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Multiplying by 4

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
four times one   four  
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four times two   eight  
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four times three   twelve  
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four times four   sixteen  
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four times five   twenty  
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four times six   twenty-four  
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four times seven   twenty-eight  
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four times eight   thirty-two  
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four times twelve   forty-eight  
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four times nine   thirty-six  
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four times ten   forty  
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four times eleven   forty-four  
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Created by: behmk@sgate
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