This is the Paper Summary of Maths CBSE Sample Paper Class 10. For the March 2019 Board Exams.
Download all the sample papers here.
Sections
Section  How many marks?  Number of Questions  Total Marks 
Section A  1 marks each  6  1 × 6 = 6 
Section B  2 marks each  6  2 × 6 = 12 
Section C  3 marks each  10  3 × 10 = 30 
Section D  4 marks each  8  4 × 8 = 32 
Total  30 questions  80 marks 
Total marks is 100, out which 20 marks is Internal Assesment  which is sent by your school to CBSE
Marks per Chapter
According to CBSE Syllabus, the marks per unit is like this
Units  Chapters of NCERT  Marks  
I.  Number System  Chapter 1  6 
II.  Algebra  Chapter 2, 3, 4, 5  20 
III.  Coordinate Geometry  Chapter 7  6 
IV.  Geometry  Chapter 6, 10, 11  15 
V.  Trigonometry  Chapter 8, 9  12 
VI.  Mensuration  Chapter 12, 13  10 
VII.  Statistics & Probability  Chapter 14, 15  11 
Total  80 
In this sample paper,
marks per chapter is
Chapter  1 Mark Questions  2 Mark Questions  3 Mark Questions  4 Mark Questions  Total Marks 
Chapter 1  Real Numbers  1  1 OR Question  1  6  
Chapter 2  Polynomials  1  3  
Chapter 3  Pair of Linear Equations in Two Variables  1  1  5  
Chapter 4  Quadratic Equations  1 OR Question  1 OR Question  5  
Chapter 5  Arithmetic Progressions (AP)  1  1 OR Question  1  7  
Chapter 6  Triangles  1  1 OR Question  1 Theorem  8  
Chapter 7  Coordinate Geometry  1  1  1 OR Question  6  
Chapter 8  Trigonometry  1 OR Question  1 OR Question  1  8  
Chapter 9  Applications of Trigonometry (Heights and Distances)  1 OR Question  4  
Chapter 10  Circles  1  3  
Chapter 11  Constructions  1  4  
Chapter 12  Areas related to circle  1  3  
Chapter 13  Surface Area and Volume  1 OR Question  1  7  
Chapter 14  Statistics  1  1 OR Question  7  
Chapter 15  Probability  2  4  
Total  80 
This marks division, as well as number of questions per section is exactly the same as last year.
There are total 2 + 2 + 4 + 3 = 11 OR Questions.
Observations from the paper

Some 1 mark questions have step marking

When cancelling square roots, don't forget to write
plusminus sign ±

Writing units is important or half marks is cut, eg: x =3 is wrong, x = 3 metre is right.

Formula of all chapters has 1/2 marks

Formula of Statistics (Chapter 14) has 1 mark

In Chapter 9 Heights and Distances, 1 mark is given for correct figure

1 Question of Theorem will come. (Of Chapter 6 or 10)

1 4Marks question of Construction will come

Remember the formula for Length of an arc (Chapter 12)
Length of arc = θ/360 × 2πr
It is used when length of arc is given, and we need to find angle

NCERT Questions are very important  3 Questions out of 30 have come straight from NCERT. Other questions is very similar

In questions where the answer can be found easily (like finding curved surface area of frustum if height and radius is given), calculation is difficult. 1 mark will be deducted if you have not found the exact answer

All questions of the Sample Paper has been solved, with marking scheme also given of each and every step. Click next to start doing the questions
 Question 30 is tricky. Please check it.
Tips for CBSE Boards 2019

Do the chapters from the Concept wise. Check out the video below

Remember all the Theorems and their proofs.

Remember all formulas of all Chapters. Formula sheet is provided for all chapters

Important questions have been marked in all chapters. Check them while revising

It is important to Revise the topics from
Concept wise
. Just check the theory, and the questions in order they are given
 Make sure you have 2 pencils, 1 compass, scale, eraser, sharpener with you in the geometry box

Make sure you do atleast this year's sample paper.
 Do not miss any steps. Write each and every step possible.
Have anything else? Comment below to tell me.
All the best!