Class 6 | Mathematics | Chapter 2| Whole Numbers | Exercise 2.2 Question 1 : Find the sum by suitable rearrangement: (a) 837 + 208 + 363 (b) 1962 + 453 + 1538 + 647 Answer: (a) 837 + 208 + 363 =(837+ 363 ) + 208 =1200 + 208 = 1408 (b) 1962 + 453 + 1538 + 647 = (1962 + 1538) + (453 + 647) 3500 + 1100 = 4600 Question 2: Find the product by suitable … [Read more...] about Exercise 2.2
Maths
Exercise 1.3
Class 6 Mathematics Chapter 1 | Knowing Our Numbers | Exercise 1.3 Question 1: Estimate each of the following using general rule: (a) 730 + 998 (b) 796 – 314 (c) 12,904 + 2,888 (d) 28,292 – 21,496 Answer: (a) 796 round off to 700 998 round off to 1000 Estimated sum= 1700 (b)796 round off to 800 314 round off to 300 Estimated difference= 800-300 = 500 (c) 12904 … [Read more...] about Exercise 1.3
Exercise 1.2
Class 6 Mathematics Chapter 1 | Knowing Our Numbers | Exercise 1.2 Question 1: A book exhibition was held for four days in a school. The number of tickets sold at the counter on the first, second, third and final day was respectively 1094, 1812, 2050 and 2751. Find the total number of tickets sold on all the four days. Answer: Number of tickets sold on first day = … [Read more...] about Exercise 1.2
Exercise 4.1
Class 6 Mathematics Chapter 4 | Basic Geometrical Ideas | Exercise 4.1 Question 1: Use the figure to name: (a) Five points (b) A line (c) Four rays (d) Five line segments Answer 1: (a) Five points are: O, B, C, D, E Question 2: Name the line given in all possible (twelve) ways, choosing only two letters at a time from the four … [Read more...] about Exercise 4.1
Exercise 3.1
Class 6 Mathematics Chapter 3 | Playing with Numbers Exercise 3.1 Question 1:Write all the factors of the following numbers: (a) 24 (b) 15 (c) 21 (d) 27 (e) 12 (f) 20 (g) 18 (h) 23 (i) 36 Answer 1: (a) 24 = 1 x 24 = 2 x 12 = 3 x 8 = 4 x 6 = 6 x 4 Factors of 24 = 1, 2, 3, 4, 6, 12, 24 (b) 15 = 1 x 15 = 3 x 5 = 5 x 3 Factors of 15 = 1, 3, 5, 15 (c) 21 = 1 x 21 = 3 … [Read more...] about Exercise 3.1