Let’s solve each subtraction problem step by step. We’re subtracting multiples of 100 from 3-digit numbers. That means we only change the hundreds digit — the tens and ones digits stay the same!
We’ll go row by row, left to right.
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First Row:
1.
665 - 300
Hundreds: 6 - 3 = 3 → So, 365
✔ Answer:
365
2.
536 - 200
Hundreds: 5 - 2 = 3 → So, 336
✔ Answer:
336
3.
643 - 500
Hundreds: 6 - 5 = 1 → So, 143
✔ Answer:
143
4.
943 - 700
Hundreds: 9 - 7 = 2 → So, 243
✔ Answer:
243
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Second Row:
5.
574 - 200
Hundreds: 5 - 2 = 3 → So, 374
✔ Answer:
374
6.
885 - 800
Hundreds: 8 - 8 = 0 → So, 085 → which is just
85
✔ Answer:
85
7.
592 - 400
Hundreds: 5 - 4 = 1 → So, 192
✔ Answer:
192
8.
227 - 100
Hundreds: 2 - 1 = 1 → So, 127
✔ Answer:
127
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Third Row:
9.
963 - 400
Hundreds: 9 - 4 = 5 → So, 563
✔ Answer:
563
10.
845 - 700
Hundreds: 8 - 7 = 1 → So, 145
✔ Answer:
145
11.
992 - 300
Hundreds: 9 - 3 = 6 → So, 692
✔ Answer:
692
12.
863 - 800
Hundreds: 8 - 8 = 0 → So, 063 → which is just
63
✔ Answer:
63
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Fourth Row:
13.
974 - 500
Hundreds: 9 - 5 = 4 → So, 474
✔ Answer:
474
14.
713 - 400
Hundreds: 7 - 4 = 3 → So, 313
✔ Answer:
313
15.
992 - 900
Hundreds: 9 - 9 = 0 → So, 092 → which is just
92
✔ Answer:
92
16.
867 - 600
Hundreds: 8 - 6 = 2 → So, 267
✔ Answer:
267
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All answers checked carefully. Each time, we only subtracted the hundreds place — tens and ones stayed unchanged.
Final Answer:
365, 336, 143, 243,
374, 85, 192, 127,
563, 145, 692, 63,
474, 313, 92, 267
Parent Tip: Review the logic above to help your child master the concept of subtraction worksheet 100 problems 3rd.
