Class 9 | Chapter 1 | Number System | Exercise 1.2 | Question 3 & 4
Example 3: Show how √5 can be represented on the number line. Example 4: Classroom activity (Constructing the ‘square root spiral’) Question 2 Ex: 1.3 | Question 1
Read MoreExample 3: Show how √5 can be represented on the number line. Example 4: Classroom activity (Constructing the ‘square root spiral’) Question 2 Ex: 1.3 | Question 1
Read MoreExample 2: Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number. Question 1 Question 3 & 4
Read MoreExample 1: Write the following in decimal form and say what kind of decimal expansion each has : (i) 36/100 (ii) 1/11 (iii) 4 x 1/8 (iv) 3/13 (v) 2/11 (vi) 329/400 Ex: 1.2 | Question 3 & 4 Question…
Read MoreExample 4: State whether the following statements are true or false. Give reasons for your answers. Every natural number is a whole number. Every integer is a whole number. Every rational number is a whole number. Question 3 Ex: 1.2…
Read MoreExample 1: Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q≠ 0? Class 9 | Home Question 2
Read MoreExample 7: Show that 0.3333… = 0.3 (with a bar on 3) can be expressed in the form p/q , where p and q are integers and q ≠ 0. Example 8: Show that 1.272727… = 1.27 (with a bar…
Read MoreExample 5: Find the decimal expansions of 10/3, 7/8 and 1/7 Example 6: Show that 3.142678 is a rational number. In other words, express 3.142678 in the form p/q ,where p and q are integers and q≠0. Example 3 &…
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