Problem Analysis:
The task involves identifying the
place value of the bold underlined digits in given decimal numbers. Additionally, there is a request to write a number in standard form based on its description.
#### Key Concepts:
1.
Place Value: Each digit in a number has a specific place value depending on its position. For whole numbers, the place values increase by powers of 10 moving from right to left (e.g., ones, tens, hundreds). For decimal numbers, the place values decrease by powers of 10 moving to the right of the decimal point (e.g., tenths, hundredths, thousandths).
2.
Standard Form: Writing a number in its numerical form based on its word description.
---
Step-by-Step Solution:
#### Part 1: Write the place value of the bold underlined digit.
1.
Number: 1.345
- The bold underlined digit is
5.
- Position: This digit is in the
thousandths place.
-
Answer: Thousandths
2.
Number: 2.2678.952
- The bold underlined digit is
9.
- Position: This digit is in the
tenths place.
-
Answer: Tenths
3.
Number: 3.925890005
- The bold underlined digit is
5.
- Position: This digit is in the
ten-millionths place.
-
Answer: Ten-millionths
4.
Number: 4.10613
- The bold underlined digit is
3.
- Position: This digit is in the
thousandths place.
-
Answer: Thousandths
5.
Number: 5.756.007
- The bold underlined digit is
7.
- Position: This digit is in the
thousandths place.
-
Answer: Thousandths
---
#### Part 2: Write the number in standard form.
-
Description: Two million four hundred twenty-six thousand nine hundred fifty-seven and three hundredths.
-
Breakdown:
- "Two million four hundred twenty-six thousand nine hundred fifty-seven" corresponds to the whole number part:
2,426,957.
- "Three hundredths" corresponds to the decimal part:
0.03.
-
Combining these parts: The number in standard form is
2,426,957.03.
---
Final Answers:
1. Thousandths
2. Tenths
3. Ten-millionths
4. Thousandths
5. Thousandths
Write this number in standard form:
2,426,957.03
---
Boxed Final Answer:
\[
\boxed{
\text{1. Thousandths, 2. Tenths, 3. Ten-millionths, 4. Thousandths, 5. Thousandths, 2,426,957.03}
}
\]
Parent Tip: Review the logic above to help your child master the concept of place values of decimals worksheet.