Rounding Decimals Worksheets - Free Printable
Educational worksheet: Rounding Decimals Worksheets. Download and print for classroom or home learning activities.
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Step-by-step solution for: Rounding Decimals Worksheets
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Show Answer Key & Explanations
Step-by-step solution for: Rounding Decimals Worksheets
Problem Description:
The task involves rounding decimal numbers to the nearest hundredth. The worksheet provides a series of decimal numbers, and the goal is to round each number to the nearest hundredth.
Key Concepts:
1. Rounding to the Nearest Hundredth:
- The hundredth place is the second digit to the right of the decimal point.
- To round to the nearest hundredth:
- Look at the digit in the thousandth place (the third digit to the right of the decimal point).
- If this digit is 5 or greater, round up the hundredth place by 1.
- If this digit is less than 5, keep the hundredth place as it is.
- Drop all digits after the hundredth place.
2. Application:
- Apply the rounding rule to each given decimal number.
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Solution:
#### Step-by-Step Rounding:
1. 3.598:
- Hundredth place: 9
- Thousandth place: 8 (greater than 5)
- Round up the hundredth place from 9 to 10, which carries over to the tenths place.
- Result: 3.60
2. 2.7435:
- Hundredth place: 4
- Thousandth place: 3 (less than 5)
- Keep the hundredth place as 4.
- Result: 2.74
3. 7.1654:
- Hundredth place: 6
- Thousandth place: 5 (equal to 5)
- Round up the hundredth place from 6 to 7.
- Result: 7.17
4. 6.597:
- Hundredth place: 9
- Thousandth place: 7 (greater than 5)
- Round up the hundredth place from 9 to 10, which carries over to the tenths place.
- Result: 6.60
5. 8.6211:
- Hundredth place: 2
- Thousandth place: 1 (less than 5)
- Keep the hundredth place as 2.
- Result: 8.62
6. 28.2914:
- Hundredth place: 9
- Thousandth place: 1 (less than 5)
- Keep the hundredth place as 9.
- Result: 28.29
7. 21.4626:
- Hundredth place: 6
- Thousandth place: 2 (less than 5)
- Keep the hundredth place as 6.
- Result: 21.46
8. 30.593:
- Hundredth place: 9
- Thousandth place: 3 (less than 5)
- Keep the hundredth place as 9.
- Result: 30.59
9. 0.0518:
- Hundredth place: 5
- Thousandth place: 1 (less than 5)
- Keep the hundredth place as 5.
- Result: 0.05
10. 32.335:
- Hundredth place: 3
- Thousandth place: 5 (equal to 5)
- Round up the hundredth place from 3 to 4.
- Result: 32.34
11. 6.4267:
- Hundredth place: 2
- Thousandth place: 6 (greater than 5)
- Round up the hundredth place from 2 to 3.
- Result: 6.43
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Final Answer:
\[
\boxed{
\begin{array}{ll}
3.598 & \rightarrow 3.60 \\
2.7435 & \rightarrow 2.74 \\
7.1654 & \rightarrow 7.17 \\
6.597 & \rightarrow 6.60 \\
8.6211 & \rightarrow 8.62 \\
28.2914 & \rightarrow 28.29 \\
21.4626 & \rightarrow 21.46 \\
30.593 & \rightarrow 30.59 \\
0.0518 & \rightarrow 0.05 \\
32.335 & \rightarrow 32.34 \\
6.4267 & \rightarrow 6.43 \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of rounding whole numbers and decimals worksheet.