This article explains couple of important properties of triangular numbers, how they can be used in puzzle solving, and how triangular numbers are related to combinations. Concepts are explained in the form of puzzles and graphical illustrations. Triangular numbers are the count of objects that can be arranged in the form of an equilateral triangle. (Just like how square number s are the count of objects that can arranged in the form of a square).
In this article, author Srinivasulu presents readers with various insights from the large-scale learners’ assessment carried out as part of the School Choice Study by Azim Premji Foundation in 5 districts of Andhra Pradesh.
In recent times the mass media have drawn a lot of criticism for their negative influence on society, particularly children. The new generation is often seen as devoid of values, hooked to easy forms of entertainment and completely immune to the problems faced by many disadvantaged groups. As teachers and parents, we cannot do much to control the media environment our children live in.
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.
While teaching division by zero to children at class 4 or 5, we just tell students that division by zero is undefined or infinity. Seldom do we try to explain the reason behind this statement, i.e., why we sometimes say that division by zero is undefined and at others we say that division by zero is infinity. Let us understand the reasons for ourselves.
Many children find Mathematics difficult – even scary. The problem, as with many other subjects across the school curriculum, lies more often than not in the teaching-learning process itself. There are many simple ways to teach new concepts. The article shows how the abacus can be used to teach young children the concepts of carry over and borrowing.
Positive and negative numbers are concepts that students find difficult to learn and understand. However, different techniques help in the learning of this concept, especially when the teacher makes the effort to ensure that each and every child has mastered it.
How many people have we heard saying, “Maths is not my favourite subject. In fact it is a subject I hate”? However if you stop for a second and think about it, don’t we use maths in our daily lives? It is a subject we cannot avoid so let us make peace with it.