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Place Value 2.NBT.1

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
ones   Groups of 1 thing.  
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tens   Groups of ten things.  
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hundreds   Equal to 10 tens or 100 ones.  
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cube   Equal to one unit or one.  
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long   Equal to a bundle of ten.  
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flat   Equal to 100.  
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decomposing   Breaking a number apart 349 = 300 + 40 + 9  
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composing   Building a number 300 + 40 + 9 = 349  
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trading   Exchanging something for another of the came value. Example 10 ones can be traded to equal 1 tne  
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grouping   Organizing items that are the same.  
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expanded form   A way to write a number by showing the value of each individual digit forming the number. For example, 134 can be written as 134 = 100 + 30 + 4.  
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standard form   The usual way of writing numbers with digits. 567  
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Created by: melissabga
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