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# CBSE Class 9 Mathematics and Science Tips and Strategies

Jan 13, 2017 17:50 IST

CBSE Class 9, 2017 Exams are just around the corner. Thus, it’s a crucial time for the students to fine tune their preparations so as to secure the desired result. Maths and Science are among the fundamental subjects, in which students need to put more efforts. Both these subjects can’t simply be crammed but you need to follow a strategic study schedule along with tricks and tips to master these subjects.
Bringing a solution to all your confusions and problems, Jagranjosh has prepared the tips and tricks for all the chapters of Class 9 Maths and Science, that will help you to give an edge to your preparatory efforts.

CBSE Class 9 Science Tips and Strategies:
Some of the common and all time followed strategies are:
•    Make notes in points which make it easier to learn the topic at the time of revision,
•    Create a separate list of important formulae and laws,
•    Prepare flow charts at the end of every topic,
•    Practice diagrams

Following are the chapter wise tips and tricks along with important questions to make your preparations easy:
Summative Assessment – I

1. Matter In Our Surroundings
In this chapter various forms of matter, their conversion into one another and factors affecting these conversions are discussed.

2. Is Matter Around Us Pure
This chapter explains the difference between compounds and mixtures and various methods used to carry out their separation.

3. The Fundamental Undamental Unit Of Life
Human cell, its structure and its various parts are explained thoroughly in this chapter.

4. Tissues
What is a tissue? What are various types of tissues and their functions? These are the main topics of this chapter.

5. Motion
This chapter states the definition of motion and describes various terms related to it. It also explains the mathematical expressions for various terms related to motion.

6. Force And Laws Of Motion
What is a force? What causes an object to move from one place to another?  Various laws of motion. These all topics are discussed about in this chapter.

7. Improvement In Food Resources

This chapter describes the various methods implemented in improvement of crop variety, its management, animal husbandry, their health, etc.

Summative Assessment - II
1. Atoms and Molecules
This chapter includes the various concepts revolving around atoms, molecules and ions, symbols and formula of atoms and compounds along with different laws involved in chemical combinations.

2. Structure of Atom
This chapter describes how electrons, protons and neutrons were discovered and put together to give the structure of atom.

3. Work and Energy
This chapter describes the definition of work and various laws relating to work and energy.

4. Sound
This chapter explains the production and propagation of sound, its reflection and various other terms related to it.

5. Gravitation
Here the main topic talked about are gravitation and the universal law of gravitation. It also describes the various forces acting on an object when immersed in a liquid.

6. Diversity in living Organisms
Biodiversity is the key topic of this chapter. This chapter talks about the classification and evolution of various species existing in the world.

7. Why do we fall ill

In this chapter, various aspects of personal and community health are discussed. Varios diseases, their symptoms, causes, means and preventions are also explained here.

8. Natural Resources
Earth is the only planet on which life exists. Life here is possible only due the presence of air, water and land which are the factors discussed in this chapter.

CBSE Class 9 Mathematics Tips and Strategies
Some common tips to be followed are:
•    Make a list of all Maths formulae for repetitive revision.
•    Do lots of practice to achieve proficiency in Maths.

•    Solve CBSE practice papers and sample papers within the time constraints to learn time management.

Following are the chapter wise tips and tricks and important questions to make your preparations easy:

Summative Assessment - II
1. Number System

This chapter describes the various types of real numbers like natural numbers, integers, rational and irrational numbers.

2. Polynomials
Main topics involved in this chapter are: definition and various types of polynomials, their coefficients, degree of polynomials and various theorems related to them.

3. Coordinate Geometry
Main topics discussed in this chapter are cartesian plane, coordinates of a point, graph of linear equations and its applications.

4. Lines and Angles

In this chapter various types of angles are discussed with various theorems related to them.

5. Triangles
Congurant and similar triangles, right angles triangle and various other types of triangles and their properties are discussed in this chapter.

6. Introduction To Euclid’s Geometry
Euclid’s definitions, axioms and postulates are explained in this chapter

7. Heron’s Formula
Area of a triangle using Heron’s formula and its application in finding area of quadrilaterals are discussed in this chapter.

Summative Assessment - II
1. Linear Equations In Two Variables
This chapter involves the definition of linear equations, its solutions and plotting the equation on graph.

Different types of quadrilaterals, their properties and many theorems are discussed in this chapter.

3. Areas of Parallelograms and Triangles
Calculation of area of a triangle and parallelogram are discussed in this chapter.

4. Circles
This chapter describes various terms related to the circles.

5. Constructions
Construction of angles, triangles, similar triangles, etc, are described in this chapter.

6. Surface Areas and Volumes

This chapter describes how to calculate the surface areas and volumes of cubes, cuboids, spheres and right circular cylinders and cones.

7. Statistics
Topics discussed in this chapter are: Collection of data, its presentation in tabular form, grouped form, bar graphs, histograms, frequency polygons, etc. along with finding the mean, median and mode of grouped data.

8. Probability
This chapter explains the calculation of the chances of happening of an event.

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