Area

In mathematics, breaking up is not hard to do!

In my search for suitable projects which encompassed a wide spectrum of arithmetic, geometric and algebraic components with a focus on mensuration, I naturally turned to tangrams. This topic is a favourite for both teachers and project designers...writes Sneha Titus.

"Assessment needs to provide answers for two questions:ƒ How is the student evolving as a learner? ƒ What can I do to facilitate that learning? With the encouragement of a supportive principal, I re-worked the model for formative assessment..."

For part 1 of the article, click here.

Mr. Jagirdar finally puts to use what he had memorized: the conditions for the nature of the roots of a quadratic!

Here is another clip on atmospheric pressure. Also watch the part 1 by clicking here

Here is the first clip on atmospheric pressure. 


Here are some problems for students in Senior School. The solutions to problems posed appear in the next issue of AtRiA's problem corner.

Heron’s Formula for Area of a Triangle...Cleverly used algebra in an old familiar formula for the area of a triangle in terms of its base and height enables the formula to be restated in terms of the sides of the triangle.
Find an account of the derivation by COMAC and a number crossword by by D.D. Karopady.

 

This sections is about problems & problem solving, the life blood of mathematics. It has Fun Problems, Problems for the Middle School, and Problems for the Senior School. For each part, the solutions to problems posed will appear in the next issue.

This article describes how graph sheets can be used to introduce the concept of area to children. It demonstrates, with concrete examples, how the concept of area can be applied to certain geometrical figures, such as squares, rectangles, triangles or parallelogram.

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