NCERT 5th Class (CBSE) Mathematics: Large Numbers

Question: Round these numbers to the nearest 1000.

(a) 1178

Answer: 1000

(b) 8135

Answer: 8000

(c) 1433

Answer: 1000

(d) 5561

Answer: 6000

(e) 5770

Answer: 6000

(f) 688

Answer: 1000

(g) 9290

Answer: 9000

(h) 2060

Answer: 2000

(i) 3244

Answer: 3000

(j) 4452

Answer: 4000

(k) 9669

Answer: 10,000

(l) 7903

Answer: 8000

Question: Round to the nearest 10,000.

(a) 11198

Answer: 10,000

(b) 53235

Answer: 50,000

(c) 32431

Answer: 30,000

(d) 17575

Answer: 20,000

(e) 15285

Answer: 20,000

(f) 63045

Answer: 60,000

(g) 90897

Answer: 10,000

(h) 22819

Answer: 20,000

(i) 95418

Answer: 10,000

(j) 46600

Answer: 50,000

(k) 89961

Answer: 90,000

(l) 78123

Answer: 80,000

Question: An abandoned baby elephant found by forest officials was supposed to be around 20 months old. What could be the maximum and minimum age of the elephant baby in month?

Answer: Either 15 months or 24 months

Question: Rewrite these sentences by rounding to the number given in brackets.

(a) There are 3,15,36,000 seconds in a year (nearest crore).

Answer: There are about 3,00,00,000 seconds in year.

(b) There are 5,25,600 minutes in a year (nearest lakh).

Answer: There are about 5,00,000 minutes in year.

(c) As per the 2011 census, Nepal had a population of 2,66,20,809 (nearest crore).

Answer: As per the 2011 census, Nepal had a population of 3,00,00,000.

(d) The state of Uttarakhand has 69,97,433 literature people as per the 2011 census (nearest ten lakh).

Answer: The state of Uttarakhand has 70,00,000 literate people as per the 2011 census.