# 4th Class Mathematics Addition and Subtraction Addition

Category : 4th Class

### Addition

Addition is one of the very common arithmetic operation used in mathematics. Addition is the operation to know the total quantity when two or more than two quantities are taken together. Operation of Addition on the Numbers:

Add 6072564 and 2545623

Step 1:   Arrange the digits of the numbers in place value chart:

 T-C C T-TH Th H T O 6 0 7 2 5 6 4 2 5 4 5 6 1 3

Step 2:   Now add ones to ones, tens to tens and so on.

 T-C C T-TH Th H T O 6 0 7 2 5 6 4 + 2 5 4 5 6 2 3 8 6 1 8 1 8 7 Add 6458796 and 4562321

Solution:

Arrange the numbers according to place value chart and add the digits.  Terms Related to Addition

The numbers which are added to each other are called addends and the product is called sum.   Addition in Case of Three or More than

Three Numbers

Add 2563,56437,986402,63254 and 21356

Step 1:   Numbers are arranged as per the place value chart.

 C T-Th Th I-I T O 2 5 6 3 5 6 4 6 7 9 8 6 4 0 2 6 3 2 5 4 2 1 3 5 6

Step 2: Add the digits of the same column and write the sum below.

 C T-Th Th I-I T O 2 5 6 3 5 6 4 3 7 9 8 6 4 0 2 6 3 2 5 4 2 1 3 5 4 + 2 1 3 5 6 1 1 3 0 0 1 2 Solve 5631  + 100 + 20365 + 3216 .  Problems Based on Addition Add 98 lakhs and 30 lakhs Solution:

98 lakhs + 30 lakhs =128 lakhs 128 lakhs  = 100 lakhs + 28 lakhs 100 lakhs = 1 crore

Thus  128 laks = 1 crore + 28  lakhs Add 50 crores, 5 lakhs, 15 lakhs, 29 thousands, 17 tens, and 14 ones

Solution:

50 crores + 5 lakhs + 15 lakhs + 29 thousands + 17 tens + 14 ones 50 crores + 5 lakhs + 15 lakhs + 29 thousands + 10 tens + 7 tens + 10 ones + 4 ones.

50 crores + 20 lakhs + 29 thousands + 1 hundreds + 7 tens + 1 tens + 4 ones 50 crores + 20 lakhs + 29 thousands + 1 hundreds + 8 tens + 4 ones

Fifty crores twenty lakhs twenty nine thousand one hundred eighty four =502029184. Word Problems Based on Addition There are four libraries. First library contains 256324 books, second library contains 235623 library, and third library contains 523412 books. The fourth library contains the total number of book which is contained by all the three libraries. Find the total number of books present in all the four libraries.

Solution:

Number of books in the first library = 256324

Number of books in the second library = 235623

Number of books in the first library = 523412

Total number of books in these library = 256324 + 235623 + 523412 = 1015359 .

Thus number of books in the fourth library = 1015359 Therefore, total number of books = 1015359 + 1015359 = 2030718 In a village, there are 564689 men and 445632 women. If 54689 people of them are unemployed. Find the population of the village.

Solution:

Total number of men in the village = 564689

Total number of women in the village = 445632

So, total number of population in the village = 564689 + 445632 = 1010321

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