Subtraction of 3Digit Numbers without Regrouping
Subtraction of 3digit 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:
To find out the number of sheets left, we will perform subtraction.
To subtract 3digit 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.
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


Thus, 699 – 354 = 345
Questions and Answers on Subtraction of 3Digit 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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