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CBSE Class 9 Maths: Important Tips and Topics for SA2
Meritnation|Feb 2nd, 2016 01:18pm
SA2 exams are inching closer day by day. Students are engrossed in their books and revision notes, reading the chapters and practicing questions. Practice becomes all the more relevant when it comes to Mathematics.
To help you with your SA2 exams, our team of experts at Meritnation have created a list of tips and tricks to help you solve the Maths mystery and score more than 90 per cent marks!
Chapter 4 – Linear Equation in Two Variables
Important Topics:
1. Plot the graphs of linear equations in two variables
2. Solve problems related to graphical solution of linear equations in two variables
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MERITNATION TIPS: a) Mark the points neatly in the graph. b) Avoid careless mistakes while finding the solution to the equations. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 8 – Quadrilaterals
Important Topics:
1. Prove and use that “the diagonals of a parallelogram bisect each other” and its converse
2. Prove and use that “a quadrilateral is a parallelogram if a pair of opposite sides is equal and parallel”
3. Solve problems involving the mid point theorem and its converse
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MERITNATION TIPS: a) Practise all questions and examples from the NCERT textbook. b) Be thorough with the properties of the parallelogram and its applications. c) Draw neat and proper diagrams with labels. |
Chapter 9 – Areas of Parallelograms and Triangles
Important Topics:
1. Prove and use that “Parallelograms on the same base and between the same parallels are equal in area”
2. Prove and use that “If a parallelogram and a triangle lie on the same base and between the same parallels, then the area of the triangle is one-half the area of the parallelogram”
3. Prove and use that “Two triangles on the same base (or equal bases) and between the same parallels are equal in area”
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MERITNATION TIPS: a) Practise all questions and examples from the NCERT textbook. b) Show your effort by writing at the introductory steps and sketch out figures/diagrams/tables relevant to the questions when running short of time. c) In case you get stuck while solving any question, don’t panic. Leave appropriate space and don’t cross out some of the steps that you may have written. This ensures that even if you don’t find time to solve this question, the examiner will give some marks as stepwise marking system is followed in this exam. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 10 – Circles
Important Topics:
1. Prove and use the theorem “equal chords of a circle subtend equal angles at the centre” and its converse
2. Prove and use the theorem “equal chords of a circle (or of congruent circles) are equidistant from the center (or centers)” and its converse
3. Use the property that “Congruent arcs (or equal arcs) of a circle subtend equal angles at the center” to solve problems
4. Prove and use the theorem “the angle subtended by an arc at the centre is double the angle subtended by it at any point on the remaining part of the circle”
5. Prove and use the theorem “The sum of either pair of opposite angles of a cyclic quadrilateral is 180º” and its converse
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MERITNATION TIPS: a) Draw neat figures wherever needed. b) Theorems should be written in a proper format. c) While answering the questions, make sure that all the steps are written along with the reason. |
Chapter 11 – Construction
Important Topics:
1. Construct Angles of Special Measures Using Ruler and Compass and verify the validity of the construction
2. Construct a triangle given its base, sum/difference of the other two sides and one base angle; and understand the reasoning behind the construction
3. Construct a triangle given its perimeter and the base angles; and understand the reasoning behind the construction
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MERITNATION TIPS: a) Use only sharpened pencils for constructions. b) Make a rough figure of the question asked, then proceed with the actual diagram. c) After the diagram is formed, do not forget to name it. d) Steps of construction should be according to the name used and is easy to understand. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 13 – Surface Areas and Volumes
Important Topics:
1. Surface Area of Right Circular Cylinders, Both Hollow and Solid
2. Students compute the surface areas of cones
3. Students compute the surface areas of spheres and hemispheres
4. Volume of Right Circular Cylinders, Both Hollow and Solid
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MERITNATION TIPS: a) Draw neat and clean figures wherever required. b) Proper dimensions should be used. c) Make sure you learn and revise all the formulas of mensuration. |
Chapter 14 – Statistics
Important Topics:
1. Students construct histograms in which, more than one class intervals are grouped together
2. Students read and interpret histograms in which, more than one class intervals are grouped together
3. Students construct frequency polygons both by drawing histograms and independently
4. Solve problems related to finding medians of data sets in cases where the number of terms is even or odd
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MERITNATION TIPS: a) Avoid calculation mistakes. b) Draw neat tables before starting the question. c) The bar graphs and other graphs should be neat and clear. d) All points should be neatly marked in the graphs. e) Make sure that you recheck the calculations. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 15 – Probability
Important Topics:
1. Find probabilities of occurrence and nonoccurrence of events with the help of given experiments and highlight the effect of the increase in the number of trials
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MERITNATION TIPS: a) Be confident with the concept of probability. b) Focus on NCERT questions. c) Read the question thoroughly before answering. |
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 (13)
1. Jyoti Misha | March 19th, 2017 at 4:30 pm
Help me out meritnation team
Pls
Need help
2. Jyoti Misha | March 19th, 2017 at 4:29 pm
Tomorrow I have my maths exam I’m very nervous all the formulas r clashing in my brain
Class 9
Very less time left
3. devanshi | March 2nd, 2016 at 11:48 am
helpful….. 😉
4. Aparna | March 2nd, 2016 at 7:38 am
Thank you so much Meritnation. This helped me a lot!
5. Akchunya | February 24th, 2016 at 10:15 pm
Really appreciate this knowledge @meritnation.However,I would be very thankful if you could write a blog about SST,Science and Hindi as well.
Thanks Anyways
6. shalmina | February 10th, 2016 at 10:23 pm
hi meritnation!..i would like to know that if you could help us in science and S.S.T too!..thanks for providing us these tips once again!..
7. Meritnation | February 9th, 2016 at 11:27 am
Hi Ritika,
We are onto it and will be posting it soon. So stay glued! 🙂
All the Best!
Team Meritnation
8. Ritika | February 9th, 2016 at 9:46 am
thank you meritnation team giving me such a nice tips. Can you also provide us with social science exams tips too.
9. Shalmina Muhsin | February 8th, 2016 at 4:45 pm
Thank you meritnation for providing us the useful tips =)
10. Meritnation | February 8th, 2016 at 12:17 pm
Hi Janvi,
Please note that the important tips and topics for class 10 have been posted for subjects Maths and Science.
Don’t forget to share these valuable tips with your friends. 🙂
Team Meritnation
11. Janvi | February 4th, 2016 at 6:27 pm
where are the imp. tips and topics for 10th class….????
12. Meritnation | February 4th, 2016 at 5:44 pm
Hi Bhumi,
Thank you! Don’t forget to share these valuable tips with your friends. 🙂
All the Best!
Team Meritnation
13. bhumi | February 4th, 2016 at 5:35 pm
thanks for telling us……..
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