Rationalise the denominator of the following


1

509

April 1, 2019

Represent on the number line


1

381

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


1

448

April 1, 2019

Simplify each of the following expressions


1

1047

April 1, 2019

Following numbers as rational or irrational


1

314

April 1, 2019

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


1

549

April 1, 2019

Visualise 3.765 on the number line, using successive magnification


1

2680

April 1, 2019

Classify the following numbers as rational or irrational


1

354

April 1, 2019

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


0

2022

April 1, 2019

Write three numbers whose decimal expansions are nonterminating nonrecurring


1

966

April 1, 2019

Can you guess what property q must satisfy?


1

886

April 1, 2019

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


1

2073

April 1, 2019

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


1

1585

April 1, 2019

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


1

1709

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?


1

917

April 1, 2019

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


1

2009

April 1, 2019

Classroom activity (constructing the ‘square root spiral’)


1

1280

April 1, 2019

Show how √5 can be represented on the number line


1

2389

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


1

394

April 1, 2019

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


1

424

April 1, 2019

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


1

671

April 1, 2019

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


1

3404

April 1, 2019

Find six rational numbers between 3 and 4


1

2655

April 1, 2019

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


1

318

April 1, 2019
