SFAW Mathematics Chapter 1  Lesson 1-3  Page 8  
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  Lesson 1-3    
WARM UP
  Key Idea
Numbers less than
1 can be written
using decimal
place value.
Place Value Through Thousandths
LEARN
  Vocabulary
• tenths
• hundredths
• thousandths
• equivalent
  decimals
  How can you represent decimals?
When Trisha went to England, she got
1.516 British pounds for each U.S. dollar.
Here are different ways to represent 1.516.
Grids:   Grids  
 
TEST TALK
Number line: Number line
 
Place-value
chart:
Place-value chart
Expanded form: 1 + 0.5 + 0.01 + 0.006
Standard form: 1.516
Word form: one and five hundred sixteen thousandths
Example A
Write the values of the red digits in 1.516.
The 5 is in the tenths place. Its value is 0.5.
The 6 is in the thousandths place. Its value is 0.006.
Talk About It
 
1.  In Example A, there are two 1s in 1.516. Does each 1
 have the same value? Explain.
2.  In word form, how do you read the decimal point?
3.  Each small square is what part of the grid shown above?
   
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