We will learn addition of 6-digit numbers without carrying and with carrying.

We have learnt to add numbers having 4 or 5 digits. Now we will learn to add numbers having 6 digits. The procedures and methods adopted are the same as in the case of 4 or 5 digits.

Consider some of the examples.

Addition of 6-digit numbers (without carrying)

1. Find the sum of 524163, 312805 and 120021

 Steps I. Arrange the digits of the addends in columns. II. Add ones 3 + 5 + 1 = 9 III. Add tens 6 + 0 + 2 = 8 IV. Add hundreds 1 + 8 + 0 = 9 V. Add thousands 4 + 2 + 0 = 6 VI. Add ten thousands 2 + 1 + 2 = 5 VII. Add lakhs 5 + 3 + 1 = 9

The sum of 524163, 312805 and 120021 is 956989.

Addition of 6-digit numbers (with carrying)

2. Find the sum of 634957, 865241 and 358264 with carrying.

 Steps I. Add ones. 7 + 1 + 4 = 12 ones = 1 ten 2 ones. Write 2 under ones, carry 1 to tens place. II. Add tens. 1 (carry up) + 5 + 4 + 6 = 16 tens = 1 hundred 6 tens. Write 6 under tens, carry 1 to hundreds place. III. Add hundreds. 1 (carry up) + 9 + 2 + 2 = 14 hundreds = 1 thousand 4 hundreds. Write 4 under hundreds, carry 1 to thousands place. IV. Add thousands. 1 (carry up) + 4 + 5 + 8 = 18 thousands = 1 ten thousand 8 thousands. Write 8 under thousands, carry 1 to ten thousand place. V. Add ten thousands. 1 (carry up) + 3 + 6 + 5 = 15 ten thousand = 1 lakh 5 ten thousands. Write 5 under ten thousands, carry 1 to lakhs place. VI. Add lakhs. 1 (carry up) + 6 + 8 + 3 = 18. Write 18 under lakhs.

Therefore, the sum of 634957, 865241 and 358264 is 1858462.

1. Find the sum:

(i) 254352 + 111684 + 382066

(ii) 578296 + 678246 + 810085

(iii) 674592 + 862934 + 183056

(iv) 2947542 + 1652964 + 75238

(v) 600075 + 564938 + 187526

(vi) 57496505 + 38315273 + 16284905

1. (i) 748102

(ii) 2066627

(iii) 1720582

(iv) 4675744

(v) 1352539

(vi) 112096683

2. Find the sum of the largest 6-digit number and smallest 6-digit number.

2. 1099999

3. What number is 560 more than 295789?

3. 296349

4. Find the sum of the smallest number and largest number formed using the digits 1, 9, 3, 5, 0, 4.

4. 1057769

5. A municipality gets the following income by various taxes. By Profession tax $6,75300, by house tax$7,69,753, by entertainment tax $54,786, by rents$15,492 and by grants from state government $11,39064. Find the total income of the municipality. Answer: 5.$2654395

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