Class 6 Mathematics Chapter 3 | Playing with Numbers | Exercise 3.3 Question 1 : Using divisibility tests, determine which of the following numbers are divisible by 2; by 3; by 4; by 5; by 6; by 8; by 9; by 10 ; by 11 (say, yes or … [Read more...] about Exercise 3.3
Class 6
Exercise 3.2
Class 6 Mathematics Chapter 3 | Playing with Numbers | Exercise 3.2 Question 1: What is the sum of any two: (a) Odd numbers. (b) Even numbers. Answer 1: (a) The sum of any two odd numbers is an even number. Example: 1 + 3 = 4 3 + 5 = 8 (b) The sum of any two even numbers is also an even number. Example: 2 + 4 = 6 6 + 8 = 14 Question 2: State … [Read more...] about Exercise 3.2
Exercise 2.3
Class 6 | Mathematics | Chapter 2| Whole Numbers | Exercise 2.3 Question 1: Which of the following will not represent zero: (a) 1 + 0 (b) 0 x 0 (c) 0 ÷ 2 (d) (10- 10)/2 Answer: (a) [1 + 0 is equal to 1] Question 2: If the product of two whole numbers is zero, can we say that one or both of them will be zero? Justify through examples. Answer 2: Yes, if we multiply any … [Read more...] about Exercise 2.3
Exercise 2.2
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
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