NCERT Class 6 Mathematics First Chapter Knowing Our Numbers Exercise 1.3 Solution EXERCISE 1.3 (1) Estimate each of the following using general rule: (a) 730 + 998 = 1728 = 1700 (b) 796 – 314 = 482 = 500 (c) 12,904 +2,888 = 15792 = 16,000 (d) 28,292 – 21,496 = 6796 = 7,000 (2) […]