# Addition of 3-Digit Numbers with Regrouping

We will learn addition of 3-digit numbers with regrouping.

Solution:

 Step 1: Arrange the numbers vertically.Step 2: Add the ones. 5 + 5 = 10 ones = 1 ten and 0 one. Write 0 in the ones column and carry over 1 to the tens column.Step 3: Add the tens. 9 + 6 + 1 (carry over) = 16 tens = 1 hundred and 6 tens. Write 6 in the tens column and carry over 1 to the hundreds column.Step 4: Add the hundreds. 4 +1 (carry over) = 5 hundreds. Write 5 in the hundreds column. Thus, 495 + 65 = 560

Solution:

 Step 1: Arrange the numbers vertically.Step 2: Add the ones column. 9 + 8 = 17 ones = 1 ten and 7 ones. Write 7 in the ones column and carry over 1 to the tens column.Step 3: Add the tens column. 7 + 5 + 1 (carry over) = 13 tens = 1 hundred and 3 tens. Write 3 in the tens column and carry over 1 to the hundreds column.Step 4: Add the hundreds column. 3 + 5 + 1 (carry over) = 9 hundreds. Thus 379 + 558 = 937

(i) 973 + 18

(ii) 536 + 69

(iii) 797 + 26

(iv) 479 + 32

(v) 284 + 33

(vi) 529 + 74

(vii) 664 + 9

(viii) 708 + 12

(ix) 675 + 38

(x) 468 + 68

(xi) 209 + 84

(xii) 900 + 92

(xiii) 421 + 79

(xiv) 579 + 78

(xv) 251 + 84

(xvi) 676 + 35

I. (i) 981

(ii) 605

(iii) 826

(iv) 511

(v) 317

(vi) 603

(vii) 673

(viii) 740

(ix) 713

(x) 536

(xi) 393

(xii) 992

(xiii) 500

(xiv) 657

(xv) 335

(xvi) 711

(i) 257 + 483

(ii) 559 + 207

(iii) 357 + 376

(iv) 436 + 354

(v) 618 + 162

(vi) 428 + 357

(vii) 364 + 546

(viii) 518 + 293

(ix) 329 + 600

(x) 533 + 428

(xi) 442 + 279

(xii) 269 + 542

(xiii) 364 + 263

(xiv) 490 + 240

(xv) 836 + 157

(xvi) 680 + 255

II. (i) 740

(ii) 766

(iii) 733

(iv) 790

(v) 780

(vi) 785

(vii) 910

(viii) 811

(ix) 929

(x) 961

(xi) 721

(xii) 811

(xiii) 627

(xiv) 730

(xv) 993

(xvi) 935

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