Tag: NCERT
RATIO AND PROPORTION | Study
Pre-Requisires Test & Enrich Ratio and Proportion Comparison By Taking Difference | Speed Notes Notes For Quick Recap CHAPTER 12 Ratio and Proportion Comparison by taking difference: For comparing quantities of thesame type, wecommonly use themethod of taking difference between thequantities. Some times thecomparison by difference does not makebetter sense thanthe comparison by division. (Scroll…
CBSE 6 | Mathematics – Study – Free
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KNOWING OUR NUMBERS | Study
Pre-Requisires Test & Enrich Whole Numbers | Speed Notes Notes For Quick Recap Whole Numbers The numbers 1,2, 3, ……which we use for counting are known as natural numbers. If you add 1 to a natural number, we get its successor. If you subtract 1 from a natural number, you get its predecessor. (Scroll down…
PLAYING WITH NUMBERS | Study
Pre-Requisires Test & Enrich PLAYING WITH NUMBERS | Speed Notes Notes For Quick Recap We have discussed multiples, divisors, factors and have seenhow to identify factors and multiples. We have discussed and discovered thefollowing: (a) A factor of a number is an exactdivisor of thatnumber. (Scroll down to continue …) Study Tools Audio, Visual &…
BASIC GEOMETRICAL IDEAS | Study
Pre-Requisires Test & Enrich Basic Geometrical Ideas | Speed Notes Notes For Quick Recap Geometry Geometry is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures. A mathematician who works in the field of geometry is called a 🎉geometer. (Scroll down to continue …) Study…
UNDERSTANDING ELEMENTARY SHAPES | Study
Pre-Requisires Test & Enrich Understanding Elementary Shapes |Speed Notes Notes For Quick Recap The distance betweenthe end pointsof a line segment is its length. A graduatedruler and the divider are useful to compare lengthsof line segments. When a hand of a clock moves from one position to another position we have an examplefor an angle.…
Symmetry | Study
Pre-Requisires Test & Enrich Congruence of Triangles | Speed Notes Notes For Quick Recap Congruence: The relation of two objects being congruent is called congruence. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Chapter – 7 Congruence of Triangles SSS Congruence of two triangles: Under a given correspondence, two triangles are…
Visualising Solid Shapes | Study
Pre-Requisires Test & Enrich Visualising SolidShapes | Speed Notes Notes For Quick Recap The circle, thesquare, the rectangle, the quadrilateral and the triangle are examples of plane figures; the cube, the cuboid, the sphere, the cylinder, the cone and the pyramid areexamples of solid shapes. (Scroll down to continue …) Study Tools Audio, Visual &…
Exponents and Powers | Study
Pre-Requisires Test & Enrich Exponents and Powers Exponents | Speed Notes Notes For Quick Recap Exponents are used to express large numbers in shorter form to make them easy to read, understand, compare and operate upon. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Expressing Large Numbers in the Standard Form:…
Rational Numbers | Study
Pre-Requisires Test & Enrich Rational Numbers | Speed Notes Notes For Quick Recap Rational Number: A number that can be expressed in the form (Scroll down to continue …) Audio, Visual & Digital Content 14. Every positive rational number is greater than zero. 15. Every negative rational number is less than zero. 16. The rational…
Perimeter and Area | Study
Pre-Requisires Test & Enrich Perimeter and Area | Speed Notes Notes For Quick Recap Perimeter is the distance around a closed figure whereasarea is the part of plane occupied by the closedfigure. Area is the measure of the part of plane or regionenclosed by it. (Scroll down to continue …) Study Tools Audio, Visual &…
The Triangle And Its Properties | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Triangle A closed plane figure bounded by three linesegments. The six elements of a triangle are its three angles and thethree sides. The line segment joining a vertex of a triangle to the mid point of its opposite side is called a medianof the triangle.…
Comparing Quantities | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Comparing Quantities: Weare often requiredto compare two quantities, in our dailylife. They may be heights, weights, salaries, marks etc. To compare two quantities, their units must be the same. We are often required to compare two quantities in our daily life. They may be heights,…
Integers | Study
Pre-Requisires Test & Enrich Integers | Speed Notes Notes For Quick Recap Integers are a bigger collection of numbers which is formed by whole numbers and their negatives. You have studied inthe earlier class, about the representation of integers onthe number lineand their addition and subtraction. (Scroll down to continue …) Study Tools Audio, Visual…
Fractions and Decimals | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Fractions: 4. A fraction whose numerator is less than the denominator is called a proper fraction. 5. A fraction whose numerator is more than or equal to the denominator is called animproper fraction.…
Data Handling | Study
Pre-Requisires Test & Enrich Data Handling | Speed Notes Notes For Quick Recap The collection, recording and presentation of data help us organiseour experiences and draw inferences from them. Before collecting data we need to know what we would use it for. The data that is collected needs to be organised in a propertable, so…
Simple Equations | Study
Pre-Requisires Test & Enrich Simple Equations | Speed Notes Notes For Quick Recap An equation isa condition ona variable suchthat two expressions in the variable should have equalvalue. Thevalue of thevariable for whichthe equation issatisfied is called the solution ofthe equation. An equation remains the same if the LHSand the RHSare interchanged. (Scroll down to…
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,…
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…
