Chapter 1 – Number Systems
1. Visualise 3.765 on the number line, using successive magnification.
13
Oct
1. Visualise 3.765 on the number line, using successive magnification. 1. Visualise 3.765 on the number line using successive magnification. October 13, 2020 Category: Chapter 1 - Number Systems , Maths , NCERT Class 9 ,
9. Classify the following numbers as rational or irrational : (iii) 0.3796 (iv) 7.478478… (v) 1.101001000100001…
13
Oct
9. Classify the following numbers as rational or irrational : (iii) 0.3796 (iv) 7.478478… (v) 1.101001000100001… 9. Classify the following numbers as rational or irrational : (iii) 0.3796 (iv) 7.478478... (v) 1.101001000100001… October 13, 2020 Category: Chapter 1 - Number Systems , Maths , NCERT Class 9 ,
9. Classify the following numbers as rational or irrational : (i)√23 (ii)√225
13
Oct
9. Classify the following numbers as rational or irrational : (i)√23 (ii)√225 9. Classify the following numbers as rational or irrational : (i)√23 (ii)√225 October 13, 2020 Category: Chapter 1 - Number Systems , Maths , NCERT Class 9 ,
8. Find three different irrational numbers between the rational numbers 5/7 and 9/11.
13
Oct
8. Find three different irrational numbers between the rational numbers 5/7 and 9/11. 8. Find three different irrational numbers between the rational numbers 5/7 and 9/11. October 13, 2020 Category: Chapter 1 - Number Systems , Maths , NCERT Class 9 ,
7. Write three numbers whose decimal expansions are non-terminating non-recurring.
13
Oct
7. Write three numbers whose decimal expansions are non-terminating non-recurring. 7. Write three numbers whose decimal expansions are non-terminating non-recurring. October 13, 2020 Category: Chapter 1 - Number Systems , Maths , NCERT Class 9 ,
6. Look at several examples of rational numbers in the form p/q (q ≠ 0), where p and q are integers with no common factors other than 1 and having terminating decimal representations (expansions). Can you guess what property q must satisfy?
13
Oct
6. Look at several examples of rational numbers in the form p/q (q ≠ 0), where p and q are integers with no common factors other than 1 and having terminating decimal representations (expansions). Can you guess what property q must satisfy? 6. Look at several examples of rational numbers in the form p/q (q [...]
5. What can the maximum number of digits be in the repeating block of digits in the decimal expansion of 1/17 ? Perform the division to check your answer.
13
Oct
5. What can the maximum number of digits be in the repeating block of digits in the decimal expansion of 1/17 ? Perform the division to check your answer. 5. What can the maximum number of digits be in the repeating block of digits in the decimal expansion of 1/17 ? Perform the division to [...]
4. Express 0.99999…. in the form p/q . Are you surprised by your answer? With your teacher and classmates discuss why the answer makes sense.
13
Oct
4. Express 0.99999…. in the form p/q . Are you surprised by your answer? With your teacher and classmates discuss why the answer makes sense. 4. Express 0.99999…. in the form p/q . Are you surprised by your answer? With your teacher and classmates discuss why the answer makes sense. October 13, 2020 Category: Chapter [...]
3. Express the following in the form p/q, where p and q are integers and q is not equal to 0. (iii) 0.001
13
Oct
3. Express the following in the form p/q, where p and q are integers and q is not equal to 0. (iii) 0.001 3. Express the following in the form p/q where p and q are integers and q is not equal to 0. (iii) 0.001 October 13, 2020 Category: Chapter 1 - Number Systems [...]
3. Express the following in the form p/q, where p and q are integers and q is not equal to 0. (ii) 0.47
13
Oct
3. Express the following in the form p/q, where p and q are integers and q is not equal to 0. (ii) 0.47 3. Express the following in the form p/q where p and q are integers and q is not equal to 0. (ii) 0.47 October 13, 2020 Category: Chapter 1 - Number Systems [...]