Place Value and Value of Digits in Three-digit Numbers.pptx

place value

1. Place Value

2. M-A-T-H Song Tune: “Are you sleeping?” M – A – T – H (2x) MATH , MATH , MATH (2X) LEARNING MATH IS MUCH FUN (2X) WE LIKE MATH (2X)

3. Place Value and Value of Digits in Three-digit Number

4. Place value - The value of a place of a digit in a number. Digits - Any one of the tens symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 used to write numbers.

5. Which digit has the greatest value? 235

6. 10 5 TENS ONES 1 5

7. 10 10 TENS ONES 2

8. =

9. TENS ONES 4 9 1 2 3 4

10. Hundreds Tens Ones 100 40 9 1 4 9 149

11. 100 40 9 + + = 149 Expanded form: The place value of 1 in 1 49 is 100. The place value of 4 in 1 4 9 is 40. The place value of 9 in 14 9 is 9. Hundreds Tens Ones 1 4 9

12. Hundreds Tens Ones 2 9 P lace holder Expanded form: 209 = 200 + + 9

13. Hundreds Tens Ones 189 234 506 1 2 5 8 3 9 4 6 P lace holder Expanded form: 189 = 100 + 80 + 9 234 = 200 + 30 + 4 506 = 500 + 0 + 6

14. Standard form - A way to write numbers by using the digits 0-9, with each digit having a place value. Example: 241 Word form - A way to write numbers by using the word for each digit. Example: 241 = two hundred forty-one. Expanded form - A way to write number by showing the value of each digit. Example: 241 = 200 + 40 + 1