Standard long division worksheet featuring twenty problems for elementary math practice.

The task involves performing division operations for each of the given problems. Let's solve each problem step by step.

Row 1:

1. \( 3 \div 100 \)
- \( 100 \div 3 = 33 \) remainder \( 1 \)
- Quotient: \( 33 \), Remainder: \( 1 \)

2. \( 5 \div 451 \)
- \( 451 \div 5 = 90 \) remainder \( 1 \)
- Quotient: \( 90 \), Remainder: \( 1 \)

3. \( 7 \div 534 \)
- \( 534 \div 7 = 76 \) remainder \( 2 \)
- Quotient: \( 76 \), Remainder: \( 2 \)

4. \( 8 \div 490 \)
- \( 490 \div 8 = 61 \) remainder \( 2 \)
- Quotient: \( 61 \), Remainder: \( 2 \)

Row 2:

5. \( 4 \div 234 \)
- \( 234 \div 4 = 58 \) remainder \( 2 \)
- Quotient: \( 58 \), Remainder: \( 2 \)

6. \( 7 \div 239 \)
- \( 239 \div 7 = 34 \) remainder \( 1 \)
- Quotient: \( 34 \), Remainder: \( 1 \)

7. \( 6 \div 463 \)
- \( 463 \div 6 = 77 \) remainder \( 1 \)
- Quotient: \( 77 \), Remainder: \( 1 \)

8. \( 6 \div 478 \)
- \( 478 \div 6 = 79 \) remainder \( 4 \)
- Quotient: \( 79 \), Remainder: \( 4 \)

Row 3:

9. \( 4 \div 365 \)
- \( 365 \div 4 = 91 \) remainder \( 1 \)
- Quotient: \( 91 \), Remainder: \( 1 \)

10. \( 4 \div 90 \)
- \( 90 \div 4 = 22 \) remainder \( 2 \)
- Quotient: \( 22 \), Remainder: \( 2 \)

11. \( 6 \div 129 \)
- \( 129 \div 6 = 21 \) remainder \( 3 \)
- Quotient: \( 21 \), Remainder: \( 3 \)

12. \( 8 \div 187 \)
- \( 187 \div 8 = 23 \) remainder \( 3 \)
- Quotient: \( 23 \), Remainder: \( 3 \)

Row 4:

13. \( 3 \div 58 \)
- \( 58 \div 3 = 19 \) remainder \( 1 \)
- Quotient: \( 19 \), Remainder: \( 1 \)

14. \( 9 \div 582 \)
- \( 582 \div 9 = 64 \) remainder \( 6 \)
- Quotient: \( 64 \), Remainder: \( 6 \)

15. \( 9 \div 742 \)
- \( 742 \div 9 = 82 \) remainder \( 4 \)
- Quotient: \( 82 \), Remainder: \( 4 \)

16. \( 5 \div 462 \)
- \( 462 \div 5 = 92 \) remainder \( 2 \)
- Quotient: \( 92 \), Remainder: \( 2 \)

Row 5:

17. \( 5 \div 344 \)
- \( 344 \div 5 = 68 \) remainder \( 4 \)
- Quotient: \( 68 \), Remainder: \( 4 \)

18. \( 8 \div 679 \)
- \( 679 \div 8 = 84 \) remainder \( 7 \)
- Quotient: \( 84 \), Remainder: \( 7 \)

19. \( 2 \div 195 \)
- \( 195 \div 2 = 97 \) remainder \( 1 \)
- Quotient: \( 97 \), Remainder: \( 1 \)

20. \( 9 \div 508 \)
- \( 508 \div 9 = 56 \) remainder \( 4 \)
- Quotient: \( 56 \), Remainder: \( 4 \)

Final Answers:

\[
\boxed{
\begin{array}{cccc}
3 \div 100 & 5 \div 451 & 7 \div 534 & 8 \div 490 \\
33, 1 & 90, 1 & 76, 2 & 61, 2 \\
4 \div 234 & 7 \div 239 & 6 \div 463 & 6 \div 478 \\
58, 2 & 34, 1 & 77, 1 & 79, 4 \\
4 \div 365 & 4 \div 90 & 6 \div 129 & 8 \div 187 \\
91, 1 & 22, 2 & 21, 3 & 23, 3 \\
3 \div 58 & 9 \div 582 & 9 \div 742 & 5 \div 462 \\
19, 1 & 64, 6 & 82, 4 & 92, 2 \\
5 \div 344 & 8 \div 679 & 2 \div 195 & 9 \div 508 \\
68, 4 & 84, 7 & 97, 1 & 56, 4 \\
\end{array}
}
\]