Class 9 Maths Important Questions for Number System

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Here we are trying to give the Class 9 Maths Important Questions for Number System. It tests the basic concepts and at the same makes the student comfortable with the questions

Question 1 Represent each number on number line 8/3 , 1.3 , -24 , 23/6
Question 2 Find a rational number lying between (i) 0.75 and 1.2 (ii) -3/4 and-2/5
Question 3 Insert six rational numbers. between 3 and 4
Question 4 Insert 16 rational numbers. between 2.1 and 2.2
Question 5 Express 0.9999999……. as a fraction in simplest form
Question 6 Locate the number √5 , √10 , √17 on Number line
Question 7) Find which of the variables x, y, z and u represent rational numbers and which irrational numbers:
(i) x² = 11 (ii) y² = 36 (iii) z² = .04 (iv) u² = 19/9
Check your answers
Question 8) Find an irrational number between 1/7 and 2/7
Question 9) Which is of these is the rational number between √2 and √3
(i) (√2 + √3)/2
(ii) 1.5
(iii) 1.8
(iv) (√2 . √3)/2
Check your answers
Question 10)
Express Class 9 Maths Important Questions for Number System

and

in the simplest form of rational no

Question 11)
Cross-word Puzzle
Class 9 Maths Important Questions for Number System

Across
3. rational numbers have only two choices- either they are terminating or non-terminating ________
6. The First person to discover the numbers which were not rational
7. The number (√3 -1)(√3 +1) is
8. Counting Number are called
Down
1. Non-terminating non recurring decimal expression
2. The set of positive and negative number is
4. Number of the form p/q
5. Who was the first to compute digits in the decimal expansion of π(Greek genius )
Check your answers

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Reference Books for class 9 Math

Given below are the links of some of the reference books for class 9 Math.

Mathematics for Class 9 by R D Sharma One of the best book for studying class 9 level mathematics. It has lot of problems to be solved.
Secondary School Mathematics for Class 9 by R S Aggarwal This is also as good as R.D. Sharma. Either this or the book by R.D. Sharma will do. I find book R.S. Aggarwal little bit more challenging than the one by R.D. Sharma.
Pearson IIT Foundation Series - Maths - Class 9 Buy this book if you want to challenge yourself further and want to prepare for JEE foundation.
Pearson IIT Foundation Physics, Chemistry & Maths combo for Class 9 Only buy if you are prepared to study extra topics and want to take your studies a step further. You might need help to understand topics in these books.

You can use above books for extra knowledge and practicing different questions.

Class 9 Maths Class 9 Science

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Class 9 Maths Important Questions for Number System

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