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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ८

Draw a number line and represent the following rational numbers on it -83

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प्रश्न

Draw a number line and represent the following rational numbers on it

`(-8)/3`

आकृती
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उत्तर

`(-8)/3 = -2  2/3`

`-2  2/3` lies between −2 and −3

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पाठ 1: Numbers - Exercise 1.1 [पृष्ठ १३]

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
पाठ 1 Numbers
Exercise 1.1 | Q 5. (ii) | पृष्ठ १३

संबंधित प्रश्‍न

Represent these numbers on the number line

`7/4`


Represent these numbers on the number line.

`-5/6`


Represent `(-2)/11, (-5)/11, (-9)/11` on the number line.


Observe the number line and answer the questions.

  1. Which number is indicated by point B? 
  2. Which point indicates the number `1 3/4`?
  3. State whether the statement ‘the point D denotes the number `5/2`’ is true or false. 

Show the following numbers on a number line. Draw a separate number line for the example.

`13/10 , (-17)/10`


The number `sqrt2` is shown on a number line. Steps are given to show `sqrt3` on the number line using `sqrt2`. Fill in the boxes properly and complete the activity.

Activity :

  • The point Q on the number line shows the number ______.
  • A line perpendicular to the number line is drawn through the point Q. Point R is at unit distance from Q on the line.
  • Right angled ∆ORQ is obtained by drawing seg OR. 

`l  ("OQ") = sqrt2` ,    `l("QR") = 1`

`therefore` by Pythagoras theorem,

`[l("OR")]^2  = [l("OQ")]^2 + [l("QR")]^2 `

= `square^2`+ `square^2` = `square` + `square`

= `square`

∴ l(OR) = `square`

Draw an arc with centre O and radius OR. Mark the point of intersection of the line and the arc as C. The point C shows the number `sqrt3`.


Evaluate:

`5/(-11) + 0`


Evaluate:

`2 + (-3)/5`


Show the following numbers on a number line.

`7/3, 2, (-2)/3`


The points S, Y, N, C, R, A, T, I and O on the number line are such that CN = NY = YS and RA = AT = TI = IO. Find the rational numbers represented by the letters Y, N, A, T and I


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