Online Self-Tests(A5)

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  1-2. Find the unknown values.

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  (1 point each)

  
  

  2	+	3	=
  3		3

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  3-4. Find the unknown values.

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  (1 point each)

  
  

  1	+	1	=
  4		3

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  5. Simplify.

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  (1 point each)

  
  

  10	=
  5

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  6. Find the unknown values.

  
  

  x	+	2	=	12
  3		4		12

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  (1 point)

  
  

  Answer:

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  7. Find the unknown values.

  
  

  2	+	x	=	11
  3		4		12

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  (1 point)

  
  

  Answer:

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  8. Find the unknown values.

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  (1 point)

  
  

  3	=		4
  2			8