Rationalise the denominator of the following


2

81

April 1, 2019

Represent on the number line


2

66

April 1, 2019

Recall, π is defined as the ratio of the circumference (say c) of a circle to its diameter (say d). That is π = c/d


2

203

April 1, 2019

Simplify each of the following expressions


2

65

April 1, 2019

Following numbers as rational or irrational


2

68

April 1, 2019

Visualise 4. 26 on the number line, upto 4 decimal places


2

135

April 1, 2019

Visualise 3.765 on the number line, using successive magnification


2

616

April 1, 2019

Classify the following numbers as rational or irrational


2

67

April 1, 2019

Find three different irrational numbers between the rational numbers 5/7 and 9/1


1

249

April 1, 2019

Write three numbers whose decimal expansions are nonterminating nonrecurring


2

107

April 1, 2019

Can you guess what property q must satisfy?


2

239

April 1, 2019

What can the maximum number of digits be in the repeating block of digits in the decimal expansion of 1/17?


2

561

April 1, 2019

Express 0.99999… in the form p/q Are you surprised by your answer


2

185

April 1, 2019

Express the following in the form p/q where p and q are integers and q ≠ 0


2

75

April 1, 2019

Can you predict what the decimal expansions of 2/7, 13/7, 4/7, 5/7, 6/7 are, without actually doing the long division?


2

148

April 1, 2019

Write the following in decimal form and say what kind of decimal expansion each has


2

264

April 1, 2019

Classroom activity (constructing the ‘square root spiral’)


2

485

April 1, 2019

Show how √5 can be represented on the number line


2

233

April 1, 2019

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


2

142

April 1, 2019

State whether the following statements are true or false. Justify your answers


2

129

April 1, 2019

State whether the following statements are true or false. Give reasons for your answers


2

242

April 1, 2019

Find five rational numbers between 3/5 and 4/5


2

316

April 1, 2019

Find six rational numbers between 3 and 4


2

246

April 1, 2019

Can you write it in the form p/q where p and q are integers and q ≠0?


2

66

April 1, 2019
