# Subtraction of 3-Digit Numbers with Regrouping

Subtraction of 3-digit numbers with regrouping  are explained here with examples.

As you borrow from the tens column, you can borrow from the hundreds column also.

REmember:

1 ten = 10 ones

1 hundred = 10 tens

Solved Examples on Subtraction of 3-Digit Numbers with Regrouping:

 1. Subtract 674 – 458Step I: Arrange the numbers vertically.Step II: Subtract the ones column. Since, 8 > 4 and we cannot subtract 8 from 4. So, we regroup 7 tens and 4 ones. Now, 7 tens + 4 ones = 6 tens and 14 ones. 14 – 8 = 6 onesStep III: Subtract the tens column. 6 – 5 = 1 tensStep IV: Subtract the hundreds column. 6 – 4 = 2 hundreds. Thus, 674 – 458 = 216

2. Subtract 747 – 489.

 Step I: Arrange the numbers vertically.Step II: Subtract the ones column. Since, 9 > 7 and we cannot subtract 9 from 7. So, we regroup 4 tens and 7ones. Now, 4 tens + 7 ones = 3 tens and 17 ones. 17 – 9 = 8 onesStep III: Subtract the tens column. Since, 1 ten is regrouped by ones column, so we are left with 4 – 1 = 3 tens. We cannot subtract 8 from 3. So, we regroup 7 hundreds and 3 tens. Now, 7 hundreds + 3 tens = 6 hundreds and 13 tens.  13 – 8 = 5 tens Step IV: Subtract the hundreds column. 6 – 4 = 2 hundreds. Thus, 747 - 489 = 258

Word Problems on Subtraction of 3-Digit Numbers with Regrouping:

3.  There are 705 birds living in the garden. During winters, 438 flew away. How many birds were left in the garden?

Solution:

Birds in the garden = 705

Birds flew away during winters = 438

Questions and Answers on Subtraction of 3-Digit Numbers with Regrouping:

I. Subtract the following:

(i) 625 - 56

(ii) 464 - 79

(iii) 552 - 88

(iv) 814 - 156

(v) 732 - 163

(vi) 406 - 387

(vii) 862 - 195

(viii) 608 - 125

(ix) 233 - 156

(x) 428 - 397

(xi) 786 - 397

(xii) 984 - 592

(xiii) 642 - 555

(xiv) 983 - 394

(xv) 437 - 157

(xvi) 840 - 800

I. (i) 569

(ii) 385

(iii) 464

(iv) 658

(v) 569

(vi) 19

(vii) 667

(viii) 483

(ix) 77

(x) 31

(xi) 389

(xii) 372

(xiii) 87

(xiv) 589

(xv) 280

(xvi) 40

II. Subtract the numbers:

(i) 235 - 67

(ii) 652 - 285

(iii) 447 - 285

(iv) 672 - 87

(v) 805 - 299

(vi) 844 - 666

(vii) 554 - 368

(viii) 422 - 173

(ix) 892 – 509

II. (i) 168

(ii) 367

(iii) 162

(iv) 585

(v) 506

(vi) 178

(vii) 186

(viii) 249

(ix) 383

III. Fill in the missing number. First one has been done for you.

III. (ii) 7, 7

(iii) 7, 7

(iv) 13, 13

IV. Fill in the missing numbers:

IV. (i) 3, 3

(ii) 4, 2

(iii) 0, 6

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