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In 1st grade, now we have learnt the subtraction of 1-digit and 2-digit numbers. Right here, we are going to study easy subtraction of 3-digit numbers with out regrouping (borrowing).
We subtract 3-digit numbers in the identical method as we subtract 2-digit numbers.
Allow us to subtract 345 from 689.
To carry out the above subtraction, we take the next steps:
Step I: Write the given numbers in column type as proven.
Step II: Subtract those:
9 – 5 = 4
Write 4 below ones column.
Step III: Subtract the ten
8 – 4 = 4
Write 4 below tens column.
Step IV: Subtract the a whole bunch:
6 – 3 = 3
Write 3 below a whole bunch column.
Thus, the distinction between 689 and 345 is 344.
Questions and Solutions on Addition of 3-Digit Numbers With out Carrying:
1. Exercise the next subtraction:
|
(i) |
H T O 8 9 5 – 6 4 3 ___________ |
(ii) |
H T O 6 4 1 – 3 2 0 ___________ |
|
(iii) |
H T O 9 8 7 – 6 5 3 ___________ |
(iv) |
H T O 8 7 3 – 4 0 1 ___________ |
|
(v) |
H T O 7 5 8 – 3 2 4 ___________ |
(vi) |
H T O 9 8 6 – 5 6 4 ___________ |
|
(vii) |
H T O 3 9 4 – 2 4 0 ___________ |
(viii) |
H T O 6 8 8 – 3 7 8 ___________ |
Reply:
1. (i) 252
(ii) 321
(iii) 334
(iv) 472
(v) 434
(vi) 422
(vii) 154
(viii) 310
2. Organize in columns and add:
(i) 748 – 536
(ii) 891 – 640
(iii) 425 – 214
(iv) 675 – 451
(v) 549 – 304
(vi) 987 – 743
Reply:
2.(i) 212
(ii) 251
(iii) 211
(iv) 224
(v) 245
(vi) 244
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