Online Self-Tests(B31)

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  1. Charles had 28 balloons but gave 9 away. Then he acquired twice as many balloons as he gave away. How many balloons does Charles have now?

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  (1 point)

  
  

  Answer:

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  2. Determine the unknown value.

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  (1 point)

  
  

  16

  –

  =

  9

  
  
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  3.Tam has 72 nickels that he wants to divide between 3 jars. How many money does each jar hold?

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  (1 point)

  
  

  Answer:

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  4. Multiply.

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  (1point)

  
  

  	26
  ×	5

  
  
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  5. Determine what makes the equation true.

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  (1 point)

  
  

  –

  14

  =

  8

  ×

  2

  
  
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  6. Subtract.

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  (1point)

  
  

  	53
  –	34