Class IX, NCERT Mathematics (CBSE Board) Chapter NCERT Textbook Exercise Solution NUMBER SYSTEM Exercise 1.1 (Page 5) Read Exercise 1.2 (Page 8) Read Exercise 1.3 (Page 14) Read Exercise 1.4 (Page 18) Read Exercise 1.5 (Page 24) Read Exercise 1.6 (Page 26) Read POLYNOMIALS Exercise 2.1 (Page 32) Read Exercise 2.2 (Page 34, 35) Read Exercise 2.3 (Page 40) Read Exercise 2.4 (Page 43, 44) Read Exercise 2.5 (Page 48, 49, 50) Read COORDINATE GEOMETRY Exercise 3.1 (Page 53) Read Exercise 3.2 (Page 60, 61) Read Exercise 3.3 (Page 65) Read LINEAR EQUATIONS IN TWO VARIABLES Exercise 4.1 (Page 68) Read Exercise 4.2 (Page 70) Read Exercise 4.3 (Page 74, 75) Read Exercise 4.4 (Page 77) Read INTRODUCTION TO EUCLID’S GEOMETRY Exercise 5.1 (Page 85, 86) Read Exercise 5.2 (Page 88) Read LINES AND ANGLES Exercise 6.1 (Page 96, 97) Read Exercise 6.2 (Page 103