Maths

Algebraic Expression Terms are formed by the product of variables and constants, e.g. –3xy, 2xyz, 5×2, etc.  Terms are added to form expressions, e.g. –2xy + […]

Representation of an algebraic expression as the product of two or more expressions is called factorisation. Each such expression is called a factor of the given algebraic […]

3D shapes/objects are those which do not lie completely in a plane. 3D objects have different views from different positions. A solid is a polyhedron if […]

Length of boundary of a simple closed figure is known as perimeter. Area is the measure of region enclosed in a simple closed curve. Perimeter […]

Exponential notation is a powerful way to express repeated multiplication of the same number. Specifically, powers of 10 express very large and very small numbers in a […]

Graphical representation of data is easier to understand. A bar graph, a pie chart and histogram are graphical representations of data. A line graph displays data […]

Numbers can be written in general form. For example, a two digit number ab is written as ab = 10a + b; a three digit number […]

Discount is a reduction given on marked price. Discount = Marked Price – Sale Price (S.P.) Discount can be calculated when discount percentage is given. […]

A natural number is called a perfect square if it is the square of some natural number.i.e., if m = n2, then m is a perfect […]

A natural number is called a perfect square if it is the square of some natural number.i.e., if m = n2, then m is a perfect […]