1. Place Value

2. Place – the position of a digit in a number
Place – the position of a digit in a number. Example: hundreds, tens, ones
Ten
Thousands
4,867,
Hundreds
Hundredths
Hundred
Thousands
Millions
Thousands
Tens
Ones
Tenths
Thousandths

3. Value – the value of a digit according to its place in a number
Value – the value of a digit according to its place in a number. Example : 400, 60, 6
60,000
4,867,
0.06
200
4,000,000
800,000
7,000 30 1
0.4
0.005

4. Period – Each group of three digits in a large number.
Millions
Thousands
Ones
Decimals
4,867,

5. Standard Form – A way to write numbers by using the digits 0-9, with each digit having a place value.
4,867,

6. Word Form – A way to write numbers using words.
Four million, eight hundred sixty-seven thousand, two hundred thirty-one, and four hundred sixty-five thousandths

7. Expanded Form – A way to write numbers by showing the value of each digit.
4,000, , , , OR
4 x 1,000, x 10, x 10, x 1, x x x x x x 0.001

8. How do we write the following numbers in standard form?
Schimmel
Three million, seven hundred forty-two thousand, nine hundred fifty-eight
2. Twenty-five thousand, one hundred seven and fifty-six
hundredths.
3. Six hundred thirty-one and four hundred nine
thousandths

9. How do we write the following numbers in expanded form?
4,123.15 1,
9,714.53

10. How do we write the following numbers in as a decimal and a fraction?
Three and twelve hundredths

11. Seven hundred sixty-three and eighty-three thousandths

12. Nineteen and six tenths

13. How do we write the following numbers in word form?
85.426

14. 3,701.19

15. 7,