1. CONFIDENTIAL 1 Good Afternoon! 1.) What is the number missing on the number line? 0 50 100 200250 2.) Which number is the greatest? 45,012 or 45,102 3.) What is the next number in the number pattern? 6, 9, 12, 15, 18,, 24 Today we will be learning about PLACE VALUE. Answer1): 150 Answer2): 45,102 Answer3): 21

2. CONFIDENTIAL 2 WHOLE NUMBER Any of the numbers 0, 1, 2, 3, 4, 5, 6, 7, 8,......... PLACE VALUE Helps you better understand these numbers. Let's get started!!

3. CONFIDENTIAL 3 To determine the VALUE of each DIGIT in a number, we need to look at its PLACE in the number. For example, let's look at the number 423 423 Ones Place Tens Place Hundreds Place The value of the 4 is 4 hundreds or 400 The value of the 2 is 2 tens or 20 The value of the 3 is 3 ones or 3

4. CONFIDENTIAL 4 There are several ways we can write the number 423 STANDARD FORM: 423 WORD FORM: Four hundred twenty-three EXPANDED FORM: 400 + 20 + 3

5. CONFIDENTIAL 5 Look at a larger whole number such as 458,127 We can NAME the number by its digit and its place-value position

6. CONFIDENTIAL 6 458,127 Our EXPANDED FORM can be written like this: 400,000 + 50,000 + 8,000 + 100 + 20 + 7 Hundreds Place 4 58 1 2 7 Ones Place Tens Place Thousands Place Ten Thousands Place Hundred Thousands Place 400,000 50,000 8,000 100 20 7 Notice the comma Let's expand our Place-Value Chart,

7. CONFIDENTIAL 7 STANDARD FORM: 458,127 WORD FORM: Four hundred fifty-eight thousand one hundred twenty-seven We insert a comma after every 3 digits from right to left. (Don't use the word "and"......We save that word for decimals!)

8. CONFIDENTIAL 8 You try one.... WORD FORM: EXPANDED FORM: 609,115 STANDARD FORM: Hundred Thousands Place Ten Thousands Place Thousands Place Hundreds Place Tens Place Ones Place, Fill in the numbers ONES TENS HUNDREDS Answer1): Six hundred nine thousands, one hundred fifteen Answer2): 600,000+9,000+100+10+5 6 0 9 1 1 5

9. CONFIDENTIAL 9 We can extend our Place-Value Chart to the BILLIONS!! Billions,,, Ones Tens Hundreds Thousand s Ten Thousands Hundred Thousands Millions Ten Millions Hundred Millions Let's look at the number 6,987,304,215 Fill in the Place-Value spaces above. ONES TENS HUNDREDS ONES TENS HUNDREDS Notice the commas.

10. CONFIDENTIAL 10 We can extend our Place-Value Chart to the BILLIONS!! Billions,,, Ones Tens Hundreds Thousands Ten Thousands Hundred Thousands Millions Ten Millions Hundred Millions 6 9 8 7 3 0 4 2 1 5 Can you write this number in Word Form? 6 9 8 7 3 0 4

11. CONFIDENTIAL 11 We can extend our Place-Value Chart to the BILLIONS!! Billions,,, Ones Tens Hundreds Thousands Ten Thousands Hundred Thousands Millions Ten Millions Hundred Millions 6 9 8 7 3 0 4 2 1 5 Can you write this number in Expanded Form? Answer):6,000,000,000+900,000,000+80,000,0 00+7,000,000+300,000+4,000+200+10+5

12. CONFIDENTIAL 12 We can extend our Place-Value Chart to the BILLIONS!!,,, Can you fill in the appropriate Place-Value names in the pink rectangles? Billions Tens Hundreds Thousands Ten Thousands Hundred Thousands Millions Ten Millions Hundred Millions Ones

13. CONFIDENTIAL 13 Billions,,, Ones Tens Hundreds Thousands Ten Thousands Hundred Thousands Millions Ten Millions Hundred Millions Is this how you filled it in? Good Job! Let's take a break.

14. CONFIDENTIAL 14 Now let’s do some fun problems.

15. CONFIDENTIAL 15 1.) Write a 7 digit number that has a 7 in the hundred thousands place, an 8 in the thousands place, and a 2 in the tens place. Answer): 1,708,020

16. CONFIDENTIAL 16 2.) The sum of the digits in the ones place and in the hundreds place is equal to 9. The digit in the ones place is 1 number greater than the digit in the hundreds place. The digit in the tens place is 0. The number only has 3 digits. What is the number???? Answer):405

17. CONFIDENTIAL 17 3.) The Texas Almanac states that the population in the state of Texas as of January 2004 was 22,490,022. Can you write this number in word form? Answer): Twenty-two million, four hundred ninety thousand, twenty two

18. CONFIDENTIAL 18 Assessment 1.) Write each number in word form. a.)50,470 b.)8,671,400,203 Answer a): Fifty thousand, four hundred seventy Answer b): Eight billion, six hundred seventy-one million,four hundred thousands, two hundred three.

19. CONFIDENTIAL 19 2.) Write the place value of the underlined digit. a.)546,981 b.) 7,902,451 c.)56,902,853 Answer a): 500,000 Answer b): 400 Answer c): 50,000,000

20. CONFIDENTIAL 20 3.) Given this number 5,980,342,175 which digit is in the a.ten thousands place? b. tens place? c.billions place? Answer a): 4 Answer b): 7 Answer c): 5

21. CONFIDENTIAL 21 4.) Write these numbers in expanded form. a.)706,213 b.)78,009,045 Answer b): 70,000,000+8,000,000+9,000+40+5 Answer b): 700,000+6,000+200+10+3

22. CONFIDENTIAL 22 Let's review what we learned today. *PLACE VALUE helps you better understand the WHOLE NUMBERS (0,1,2,3,4,5,6,7,8,9,.....) *To determine the VALUE of each DIGIT in the number, we need to look at its PLACE in the number.

23. CONFIDENTIAL 23 Here is the Place-Value Chart to the BILLIONS place. Billions,,, Ones Tens Hundreds Thousands Ten Thousands Hundred Thousands Millions Ten Millions Hundred Millions Notice the commas separating every 3 digits.

24. CONFIDENTIAL 24 We can write numbers in three forms: STANDARD FORM: 358 WORD FORM: three hundred fifty-eight EXPANDED FORM: 300 + 50 + 8

25. CONFIDENTIAL 25 You worked very hard today!! Congratulations!