Online Self-Tests(F20)

• 
  

  1-2. Find the missing values.

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  (1 point each)

  
  

  2	+	9	=
  14		14

• 
  

  3-4. Find the missing values.

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  (1 point each)

  
  

  4	+	2	=
  8		8

• 
  

  5-6. Find the missing values.

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  (1 point each)

  
  

  4	+	5	=
  6		6

• 
  

  7-8. Find the missing values.

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  (1 point each)

  
  

  	+	1	=	6
  		5		5

• 
  

  9-10. Find the missing values.

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  (1 point each)

  
  

  3	+		=	7
  8				8

• 
  

  11-12. Find the missing values.

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  (1 point each)

  
  

  3	+	2	=
  4		4