Online Self-Tests(F39)

• 
  

  1-2. Find the missing values.

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  (1 point each)

  
  

  	–	5	=	5
  13				13

• 
  

  3-4. Find the missing values.

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  (1 point each)

  
  

  9	–		=	1
  14		14

• 
  

  5-6. Find the missing values.

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  (1 point each)

  
  

  8	–	2	=
  		6		6

• 
  

  7-8. Find the missing values.

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  (1 point each)

  
  

  	–	3	=	4
  		5		5

• 
  

  9-10. Find the missing values.

  ---

  (1 point each)

  
  

  5	–		=	3
  10				10

• 
  

  11-12. Find the missing values.

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  (1 point each)

  
  

  4	–	2	=
  5		5