Grade 6 Subtraction Worksheet 2: Solve 20 equations involving three-digit and four-digit numbers.

The task involves solving a series of subtraction problems. Each problem requires subtracting multiple numbers step by step. Let's solve each equation systematically.

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Step-by-Step Solutions:

#### Problems 1–10:
1. 370 - 75 - 75 = ?
- First, subtract 75 from 370: \( 370 - 75 = 295 \)
- Then, subtract 75 from 295: \( 295 - 75 = 220 \)
- Answer: \( 220 \)

2. 315 - 110 - 68 = ?
- First, subtract 110 from 315: \( 315 - 110 = 205 \)
- Then, subtract 68 from 205: \( 205 - 68 = 137 \)
- Answer: \( 137 \)

3. 630 - 95 - 120 = ?
- First, subtract 95 from 630: \( 630 - 95 = 535 \)
- Then, subtract 120 from 535: \( 535 - 120 = 415 \)
- Answer: \( 415 \)

4. 960 - 70 - 95 = ?
- First, subtract 70 from 960: \( 960 - 70 = 890 \)
- Then, subtract 95 from 890: \( 890 - 95 = 795 \)
- Answer: \( 795 \)

5. 614 - 112 - 91 = ?
- First, subtract 112 from 614: \( 614 - 112 = 502 \)
- Then, subtract 91 from 502: \( 502 - 91 = 411 \)
- Answer: \( 411 \)

6. 765 - 85 - 175 = ?
- First, subtract 85 from 765: \( 765 - 85 = 680 \)
- Then, subtract 175 from 680: \( 680 - 175 = 505 \)
- Answer: \( 505 \)

7. 208 - 145 - 17 = ?
- First, subtract 145 from 208: \( 208 - 145 = 63 \)
- Then, subtract 17 from 63: \( 63 - 17 = 46 \)
- Answer: \( 46 \)

8. 326 - 115 - 42 = ?
- First, subtract 115 from 326: \( 326 - 115 = 211 \)
- Then, subtract 42 from 211: \( 211 - 42 = 169 \)
- Answer: \( 169 \)

9. 264 - 114 - 70 = ?
- First, subtract 114 from 264: \( 264 - 114 = 150 \)
- Then, subtract 70 from 150: \( 150 - 70 = 80 \)
- Answer: \( 80 \)

10. 112 - 14 - 22 = ?
- First, subtract 14 from 112: \( 112 - 14 = 98 \)
- Then, subtract 22 from 98: \( 98 - 22 = 76 \)
- Answer: \( 76 \)

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#### Problems 11–20:
11. 550 - 65 - 110 = ?
- First, subtract 65 from 550: \( 550 - 65 = 485 \)
- Then, subtract 110 from 485: \( 485 - 110 = 375 \)
- Answer: \( 375 \)

12. 636 - 96 - 114 = ?
- First, subtract 96 from 636: \( 636 - 96 = 540 \)
- Then, subtract 114 from 540: \( 540 - 114 = 426 \)
- Answer: \( 426 \)

13. 247 - 90 - 35 = ?
- First, subtract 90 from 247: \( 247 - 90 = 157 \)
- Then, subtract 35 from 157: \( 157 - 35 = 122 \)
- Answer: \( 122 \)

14. 610 - 360 - 54 = ?
- First, subtract 360 from 610: \( 610 - 360 = 250 \)
- Then, subtract 54 from 250: \( 250 - 54 = 196 \)
- Answer: \( 196 \)

15. 822 - 114 - 108 = ?
- First, subtract 114 from 822: \( 822 - 114 = 708 \)
- Then, subtract 108 from 708: \( 708 - 108 = 600 \)
- Answer: \( 600 \)

16. 720 - 260 - 27 = ?
- First, subtract 260 from 720: \( 720 - 260 = 460 \)
- Then, subtract 27 from 460: \( 460 - 27 = 433 \)
- Answer: \( 433 \)

17. 236 - 126 - 50 = ?
- First, subtract 126 from 236: \( 236 - 126 = 110 \)
- Then, subtract 50 from 110: \( 110 - 50 = 60 \)
- Answer: \( 60 \)

18. 119 - 96 - 11 = ?
- First, subtract 96 from 119: \( 119 - 96 = 23 \)
- Then, subtract 11 from 23: \( 23 - 11 = 12 \)
- Answer: \( 12 \)

19. 604 - 128 - 82 = ?
- First, subtract 128 from 604: \( 604 - 128 = 476 \)
- Then, subtract 82 from 476: \( 476 - 82 = 394 \)
- Answer: \( 394 \)

20. 917 - 117 - 52 = ?
- First, subtract 117 from 917: \( 917 - 117 = 800 \)
- Then, subtract 52 from 800: \( 800 - 52 = 748 \)
- Answer: \( 748 \)

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Final Answers:

\[
\boxed{
\begin{array}{ll}
1. & 220 \\
2. & 137 \\
3. & 415 \\
4. & 795 \\
5. & 411 \\
6. & 505 \\
7. & 46 \\
8. & 169 \\
9. & 80 \\
10. & 76 \\
11. & 375 \\
12. & 426 \\
13. & 122 \\
14. & 196 \\
15. & 600 \\
16. & 433 \\
17. & 60 \\
18. & 12 \\
19. & 394 \\
20. & 748 \\
\end{array}
}
\]