Lines and Angles | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap We recall that (i) A line-segment has two end points. (ii) A ray has only one end point (its vertex);and (III) A line has no end points on either side. An angle is formed when two lines (or rays or line-segments) meet. Study Tools Audio,…
Mensuration | Study
Pre-Requisires Test & Enrich Mensuration | Speed Notes Notes For Quick Recap Perimeter: Length of boundary of a simple closed figure. Perimeter of Rectangle = 2(l +b)Perimeter of Square = 4aPerimeter of Parallelogram = 2(sum of two adjacent sides)Area: The measure of region enclosed in a simple closed figure. Area of a trapezium = half…
Understanding Quadrilaterals | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap A quadrilateral has 10 parts – 4 sides, 4 angles and 2 diagonals. Five measurements can determine a quadrilateral uniquely. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Curve: Curve is a figure formed on a plane surface by joining a…
CBSE 8 | Mathematics – Study – Premium
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Direct And Inverse Proportions | Study
Pre-Requisires Test & Enrich Direct and Inverse Proportions | Speed Notes Notes For Quick Recap Variations: If the values of two quantities depend on each other in such a way that a change in one causes corresponding change in the other, then the two quantities are said to be in variation. (Scroll down to continue…
Factorisation | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Factorisation: Representation of an algebraic expression as the product of two or more expressions is called factorization. Each such expression is called a factor of the given algebraic expression. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content When we factorise an…
Introduction to Graphs | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Graphical presentation of data is easier to understand. Study Tools Audio, Visual & Digital Content Introduction to Graphs A line graph displays data that changes continuously over periods of time. A line graph which is a whole unbroken line is called a linear graph. For…
Exponents And Powers | Study
Pre-Requisires Test & Enrich Exponents and Powers | Speed Notes Notes For Quick Recap Numbers with exponents obey the following laws of exponents. Very small numbers can be expressed in standard form using negative exponents. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Use of Exponents to Express Small Number in…
Data Handling | Study
Pre-Requisires Test & Enrich Data Handling | Speed Notes Notes For Quick Recap Data Handling: Deals with the process of collecting data, presenting it and getting result. Data mostly available to us in an unorganised form is called raw data. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Grouped data can…
Comparing Quantities | Study
Pre-Requisires Test & Enrich Comparing Quantities | Speed Notes Notes For Quick Recap Ratio: Comparing by division is called ratio. Quantities written in ratio have the sameunit. Ratio has no unit. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Equality of two ratios is called proportion. Product of extremes = Product…
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