#### NCERT Mathematics Class 9

UNIT I: NUMBER SYSTEMS

1. Real Numbers  (18 Periods)

​NCERT SOLUTION

Exercise 1.1 Part 1 TEXTBOOK’S EXERCISE – 1.3 1

UNIT II: ALGEBRA

UNIT III: COORDINATE GEOMETRY

Chapter 5: Introduction to Euclid’s Geometry NCERT Solutions (6 Periods)

Chapter 7: Triangles ( NCERT Solutions)

Chapter 9: Areas of Parallelograms and Triangles (NCERT Solutions) (7 Periods)

Chapter 10: Circles (15 Periods)

Chapter 11: Constructions (10 Periods)

UNIT V: MENSURATION

1. Areas (4 Periods)

Area of a triangle using Heron’s formula (without proof) and its application in finding the area of a quadrilateral.

2. Surface Areas and Volumes (12 Periods)

Surface areas and volumes of cubes, cuboids, spheres (including hemispheres) and right circular cylinders/cones.

UNIT VI: STATISTICS & PROBABILITY

1. Statistics (13 Periods)

Introduction to Statistics: Collection of data, presentation of data – tabular form, ungrouped / grouped, bar graphs, histograms (with varying base lengths), frequency polygons. Mean, median and mode of ungrouped data.

2. Probability (9 Periods)

History repeated experiments and observed frequency approach to probability. Focus is on empirical probability. (A large amount of time to be devoted to group and to individual activities to motivate the concept; the experiments to be drawn from real-life situations, and from examples used in the chapter on statistics).

QUESTION PAPER DESIGN
CLASS – IX (2019-20)
Time: 3 Hrs.                                                                                                                                                                        Max. Marks: 80

Internal Assessment will be conducted as per the following marks distribution: