Math worksheet for identifying place values of underlined digits in three-digit numbers.

Problem Explanation:

The task is to identify the place value of the underlined digit in each number. The place values are categorized as:
- H for hundreds
- T for tens
- O for ones (units)

We need to analyze each number and determine which place value the underlined digit represents.

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Solution:

#### Row 1:
1. 934: The underlined digit is 3.
- Place: Tens (T)
2. 838: The underlined digit is 3.
- Place: Tens (T)
3. 584: The underlined digit is 8.
- Place: Tens (T)
4. 942: The underlined digit is 4.
- Place: Tens (T)

#### Row 2:
5. 482: The underlined digit is 8.
- Place: Tens (T)
6. 592: The underlined digit is 9.
- Place: Tens (T)
7. 547: The underlined digit is 4.
- Place: Tens (T)
8. 220: The underlined digit is 2.
- Place: Tens (T)

#### Row 3:
9. 632: The underlined digit is 3.
- Place: Tens (T)
10. 190: The underlined digit is 9.
- Place: Tens (T)
11. 439: The underlined digit is 3.
- Place: Tens (T)
12. 695: The underlined digit is 9.
- Place: Tens (T)

#### Row 4:
13. 372: The underlined digit is 7.
- Place: Tens (T)
14. 177: The underlined digit is 7.
- Place: Tens (T)
15. 330: The underlined digit is 3.
- Place: Tens (T)
16. 392: The underlined digit is 9.
- Place: Tens (T)

#### Row 5:
17. 547: The underlined digit is 4.
- Place: Tens (T)
18. 287: The underlined digit is 8.
- Place: Tens (T)
19. 376: The underlined digit is 7.
- Place: Tens (T)
20. 585: The underlined digit is 8.
- Place: Tens (T)

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Final Answer:

All the underlined digits are in the tens place. Therefore, the answer for each number is T.

\[
\boxed{T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T}
\]