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PLACE VALUE

PLACE VALUE. Three Ways We Write Numbers. Different Ways to Write a Number. standard form - the normal way we write numbers Examples 456 1,284 9,764,432. Different Ways to Write a Number. expanded form - the “long” way to write a number Example 400 + 70 + 8 = 478.

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PLACE VALUE

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  1. PLACE VALUE Three Ways We Write Numbers

  2. Different Ways to Write a Number standard form - the normal way we write numbers Examples 456 1,284 9,764,432

  3. Different Ways to Write a Number expanded form - the “long” way to write a number Example 400 + 70 + 8 = 478

  4. Different Ways to Write a Number word form - writing a number using “words” Example three hundred twenty five *NOTICE THAT THE WORD “AND” WAS NOT INCLUDED

  5. Review What are the three ways we have learned to write numbers? standard, expanded, and word form

  6. Using All Three Ways to Write a Number 700 + 80 + 9 = 789 seven hundred eighty nine

  7. Place Value Chart

  8. Create a Number • If I were to give you a number, could you create it? • We are going to create numbers using base-ten blocks!

  9. Meet My Friends = 1 unit What happens when you put 10 units together?

  10. Here’s What you Get! = 1 rod (group of 10)

  11. What Do You Get? What do you get when you have 10 of these?

  12. A FLAT! How many squares are in a flat? 100!

  13. Let’s Make a Number 325

  14. Try a Few at Your Seat 1) 32 4) 341 2) 47 5) 125 3) 234 6) 552

  15. How About a Four Digit Number? 1,232

  16. Why is a Place Value Chart Important? The value of the 3 is 300. The value of the 7 is 70 The value of 8 is 8.

  17. Here’s a Magic Trick! You can always find the “value” of a number by simply replacing the digits with zeros! Example 762 The first number is 7, so how many zeroes? (two) The value of the 7 is 700.

  18. Examples Find the value of the underlined digits in the following numbers. • 762 3) 4,321 • 588 4) 874

  19. Find the Value 764,323 Find the value of any of the numbers.

  20. How Do You Read Numbers? How would you read the number… 764,323 Say the word “thousand”

  21. Practice a Few • 56 5) 6,791 • 781 6) 4,208 • 320 7) 22,082 • 4,652 8) 43,983

  22. HOW ABOUT THIS ONE! 432,987,432 Say “millions”

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