2. Place – the position of a digit in a number. Example: hundreds, tens, ones 4,867,231.465 Hundred Thousands Millions Ten Thousands Hundreds TensOnesTenths Hundredths Thousandths

3. Value – the value of a digit according to its place in a number. Example : 400, 60, 6 4,867,231.465 800,000 4,000,000 60,000 7,000 200 3010.4 0.06 0.005

4. Period – Each group of three digits in a large number. 4,867,231.465 DecimalsOnesThousandsMillions

5. Standard Form – A way to write numbers by using the digits 0-9, with each digit having a place value. 4,867,231.465

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. 4,000,000 + 800,000 + 60,000 + 7,000 + 200 + 30 + 1 + 0.4 + 0.06 + 0.005

9. How do we write the following numbers in standard form? 1.Nine hundred fifty-eight and forty-two hundredths 2. Twenty-five thousand, seventy-four and three thousandths 3. Four hundred nine and one hundred fourteen thousandths

10. How do we write the following numbers in word form? 283.164 405.93 3,186.048 2,830.7

11. How do we write the following numbers in expanded form? 641.23 807.549 1,573.098 9,714.538

13. How do we write the following numbers in standard form? Seven thousand, nine hundred forty-two, and twenty-three thousandths

14. Seven hundred sixty-three and two hundred eighty- three thousandths

15. Fifty-seven thousand, one hundred thirty-six and two hundred three thousandths

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

17. 370.119

18. 7,526.806

19. 24,583.068

20. How do we write the following numbers in expanded form? 29.058

21. 358.702

22. 1,234.067

23. 408.569