Practice Page
Patterns and Functions

Look for repeated patterns using place value patterns. Use the repeated number patterns to help you add and subtract larger numbers.

Write the answers, then click on the down arrow to see the answer.

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2 + 7  =  ___

 

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20 + ___ = 90

 

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___ + 700  = 900

 
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5 + 3 = ___

 

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___ + 30 = 80

 

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500 + 300 = ___

  
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4 + 6 = ___

 

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40 + ___ = 100

 

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___ + 600 = 1000

 

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9 - 4 = ___

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90 - ___ = 50

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 ___ - 400 = 500

 
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     8 - ___ = 6

  

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      ___ - 20 = 60

  

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    800 - 200 = ___

  

 
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     ___ - 3 = 2

  

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     50 - ___ = 20

  

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     500 - 300 = ___

  

 

 

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