CHAPTER – 14 Practical Geometry Using the ruler and compasses, thefollowing constructions canbe made: A graduated ruler, The compasses,...

CHAPTER – 13 SYMMETRY Application in everyday life: Symmetry has plenty of applications in everyday life as in art,architecture, textile...

CHAPTER 12 Ratio and Proportion Comparison by taking difference: For comparing quantities of thesame type, wecommonly use themethod of...

CHAPTER – 10 Mensuration Perimeter is the length of the boundary of the geometric shape. In other words the distance covered along...

CHAPTER – 9 DATA HANDLING Data: A collection of numbers gathered to give someinformation. Recording Data:Data can becollected from...

Addition of Decimals: Decimalscan be added by writingthem with equal number of decimals places.Example: add 0.005,6.5 and 20.04....

Algebra: A generalization of arithmetic inwhich letters representing numbers are combined according to therules of arithmetic. We looked...

CHAPTER – 10 Mensuration Perimeter is the distance covered along theboundary forming aclosed figure whenyou go round the figure once. (a)...

CHAPTER – 9 Data HANDLING Data: A collection of numbers gathered to give someinformation. Recording Data:Data can becollected from...

CHAPTER –7 Fractions What havewe discussed? A fraction is a number representing a partof a whole. The whole maybe a single object or...

CHAPTER –6 Integers We haveseen that there are times whenwe need touse numbers witha negative sign. This is when we want to go below zero...

The distance betweenthe end pointsof a line segment is its length. A graduatedruler and the divider are useful to compare lengthsof line...

A point determines a location. It is usuallydenoted by a capital letter. A line segmentcorresponds to the shortest distancebetween two...

CHAPTER – 2 Whole Numbers The numbers 1,2, 3, ……which we usefor counting areknown as natural numbers. If you add1 to a natural number, we...

Given two numbers, one with more digits is the greater number. If the number of digits in two given numbers is the same, that...

Rest And Motion Motion: An object is said to be in motion when its position changes with time. Rest: An object is said to be at rest when...

Force : Push or pull is called Force. Example: We push or pull to open a door. Effects of Force Force can change the shape and size of an...

Basic terms and Definitions 1. Point - A Point is that which has no component. It is represented by a dot. 2. Line - When we join two...

Chapter 13 - WhyDo We Fall Ill 1. Health andits Failure The significance of Health Health is a state of complete physical, mental and...

Chapter 6 - Tissues Are plants and Animals made of same types of tissues? Plants are stationary, and hence are provided with some tissues ...

Chapter 5 - The Fundamental Unit of Life What are Living organisms made up of? All living organisms are made up of cells. Cell is...

Chapter 3- Atoms andMolecules Summary of Atoms andMolecules Law of conservation of mass: According to this law,during any physical or...

Chapter 4- Structure of Atom Summary ofStructure of Atom Ø Ø Atom is the smallest particle of an element. It has two parts: nucleus...

Chapter 12- Sound Introduction You have learnt that sound is a form of energy. It is produced by vibrations. Sound waves are...