Subtraction of 3-Digit Numbers without Regrouping
Subtraction of 3-digit numbers without regrouping are explained here with examples.
1. Ron has a ream of paper having 140 sheets in it. He has used 40 sheets for his project report. How many sheets are left in the ream?
Solution:
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To find out the number of sheets left, we will perform subtraction. To subtract 3-digit numbers, the numbers are written one below the other. While subtracting 3 digit number, we subtract ones digit first, then tens digit and finally the hundreds digit. |
 |
So, 100 pages are left with Ron.
2. Subtract 354 from 699.
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Solution: Step I: Arrange the numbers vertically. Step II: First subtract the ones column. 9 - 4 = 5 Step III: Now, subtract the tens column. 9 – 5 = 4 Lastly, subtract the hundreds column. 6 – 3 = 3 |
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Thus, 699 – 354 = 345
Questions and Answers on Subtraction of 3-Digit Numbers without Regrouping:
I. Subtract the following:
(i) 587 - 63
(ii) 864 - 54
(iii) 734 - 22
(iv) 468 - 105
(v) 351 - 30
(vi) 536 - 105
(vii) 227 - 106
(viii) 679 - 253
(ix) 783 - 260
(x) 975 - 342
(xi) 666 - 510
(xii) 897 - 451
(xiii) 793 - 482
(xiv) 503 - 200
(xv) 742 - 630
(xvi) 438 - 104
(xvii) 679 - 234
(xviii) 868 - 536
(xix) 568 - 122
(xx) 389 – 324
Answer:
I. (i) 524
(ii) 810
(iii) 712
(iv) 363
(v) 321
(vi) 431
(vii) 121
(viii) 426
(ix) 523
(x) 633
(xi) 156
(xii) 446
(xiii) 311
(xiv) 303
(xv) 112
(xvi) 334
(xvii) 445
(xviii) 332
(xix) 446
(xx) 65
II. Subtract the numbers:
(i) 453 - 41
(ii) 536 - 12
(iii) 846 - 34
(iv) 973 - 642
(v) 128 - 128
(vi) 810 - 600
(vii) 685 - 430
(viii) 786 - 243
(ix) 498 - 303
Answer:
II.(i) 453 - 41
(ii) 536 - 12
(iii) 846 - 34
(iv) 973 - 642
(v) 128 - 128
(vi) 810 - 600
(vii) 685 - 430
(viii) 786 - 243
(ix) 498 - 303
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