# Tag: Mathathematics

• ## Copy of Class 10 | Science | All In One

FREE Educational Tools Resources More Feature Pre-Requisites Test & Enrich Study Tools Audio Visual & Digital Content Testing Tools Assign, Assess & Analyse Interactive Tools Ask, Answer & Discuss Speed Notes Notes For Quick Revision E-book Chapterwise Textbook Assignment Tools Testing Tools To Assign, Assess & Analyse NCERT Solutions Solved Exercises NCERT Exemplar HOTS Questions…

• ## Class 10 | Mathematics | All In One

FREE Educational Tools Course Features Personalised Education Pre-Requisites Test & Enrich Study Tools Audio Visual & Digital Content Testing Tools Assign, Assess & Analyse Interactive Tools Ask, Answer & Discuss Speed Notes Notes For Quick Revision E-book Chapterwise Textbook Assignment Tools Testing Tools To Assign, Assess & Analyse NCERT Solutions Solved Exercises NCERT Exemplar HOTS…

• ## BASICS OF 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…

• ## ALGEBRA | Study

Pre-Requisires Test & Enrich Algebra | Speed Notes Notes For Quick Recap Algebra: A generalization of arithmetic in which letters representing numbers are combined according to the rules of arithmetic. We looked at patterns of making letters and other shapes using matchsticks. We learnt how to write the general relation between the number of matchsticks…

• ## 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…

• ## INTEGERS | Study

Pre-Requisires Test & Enrich Integers | Speed Notes Notes For Quick Recap We haveseen that there are times whenwe need touse numbers witha negative sign. This is when we want to go below zero on the number line. These are called negative numbers. Some examples of their use can be in temperature scale, water level…

• ## FRACTIONS | Study

Pre-Requisires Test & Enrich Fractions | Speed Notes Notes For Quick Recap What havewe discussed? A fraction is a number representing a partof a whole. The whole maybe a single object or agroup of objects. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Whenexpressing a situation of counting partsto write a…

• ## DECIMALS | Study

Pre-Requisires Test & Enrich Decimals | Speed Notes Notes For Quick Recap To understand the parts of one whole (i.e. a unit) we represent by a block divided into 10 eaual parts means (1/10) th of a unit. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Addition of Decimals: Decimalscan be…

• ## DATA HANDLING | Study

Pre-Requisires Test & Enrich Data Handling | Speed Notes Notes For Quick Recap Data: A collection of numbers gathered to give someinformation. Recording Data:Data can becollected from different sources. Pictograph: The representation of data through pictures of objects. It helps answer the questions onthe data ata glance. (Scroll down to continue …) Study Tools Audio,…

• ## MENSURATION | Study

Pre-Requisires Test & Enrich Mensuration | Speed Notes Notes For Quick Recap Perimeter is the length of the boundary of the geometric shape. In other words the distance covered along theboundary forming aclosed figure whenyou go round the figure once. (a) Perimeter of arectangle = 2 × (length + breadth) (b) Perimeter of a square…

• ## 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 usefor counting areknown as natural numbers. If you add1 to a natural number, we get itssuccessor. If yousubtract 1 froma natural number, you get itspredecessor. (Scroll down to continue …) Study Tools Audio, Visual…

• ## 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.…

• ## 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 &…

• ## 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 &…

• ## 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:…

• ## 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,…

• ## 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,…

• ## 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…

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