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Rationalise the denominator of the following
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1
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521
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April 1, 2019
|
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Represent on the number line
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1
|
394
|
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
|
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1
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460
|
April 1, 2019
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Simplify each of the following expressions
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1
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1078
|
April 1, 2019
|
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Following numbers as rational or irrational
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1
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321
|
April 1, 2019
|
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Visualise 4. 26 on the number line, upto 4 decimal places
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1
|
559
|
April 1, 2019
|
|
Visualise 3.765 on the number line, using successive magnification
|
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1
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2725
|
April 1, 2019
|
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Classify the following numbers as rational or irrational
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1
|
364
|
April 1, 2019
|
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Find three different irrational numbers between the rational numbers 5/7 and 9/1
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0
|
2091
|
April 1, 2019
|
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Write three numbers whose decimal expansions are non-terminating non-recurring
|
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1
|
984
|
April 1, 2019
|
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Can you guess what property q must satisfy?
|
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1
|
907
|
April 1, 2019
|
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What can the maximum number of digits be in the repeating block of digits in the decimal expansion of 1/17?
|
|
1
|
2209
|
April 1, 2019
|
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Express 0.99999… in the form p/q Are you surprised by your answer
|
|
1
|
1626
|
April 1, 2019
|
|
Express the following in the form p/q where p and q are integers and q ≠ 0
|
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1
|
1831
|
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?
|
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1
|
930
|
April 1, 2019
|
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Write the following in decimal form and say what kind of decimal expansion each has
|
|
1
|
2125
|
April 1, 2019
|
|
Classroom activity (constructing the ‘square root spiral’)
|
|
1
|
1301
|
April 1, 2019
|
|
Show how √5 can be represented on the number line
|
|
1
|
2577
|
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
|
398
|
April 1, 2019
|
|
State whether the following statements are true or false. Justify your answers
|
|
1
|
435
|
April 1, 2019
|
|
State whether the following statements are true or false. Give reasons for your answers
|
|
1
|
692
|
April 1, 2019
|
|
Find five rational numbers between 3/5 and 4/5
|
|
1
|
3534
|
April 1, 2019
|
|
Find six rational numbers between 3 and 4
|
|
1
|
2781
|
April 1, 2019
|
|
Can you write it in the form p/q where p and q are integers and q ≠0?
|
|
1
|
325
|
April 1, 2019
|