in 3 hours and Allen can paint it in 6 hours. How much time will it take them to paint the room if they work together?”

Tangrams are popular for recreational math as well as for school math. Here are some layouts to make them from cardboards, link to (i) making a full set from one A4 sheet and (ii) various ways to use them.

This is inspired by the pullout on Multiplication in At Right Angles, Volume 3, Issue 1 where Padmapriya Shirali mentioned how the commutative, assosiative and distributive properties of multiplication can be verified visually. What appealed to us was that the methods were free from computation and could be used and imagined for any combination of whole numbers no matter how large. We got interested in exploring the properties of addition in a similar manner.

One of the most abstract concepts introduced in primary classes is Fractions. Unlike other number sets introduced until now (natural numbers and whole numbers), fractional numbers are not used for counting. They basically denote a proportion. There is much research and writing around difficulties in learning of fractions and also about its pedagogy. In this article, we shall focus only on some of the misconceptions related to fractions that children develop.

This article explains the concept of LCM visually, and also helps students appreciate why LCM needs to be used when solving certain type of problems and puzzles.

A fraction calculator that can perform addition, subtraction multiplication or division of two fractions. Simply enter the values directly into the corresponding locations and the answer will be updated in real time.

In this presentation, Swati Sircar from Shikshamitra demystifies recurring decimals - it hints which type of fractions generate them, how they are written and how to convert them to fractions.

The thumbnail cartoon is from Snodgrass.

Teaching Learning Material help visualize and understand concepts that could otherwise be difficult to grasp. Manicavassane K. shares with us his TLM designed to help students with the concept of fractions. This article was published in Thisaimani (Journey 2) - an APF-Puducherry District Institute publication.

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