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math problems

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
If u have a number that is 2 digits you minus 37 add 16 and times by 10 what is the starting number if you know have 660.   87  
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12x12   144  
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10x10   100  
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16+20-14   22  
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if you have three dogs and one goes missing then you find 2. How many dogs do you have now?   4 dogs  
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4x4   32  
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16+16   32  
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37-20   17  
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8x8   64  
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9x9   81  
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9x8   72  
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50-25   25  
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4x25-1   99  
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16x25   400  
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18+37   55  
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Created by: toftelanddane
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