Introduction to Exponents and Powers The exponents tells us that how many times the number should be multiplied. It is called the Exponential form. This is written like this: Here 10 is the base and 9 is the exponent and
Read MoreMensuration It is all about the measurement of area, perimeter and volume of the plane and solid figures. Area The surface covered by the border line of the figure is the area of the plain shape. Unit of the area
Read MoreTwo-dimensional shapes Plane figures with only two measurements –length and width are called 2-D shapes. Three-dimensional shapes Solid figures with three measurements –length, width and height are called 3D shapes. Views of 3D-Shapes As the 3-D shapes are solid in
Read MoreAlgebraic Expression Any mathematical expression which consists of numbers, variables and operations are called Algebraic Expression. 1. Terms Every expression is separated by an operation which is called Terms. Like 7n and 2 are the two terms in the above figure. 2.
Read MoreDiscount is a reduction given on marked price.Discount = Marked Price – Selling price. Discount can be calculated when the discount percentage is given.Discount = Discount % of marked Price. Additional expenses made after buying an article are included in
Read MoreThe number which can be expressed as the sum of two cubes in different ways is said to be a Hardy – Ramanujan number. 1729 = 1728 + 1 = 123 + 13 1729 = 1000 + 729 = 103 + 93 As
Read MoreSquare Number Any natural number ‘p’ which can be represented as y2, where y is a natural number, then ‘p’ is called a Square Number. Example 4 = 22 9 = 32 16 = 42 Where 2, 3, 4 are the
Read MoreIntroduction to Data Handling Data handling means to collect and present the data so that it could be used in further studies and to find some results. Data Any information collected in the form of numbers, words, measurements, symbols, or
Read MoreA quadrilateral has some measurements like – 4 sides, 4 angles and 2 diagonals. We can construct a unique quadrilateral if we know the five measurements. 1. If the four sides and a diagonal of the quadrilateral are given. Example
Read MoreAlgebraic Expressions Any expression involving constant, variable and some operations like addition, multiplication etc is called Algebraic Expression. A variable is an unknown number and generally, it is represented by a letter like x, y, n etc. Any number without any variable is
Read More