Online Self-Tests(A16)

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  1. There are 5 donuts in a box. If someone orders 15 boxes of donuts, how many donuts are there in total?

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  (1 point)

  
  

  Answer:

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  2. Determine the unknown decimal.

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  (1 point)

  
  

  2.2

  –

  =

  0.8

  
  
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  3. Opal has 8 friends. She has some cookies that she wants to share evenly with her friends. If each friend gets 7 cookies, then how many cookies did she have in the first place?

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  (1 point)

  
  

  Answer:

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  4. Determine which side of the equation is greater.

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  (>, <, or =)

  
  

  2	+	3		5
  7		7		7

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  5. Determine the unknown value that makes the equation true.

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  (1 point)

  
  

  –

  (9

  +

  3)

  =

  7

  ×

  4

  
  
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  6. If 3 + x = 5 and y = 8, find the value of y – x.

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  (1 point)

  
  

  Answer:

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