3. Addition
1. Add the following numbers.
(a) 26,182 and 37,405 (b) 86,736 and 8,01,342
2. Write the addends and the sum obtained.
(a) 4,00,912 + 3,46,238 (b) 6,11,430 + 2,20,406
3. Add and write the answer in words.
(a) Thirty-five thousand four hundred eighteen and sixty-two thousand three hundred
and ninety.
(b) Three lakh forty-six thousand seven hundred forty-two and two lakh sixty-six thousand
four hundred fifty-two.
4. Tick the number in the inner circle which is the sum of the numbers given in the
outer circle
5. Find the sum
(a)
6. Find the missing digits.
(a)
(b)
7. Solve the following word problems.
(a) A publisher sold 46,750 books in the month of January; 1,52,430 books in the
month of February and 1,60,000 books in the month of March. How many books
did the publisher sell in 3 months?
(b) The population of a small town in the year 2011 was 2,35,170. In the next year, the
population of the town increased by 62,000. What was the population in the
year 2012?
8. Estimate the sum by rounding off to the nearest 100. Then, check the result by
finding the actual sum.
(a) A bird watching survey shows 1,23,465 sparrows, 1,10, 250 mynas
and 96, 752 parrots in a district. Estimate the total number of these common birds
in the district.
(b) 4,21,832 + 5,36,122
9. Frame two word problems for the following sums.
(a) 1,289 + 1,364 (b) 76,354 + 82,326
10. Find the sum of the largest 6-digit, 5-digit, 4-digit and 3-digit numbers.
