Cubes And Cube Roots | Study
Pre-Requisires Test & Enrich Cubes and Cube Root | Speed Notes Notes For Quick Recap Cube number: Number obtained when a number is multiplied by itself three times. 23 = 2 x 2 x 2 = 8, 33 = 3 x 3 x 3=27, etc. Numbers like 1729, 4104, 13832, are known as Hardy –…
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…
Algebraic Expressions And Identities | Study
Pre-Requisires Test & Enrich Algebraic Expressions and Identities | Speed Notes Notes For Quick Recap Expressions are formed from variables and constants. Constant: A symbol having a fixed numerical value. Example: 2,, 2.1, etc. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Variable: A symbol which takes various numerical values. Example:…
Rational Numbers | Study
Pre-Requisires Test & Enrich Rational Numbers | Speed Notes Notes For Quick Recap Rational numbers are closed under the operations of addition, subtraction and multiplication, But not in division. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content The operations addition and multiplication are(i) commutative for rational numbers. (ii) associative for rational…
Linear Equations In One Variable | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap A statement of equality of two algebraic expressions involving one or more variables. Example: x + 2 = 3 Linear Equation in One variable: The expressions which form the equation that contain single variable and the highest power of the variable in the equation is…
CBSE 9 | Mathematics – Study – Premium
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LINES AND ANGLES | Study
Pre-Requisires Test & Enrich Lines And Angles | Speed Notes Notes For Quick Recap Basic Terms And Definitions 1. Point – A Point is that which has no component. It is represented by a dot. A point is shown with a capital letter. Examples: A, B, C ….. Colinear And Non-colinear Points 5. Collinear points:…
QUADRILATERALS | Study
Pre-Requisires Test & Enrich Quadrilaterals | Speed Notes Notes For Quick Recap Quadrilateral Any closed polygon with four sides, four angles and four vertices are called Quadrilateral. It could be regular or irregular. (Sroll down to continute …) Study Tools Audio, Visual & Digital Content Revision Notes – CBSE 09 Math – Quadrilaterals Angle Sum…
HERON’S FORMULA | Study
Pre-Requisires Test & Enrich Heron’s Formula | Speed Notes Notes For Quick Recap Perimeter Perimeter is defined as the outside boundary of any closed shape. To calculate the perimeter of a given shape we need to add all the sides of the shape. Example: The perimeter of a rectangle is the sum of its all…
INTRODUCTION TO EUCLID’S GEOMETRY | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Introduction to Euclid Geometry The necessity of geometry had been felt from ancient times in different parts of the world. The practical problems faced by people of ancient civilization had developed this branch of mathematics. Let us cite few examples. With floods in the river,…
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