Selina solutions

Selina solutions

Grade 6

Estimation | Exercise 2(A)

Question 1

Q1) Round off each of the following to the nearest ten :

(i) 62

(ii) 265

(iii) 543

(iv) 8261

(v) 6294

(vi) 3008

(vii) 72326

Solution 1:

If the digit at ones place is less than 5, replace ones digit by 0 ,

And keep the other digit as they are:

And if the digit at ones place is 5 or more than 5, increase tens digit by 1 and replace ones digit by 0

(i) 62 - 60

(ii) 265 - 270

(iii) 543 - 540

(iv) 8261 - 8260

(v) 6294 - 6290

(vi) 3008 - 3010

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Question 1

Q1) Round off each of the following to the nearest ten :

(i) 62

(ii) 265

(iii) 543

(iv) 8261

(v) 6294

(vi) 3008

(vii) 72326

Solution 1:

If the digit at ones place is less than 5, replace ones digit by 0 ,

And keep the other digit as they are:

And if the digit at ones place is 5 or more than 5, increase tens digit by 1 and replace ones digit by 0

(i) 62 - 60

(ii) 265 - 270

(iii) 543 - 540

(iv) 8261 - 8260

(v) 6294 - 6290

(vi) 3008 - 3010

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your mathematics exam ?

Learn from an expert tutor.

Book a free class now
subject-cta
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