Online Self-Tests(B21)

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  1. Rachel has 7 dolls, Nina has 5 dolls, and Terri has 12 dolls. How many dolls do they have in total?

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  (1 point)

  
  

  Answer:

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  2. Determine the unknown value.

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  (1 point)

  
  

  15

  –

  =

  1

  
  
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  3.Brett has 76 marbles. If he distributes them evenly among 4 boxes, how many marbles are in each box?

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  (1 point)

  
  

  Answer:

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  4. Multiply.

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  (1point)

  
  

  	14
  ×	5

  
  
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  5. Determine what makes the equation true.

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  (1 point)

  
  

  –

  2

  =

  2

  x

  5

  
  
• 
  

  6. Subtract.

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  (1point)

  
  

  	50
  –	27