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What are the missing numbers? 
| 1.  | What's the missing number? 5, ___, 15, 20 
 
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| 2.  | What comes after in this pattern?: 6, 8, ___, ___, ___, ___  
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| 3.  | What comes after in this pattern?: 0, 10, ___, ___, ___, ___  
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| 4.  | What's the missing number? 20, ___, 30, 35 
 
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| 5.  | What comes after in this pattern?: 4, 6, ___, ___, ___, ___  
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| 6.  | What's the missing number? 10, ___, 30, 40 
 
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What are the missing numbers? 
| 1.  | What's the missing number? 25, ___, 75, 100 
 
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| 2.  | What's the missing number? 300, ___, 500, 600 
 
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| 3.  | What's the missing number? 200, 300, ___, 500 
 
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| 4.  | What comes after in this pattern?: 0, 100, ___, ___, ___, ___  
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| 5.  | What comes after in this pattern?: 100, 125, ___, ___, ___, ___  
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| 6.  | What comes after in this pattern?: 50, 100, ___, ___, ___, ___  
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What are the missing numbers? 
| 1.  | What's the missing number? 100, 150, ___, 250 
 
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| 2.  | What's the missing number? 100, 200, ___, 400 
 
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| 3.  | What's the missing number? 20, 25, ___, 35 
 
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| 4.  | What's the missing number? 0, 50, ___, 150 
 
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| 5.  | What comes after in this pattern?: 300, 400, ___, ___, ___, ___  
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| 6.  | What's the missing number? 30, 40, ___, 60 
 
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| 7.  | What comes after in this pattern?: 0, 50, ___, ___, ___, ___  
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| 8.  | What's the missing number? 8, 10, ___, 14 
 
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