Adding and Subtracting Three-Digit Numbers (A) - Free Printable

The image contains a series of three-digit addition and subtraction problems. Below, I will solve each problem step by step and explain the process.

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Row 1:

1. 804 - 188
- Subtract: \( 804 - 188 = 616 \)

2. 851 - 195
- Subtract: \( 851 - 195 = 656 \)

3. 939 + 336
- Add: \( 939 + 336 = 1275 \)

4. 740 + 797
- Add: \( 740 + 797 = 1537 \)

5. 242 + 119
- Add: \( 242 + 119 = 361 \)

6. 973 + 186
- Add: \( 973 + 186 = 1159 \)

7. 165 - 104
- Subtract: \( 165 - 104 = 61 \)

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Row 2:

1. 419 - 385
- Subtract: \( 419 - 385 = 34 \)

2. 910 + 639
- Add: \( 910 + 639 = 1549 \)

3. 182 + 509
- Add: \( 182 + 509 = 691 \)

4. 629 - 220
- Subtract: \( 629 - 220 = 409 \)

5. 747 + 434
- Add: \( 747 + 434 = 1181 \)

6. 507 - 504
- Subtract: \( 507 - 504 = 3 \)

7. 468 - 164
- Subtract: \( 468 - 164 = 304 \)

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Row 3:

1. 380 + 369
- Add: \( 380 + 369 = 749 \)

2. 676 + 380
- Add: \( 676 + 380 = 1056 \)

3. 470 - 366
- Subtract: \( 470 - 366 = 104 \)

4. 439 + 747
- Add: \( 439 + 747 = 1186 \)

5. 551 - 368
- Subtract: \( 551 - 368 = 183 \)

6. 100 + 502
- Add: \( 100 + 502 = 602 \)

7. 619 - 579
- Subtract: \( 619 - 579 = 40 \)

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Row 4:

1. 774 + 234
- Add: \( 774 + 234 = 1008 \)

2. 998 - 605
- Subtract: \( 998 - 605 = 393 \)

3. 720 + 726
- Add: \( 720 + 726 = 1446 \)

4. 911 + 288
- Add: \( 911 + 288 = 1199 \)

5. 201 - 127
- Subtract: \( 201 - 127 = 74 \)

6. 379 + 802
- Add: \( 379 + 802 = 1181 \)

7. 640 + 353
- Add: \( 640 + 353 = 993 \)

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Row 5:

1. 552 + 172
- Add: \( 552 + 172 = 724 \)

2. 519 + 258
- Add: \( 519 + 258 = 777 \)

3. 922 - 839
- Subtract: \( 922 - 839 = 83 \)

4. 473 + 647
- Add: \( 473 + 647 = 1120 \)

5. 380 - 280
- Subtract: \( 380 - 280 = 100 \)

6. 221 - 127
- Subtract: \( 221 - 127 = 94 \)

7. 535 + 491
- Add: \( 535 + 491 = 1026 \)

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Row 6:

1. 541 + 306
- Add: \( 541 + 306 = 847 \)

2. 776 - 292
- Subtract: \( 776 - 292 = 484 \)

3. 154 + 468
- Add: \( 154 + 468 = 622 \)

4. 295 - 106
- Subtract: \( 295 - 106 = 189 \)

5. 931 - 230
- Subtract: \( 931 - 230 = 701 \)

6. 549 + 563
- Add: \( 549 + 563 = 1112 \)

7. 544 + 382
- Add: \( 544 + 382 = 926 \)

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Row 7:

1. 401 + 553
- Add: \( 401 + 553 = 954 \)

2. 161 + 627
- Add: \( 161 + 627 = 788 \)

3. 229 - 199
- Subtract: \( 229 - 199 = 30 \)

4. 644 + 728
- Add: \( 644 + 728 = 1372 \)

5. 221 - 123
- Subtract: \( 221 - 123 = 98 \)

6. 446 + 550
- Add: \( 446 + 550 = 996 \)

7. 871 - 147
- Subtract: \( 871 - 147 = 724 \)

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Final Answers:

\[
\boxed{
\begin{array}{ccccccc}
616 & 656 & 1275 & 1537 & 361 & 1159 & 61 \\
34 & 1549 & 691 & 409 & 1181 & 3 & 304 \\
749 & 1056 & 104 & 1186 & 183 & 602 & 40 \\
1008 & 393 & 1446 & 1199 & 74 & 1181 & 993 \\
724 & 777 & 83 & 1120 & 100 & 94 & 1026 \\
847 & 484 & 622 & 189 & 701 & 1112 & 926 \\
954 & 788 & 30 & 1372 & 98 & 996 & 724 \\
\end{array}
}
\]