Addition
Summary
Addition is bringing two or more numbers (or things) together to make a new total.
Addition of 5 digit number without carrying
Example
Find the sum of 23, 567 and 34, 131
| T.Th | Th | H | T | U | ||
| Addends | 2 | 3 | 5 | 6 | 7 | |
| Addends | + | 3 | 4 | 1 | 3 | 1 |
| Sum | = | 5 | 7 | 6 | 9 | 8 |
Exercise 2.1
I. Find the sum of each of the following
1) 36,417 + 32,532
| TEN TH | TH | H | T | U | ||
| Addends | 3 | 6 | 4 | 1 | 7 | |
| Addends | + | 3 | 2 | 5 | 3 | 2 |
| sum | = | 6 | 8 | 9 | 4 | 9 |
Therefore sum 36,417 and 32,532 is 68,949
2) 28,490 + 61,306
| TEN TH | TH | H | T | U | ||
| Addends | 2 | 8 | 4 | 9 | 0 | |
| Addends | + | 6 | 1 | 3 | 0 | 6 |
| sum | = | 8 | 9 | 7 | 9 | 6 |
Therefore sum of 28,490 and 61,306 is 89,796
3) 12,973 +46,016
| TEN TH | TH | H | T | U | ||
| Addends | 1 | 2 | 9 | 7 | 3 | |
| Addends | + | 4 | 6 | 0 | 1 | 6 |
| sum | = | 5 | 8 | 9 | 8 | 9 |
4) 23,462 +52,304
| TEN TH | TH | H | T | U | ||
| Addends | 2 | 3 | 4 | 6 | 2 | |
| Addends | + | 5 | 2 | 3 | 0 | 4 |
| sum | = | 7 | 5 | 7 | 6 | 6 |
Therefore sum of 23,462+52,304 is 75,766
5) 42,806 + 34,063
| TEN TH | TH | H | T | U | ||
| Addends | 4 | 2 | 8 | 0 | 6 | |
| Addends | + | 3 | 4 | 0 | 6 | 3 |
| sum | = | 7 | 6 | 8 | 6 | 9 |
Therefore sum of 42,806 and 34,063 is 76,869
Addition of 5 digit number with carrying
Example
Find the sum of 56,003 and 42,597
| Ten Th | Th | H | T | U | |
| Carry | 1 | 1 | |||
| 5 | 6 | 0 | 0 | 3 | |
| + | 4 | 2 | 5 | 9 | 7 |
| = | 9 | 8 | 6 | 0 | 0 |
II.Find the sum each of the following
- 25,700 +2,246 +16,413
| TEN TH | TH | H | T | U | |
| CARRY | 1 | 1 | |||
| 2 | 5 | 7 | 0 | 0 | |
| 2 | 2 | 4 | 6 | ||
| + | 1 | 6 | 4 | 1 | 3 |
| = | 4 | 4 | 3 | 5 | 9 |
Therefore the answer =44,359
2)36,907+53,613
| TEN TH | TH | H | T | U | |
| CARRY | 1 | 1 | 1 | ||
| 3 | 6 | 9 | 0 | 7 | |
| + | 5 | 3 | 6 | 1 | 3 |
| = | 9 | 0 | 5 | 2 | 0 |
Therefore the answer =90,520
3) 24,596 +36,578
| TEN TH | TH | H | T | U | |
| Carry | 1 | 1 | 1 | 1 | |
| 2 | 4 | 5 | 9 | 6 | |
| + | 3 | 6 | 5 | 7 | 8 |
| = | 6 | 1 | 1 | 7 | 4 |
Therefore the answer=61,174
4)25,236 +34,051 +8,368
| TEN TH | TH | H | T | U | |
| Carry | 1 | 1 | |||
| 2 | 5 | 2 | 3 | 6 | |
| 3 | 4 | 0 | 5 | 1 | |
| + | 8 | 3 | 6 | 8 | |
| = | 6 | 7 | 6 | 5 | 3 |
Therefore the answer=67,653
5) 43,374 +36,578
| TEN TH | TH | H | T | U | |
| Carry | 1 | 1 | |||
| 4 | 3 | 3 | 7 | 4 | |
| + | 3 | 6 | 5 | 7 | 8 |
| = | 7 | 9 | 9 | 5 | 2 |
Therefore the answer=79,952
III.Solve the following problems
1)There were 26,759 trees in the protected area of a forest,13,842 tree were planted during Vanamahostava. Find the total number of trees in the protected area of the forest?
No of trees in the forest is 26,759
No of trees planted is 13,842
Therefore the total number of trees in area = 40,601
2)A co-operative milk dairy collects 15,209 litres of milk from farmers in a week and 16,826 litres of milk in the next week. How many liters of milk was collected from the farmers in two weeks?
In a first week milk dairy collects 15,209 litres
In second week milk dairy collects 16,826 litres
Therefore for two weeks farmer collected = 32,035 litres
3)An Indian cricketer scored 14,025 runs in the test cricket matches and 15,759 runs in one day cricket matches. How many runs did the cricketer score in all?
Runs scored in the test cricket match is 14,025
Runs scored in one day cricket match is 15,759
Therefore the cricketer scored over all = 29,784
4)A public library in a city has 17,943 books in kannada, 14,635 books in Hindi and 10,284 books in English. How many books are there in the library Altogether ?
No of kannada books 17,943
No of Hindi books 14,635
No of English books 10,284
Therefore the total no of Books in library = 42,862
5)In an assembly election three candidates were polled 32,135 votes, 29,048 votes and 4,951 votes respectively. Find the total number of votes polled.
First candidate votes were 32,135
Second candidate votes were 29,048
Third candidate votes were 4,951
Therefore the total number of votes is 66,134
