To solve the problem of identifying the place value of the underlined digit in each number, we need to understand the decimal place value system. Here's a step-by-step explanation:
Place Value System Recap:
-
Whole Number Places:
- Ones (rightmost digit)
- Tens
- Hundreds
- Thousands, etc.
-
Decimal Places:
- Tenths (first digit after the decimal point)
- Hundredths (second digit after the decimal point)
- Thousandths (third digit after the decimal point), etc.
Solution for Each Problem:
1.
3.42
- Underlined digit:
3
- Place value:
Ones
- Explanation: The digit 3 is in the ones place.
2.
5.46
- Underlined digit:
5
- Place value:
Ones
- Explanation: The digit 5 is in the ones place.
3.
7.88
- Underlined digit:
7
- Place value:
Ones
- Explanation: The digit 7 is in the ones place.
4.
56.89
- Underlined digit:
5
- Place value:
Tens
- Explanation: The digit 5 is in the tens place.
5.
78.02
- Underlined digit:
7
- Place value:
Tens
- Explanation: The digit 7 is in the tens place.
6.
7.7
- Underlined digit:
7
- Place value:
Ones
- Explanation: The digit 7 is in the ones place.
7.
9.89
- Underlined digit:
9
- Place value:
Ones
- Explanation: The digit 9 is in the ones place.
8.
11.78
- Underlined digit:
1
- Place value:
Tens
- Explanation: The digit 1 is in the tens place.
9.
1.09
- Underlined digit:
1
- Place value:
Ones
- Explanation: The digit 1 is in the ones place.
10.
0.20
- Underlined digit:
2
- Place value:
Tenths
- Explanation: The digit 2 is in the tenths place.
Final Answers:
1.
Ones
2.
Ones
3.
Ones
4.
Tens
5.
Tens
6.
Ones
7.
Ones
8.
Tens
9.
Ones
10.
Tenths
Boxed Answer:
\[
\boxed{
\begin{array}{ll}
1. & \text{Ones} \\
2. & \text{Ones} \\
3. & \text{Ones} \\
4. & \text{Tens} \\
5. & \text{Tens} \\
6. & \text{Ones} \\
7. & \text{Ones} \\
8. & \text{Tens} \\
9. & \text{Ones} \\
10. & \text{Tenths} \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of place value with decimals worksheet 3rd grade.
