Addition of 6-Digit Numbers

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

$6-Digit Numbers Addition$

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.

$Addition of 6-Digit Numbers$

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.

Questions and Answers on Addition of 5-Digit Numbers:

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

Answer:

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.

Answer:

2. 1099999

3. What number is 560 more than 295789?

Answer:

3. 296349

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

Answer:

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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