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CBSE Class 8 Maths: Important Tips and Topics for SA2
Meritnation|Feb 1st, 2016 03:41pm
The SA2 or the CBSE Summative Assessment II is almost here now. You must be busy with your revisions and looking for final tips and suggestions for your Maths exam.
No need to worry because the team of experts at Meritnation has come up with some great insights into each chapter to help you with your revisions. The key points for revision and these quick tips will be extremely helpful to you in prioritising preparations and revisions for your exam. Here are chapter wise tips and tricks for CBSE Class 8 Maths:
Chapter 8 – Comparing Quantities
This is a very important chapter involving real life problems.
Important Topics:
1. Sales Tax and Value Added Tax
2. Concept of Profit Percent and Loss Percent
3. Concept of Discount
4. Formula for Calculating Compound Interest
5. Problems where the Interest is Not Compounded Annually
| MERITNATION TIPS: a)The formulas and fundamentals of profit and loss, discount should be understood with clarity. b) Avoid calculation mistakes in this chapter. c) Always draw lines for rough work on the right hand side of every page. This would minimize the chances of error in noting down the numeric value from rough calculations done on some other page of the answer sheet. d) Practise all the examples and problems given in the NCERT textbook. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 9 – Algebraic Expressions and Identities
Important Topics:
1. Using Identities for “Square of Sum or Difference of Two Terms”
2. Using Identity (x + a)(x + b)
3. Using Identity for “Difference of Two Squares”
| MERITNATION TIPS: a) Be clear of the fundamentals like monomials, coefficients, terms, factors, etc. b) Try solving the simple problems of multiplication of monomials and polynomials etc. first. c) Learn all the identities and practise as many questions as you can.. d) Avoid calculation mistakes and be attentive towards the negative sign (-) in the problems. |
Chapter 10 – Visualising Solid Shapes
You should be familiar with all the shapes in 2-dimension as well as 3-dimension.
Important Topics:
1. Polyhedron and Its Classification
2. Prisms and Pyramids
3. Euler’s Formula
| MERITNATION TIPS: a) View of the 3D shapes is an important topic. b) Take your time in finding out the right view of the given figure. c) Be confident of the figures of polyhedrons, pyramids and prisms. d) Make sure you don’t make any mistake while finding the edges, vertices and faces of the given figures. e) Draw neat diagrams. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 13 – Direct and Inverse Proportions
This chapter consists of questions related to application based questions or word problems.
Important Topics:
1. Direct Proportion
2. Indirect Proportion
| MERITNATION TIPS: a) You must be able to identify where to use direct proportion, and where inverse proportion is needed. b) Practise all the questions of the NCERT textbook, and as many as possible. c) Always mark space for rough work on the right hand side of every page. This would minimize the chances of error while noting down the numeric value from rough calculations done on some other page of the answer sheet. d) Avoid calculation mistakes. |
Chapter 14 – Factorisation
This chapter is very important and will require loads of practise.
Important Topics:
1. Factorisation of Algebraic Expressions Using Method of Regrouping Terms
2. Factorisation of Algebraic Expressions Using Identities (a + b)2, (a – b)2 and a2 – b2
3. Factorisation of Algebraic Expressions Using the Identity (x+a)(x+b)
4. Divisions of Polynomials by Polynomials Using Factorization Method
| MERITNATION TIPS: a) If you are unaware on how to solve some questions and have less time, show your effort by writing the introductory steps. b) Write the steps neatly while solving questions related to this chapter. c) Take care of the negative signs and brackets to avoid calculation mistakes. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 15 – Introduction to Graphs
Important Topics:
1. Interpretation of Line Graphs
2. Graphs of Quantity and Cost of Material
3. Graphs of Principal and Simple Interest of Amounts
4. Graphs of Time and Distance
| MERITNATION TIPS: a) Draw neat and clean graphs while constructing. b) Do not use pen while marking the points. c) Practise all the questions given in the NCERT textbook. d) Understand the basics of plotting the points in the graph, the coordinates, etc. as they form the basis for the coordinate system in higher classes. |
Chapter 16 – Playing with Numbers
Important Topics:
1. Operations on Numbers when Digits are Denoted by Letters
2. Divisibility of a Number by 5 and 10
3. Divisibility of a Number by 2, 4 and 8
4. Divisibility of a Number by 3 and 9
| MERITNATION TIPS: a) Divisibility test of numbers is a crucial topic from this unit. b) Make sure you know all the divisibility tests. c) You should know the basics of multiples and factors of numbers. d) Be thorough with the fundamentals of denoting letters for digits. e) Practise questions of letters for digits after understanding the basics since tricky questions can come from this topic. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 5 – Data Handling
Probability, pie charts and circle graphs are very important topics in this chapter.
Important Topics:
1. Interpretation of Histograms when Class Size is Same
2. Construction of Circle Graphs
3. Interpretation of Circle Graphs
4. Equally Likely Outcomes
5. Outcomes of an Experiment
6. Probabilities in Simple Experiments Using Formula
| MERITNATION TIPS: a) At least one question from circle graph will come in the exam. b) Make the circle graph neatly. c) Understand Probability well as it will help in higher classes. d) Probability should be clearly understood as it is the basis of probability in the higher classes. e) Practise as many Probability questions as you can. |
All the best with your SA2 revisions and exams!
Please take a moment to spread these tips with your friends. After all, Knowledge is the only thing that grows when shared! 🙂
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Add Comment Total Comments (5)
1. jessica | February 14th, 2016 at 3:43 pm
Thanks to meritnation for the tips they give for exams. I feel proud that I was a student of meritnation.
2. Arshiva Kashyap | February 7th, 2016 at 9:57 am
Thanks to the whole meritnation team for your blessings and tips for the exam. I will try my level best to avoid the mistakes cautioned here and will try to fill the crackes of my knowledge as I could find it through your suggestions.
Big big thanks to the whole meritnation team.
PROUD TO BE A STUDENT OF MERITNATION.
3. Rupesh kumar | February 6th, 2016 at 5:04 am
Sub:- chemistry
1. What are the advantage of periodic tables?
4. Rupesh kumar | February 6th, 2016 at 5:00 am
Subject:- s.st.
we need of democracy why?
5. Rupesh kumar | February 6th, 2016 at 4:55 am
The stars twinkle but planets do not twinkle why??
Comment