Online Self-Tests(B23)

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  1. Last year, an apple orchard produced 163 apples. This year, they produced 39 apples less than last year. How many apples did they produce overall?

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  (1 point)

  
  

  Answer:

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  2. Determine the unknown decimal.

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  (1 point)

  
  

  46

  –

  =

  29

  
  
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  3.A school has 36 classrooms. If each classroom has 8 desks, how many desks are there in total?

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  (1 point)

  
  

  
  
  

  Answer:

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

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  (1 point)

  
  

  ÷

  7

  =

  14

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

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  (1 point)

  
  

  –

  (3

  +

  9)

  =

  9

  ÷

  3

  
  
• 
  

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

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  (1 point)

  
  

  ×

  3

  =

  135