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On January 25, 2024, 11:35 AM

In-Text Questions Try These (Textbook Page No. 25) - Chapter 1 Numbers Term 1 6th Maths Guide Samacheer Kalvi Solutions - SaraNextGen [2024]


Try These (Textbook Page No. 25)
Question $1 .$

Round off the following numbers to the nearest ten
(i) 57
(ii) 189
(iii) 3,956
(iv) 57,312
Solution:
(i) 57
Given number $=57$
Place value to be rounded off is ten.
Digit in tens place is 5 .
Digit to'the right is $7>5$
Adding 1 to $5=1+5=6$
Changing the digits to the right of 6 to zero $=60$ rounded off number is 60 .

(ii) 189
Place value to be rounded off is ten
Digit is ten places is 8
Digit to the right is 9 > 5

Adding 1 to 8 = 1 + 8 = 9.
changing the digits to the right of 19 to zero = 190
Required rounded off number is 190

(iii) 3956
Place value to be rounded off is ten.
Digit in tens place is 5
Digit to the right is $6>5$
Adding 1 to $5=1+5=6$
Changing the right digits of 396 to zero $=3960$
Required rounded off number is 3960 .
(iv) 57312
Place value to be rounded off is ten.
Digit in tens place is 1
Digit to the right is $2<5$
Leaving the number 2 as it is changing the digits to the right of 5731 to zero $=57310$.
The rounded number is 57310

Question 2 .
Round off the following numbers to the nearest ten, hundred and thousand.
(i) $9,34,678$
(ii) $73,43,489$
(iii) $17,98,45,673$
Solution:
(i) $9,34,678$
Nearest Tens: $9,34,680$
Nearest Hundreds: 9,34,700
Nearest Thousands: $9,35,000$
(ii) $73,43,489$
Nearest Tens: $73,43,490$
Nearest Hundreds: $73,43,500$
Nearest Thousands: $73,43,000$
(iii) $17,98,45,673$
Nearest Tens: $17,98,45,670$
Nearest Hundreds: $17,98,45,700$
Nearest Thousands: $17,98,46,000$

 

Question 3.
The tallest mountain in the world Mount Everest, located in Nepal is 8,848 m high. Its height can be rounded
off to the nearest thousands as ______
Solution:
9000 m

Also Read : In-Text-Questions--Try-These-(Textbook-Page-No.-27)-Chapter-1-Numbers-Term-1-6th-Maths-Guide-Samacheer-Kalvi-Solutions

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