Place Value to Millions online activity - Free Printable

Problem Explanation and Solution

The worksheet focuses on understanding place value and identifying the periods (ones, thousands, millions) in numbers. Let's solve the problems step by step.

---

#### Part 1: Identify the Period of the Underlined Digits

We need to determine whether the underlined digits are in the ones period, thousands period, or millions period based on their position in the number.

##### Guidelines for Periods:
1. Ones Period: Numbers with 1, 2, or 3 digits.
2. Thousands Period: Numbers with 4, 5, or 6 digits.
3. Millions Period: Numbers with 7, 8, or 9 digits.

##### Solutions:

1. a. 45,782
- The number has 5 digits, so it is in the thousands period.
- Answer: thousands

2. b. 742,167
- The number has 6 digits, so it is in the thousands period.
- Answer: thousands

3. c. 7,321,625
- The number has 7 digits, so it is in the millions period.
- Answer: millions

4. d. 25,652,958
- The number has 8 digits, so it is in the millions period.
- Answer: millions

5. e. 764
- The number has 3 digits, so it is in the ones period.
- Answer: ones

6. f. 316,218,735
- The number has 9 digits, so it is in the millions period.
- Answer: millions

---

#### Part 2: Give the Place Value of the Underlined Digit

We need to identify the place value of the underlined digit in each number. The place values from right to left are: ones, tens, hundreds, thousands, ten thousands, hundred thousands, millions, ten millions, etc.

##### Solutions:

1. g. 8,721
- The underlined digit is 2, which is in the tens place.
- Answer: tens

2. h. 93,287
- The underlined digit is 3, which is in the thousands place.
- Answer: thousands

3. i. 15,268
- The underlined digit is 2, which is in the hundreds place.
- Answer: hundreds

4. j. 426,317
- The underlined digit is 6, which is in the thousands place.
- Answer: thousands

5. k. 592
- The underlined digit is 9, which is in the tens place.
- Answer: tens

6. l. 7,056,461
- The underlined digit is 5, which is in the hundred thousands place.
- Answer: hundred thousands

7. m. 43,297,621
- The underlined digit is 2, which is in the hundred thousands place.
- Answer: hundred thousands

8. n. 892,674
- The underlined digit is 9, which is in the ten thousands place.
- Answer: ten thousands

---

Final Answers:

#### Part 1: Periods
- a. thousands
- b. thousands
- c. millions
- d. millions
- e. ones
- f. millions

#### Part 2: Place Values
- g. tens
- h. thousands
- i. hundreds
- j. thousands
- k. tens
- l. hundred thousands
- m. hundred thousands
- n. ten thousands

---

Boxed Final Answer:

\[
\boxed{
\text{Part 1: a. thousands, b. thousands, c. millions, d. millions, e. ones, f. millions} \\
\text{Part 2: g. tens, h. thousands, i. hundreds, j. thousands, k. tens, l. hundred thousands, m. hundred thousands, n. ten thousands}
}
\]