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Rationalise the denominator of the following
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1
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520
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April 1, 2019
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Represent on the number line
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1
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390
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April 1, 2019
|
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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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455
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April 1, 2019
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Simplify each of the following expressions
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1
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1068
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April 1, 2019
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Following numbers as rational or irrational
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1
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320
|
April 1, 2019
|
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Visualise 4. 26 on the number line, upto 4 decimal places
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1
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554
|
April 1, 2019
|
|
Visualise 3.765 on the number line, using successive magnification
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1
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2706
|
April 1, 2019
|
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Classify the following numbers as rational or irrational
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1
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361
|
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
|
2062
|
April 1, 2019
|
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Write three numbers whose decimal expansions are non-terminating non-recurring
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1
|
979
|
April 1, 2019
|
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Can you guess what property q must satisfy?
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1
|
893
|
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
|
2174
|
April 1, 2019
|
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Express 0.99999… in the form p/q Are you surprised by your answer
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1
|
1612
|
April 1, 2019
|
|
Express the following in the form p/q where p and q are integers and q ≠ 0
|
|
1
|
1791
|
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
|
927
|
April 1, 2019
|
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Write the following in decimal form and say what kind of decimal expansion each has
|
|
1
|
2097
|
April 1, 2019
|
|
Classroom activity (constructing the ‘square root spiral’)
|
|
1
|
1292
|
April 1, 2019
|
|
Show how √5 can be represented on the number line
|
|
1
|
2515
|
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
|
397
|
April 1, 2019
|
|
State whether the following statements are true or false. Justify your answers
|
|
1
|
428
|
April 1, 2019
|
|
State whether the following statements are true or false. Give reasons for your answers
|
|
1
|
681
|
April 1, 2019
|
|
Find five rational numbers between 3/5 and 4/5
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|
1
|
3485
|
April 1, 2019
|
|
Find six rational numbers between 3 and 4
|
|
1
|
2746
|
April 1, 2019
|
|
Can you write it in the form p/q where p and q are integers and q ≠0?
|
|
1
|
322
|
April 1, 2019
|