Online Self-Tests(F28)

• 
  

  1-2. Find the missing values.

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  (1 point each)

  
  

  1	+	7	=
  9		9

• 
  

  3-4. Find the missing values.

  ---

  (1 point each)

  
  

  2	+	4	+	8	=
  9		9		9

• 
  

  5-6. Find the missing values.

  ---

  (1 point each)

  
  

  2	+	6	+	5	=
  7		7		7

• 
  

  7-8. Find the missing values.

  ---

  (1 point each)

  
  

  	+	2	=	5
  		6		6

• 
  

  9-10. Find the missing values.

  ---

  (1 point each)

  
  

  4	+		=	5
  7				7

• 
  

  11-12. Find the missing values.

  ---

  (1 point each)

  
  

  3	+	1	+	4	=
  9		9		9