Online Self-Tests(A12)

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  1-2. Find the unknown values.

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  (1 point each)

  
  

  1	+	1	2	=	2
  2			3

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  3-4. Find the unknown values.

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  (1 point each)

  
  

  1	1	+	2	=	2
  	2		3

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  5. Simplify.

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  (1 point)

  
  

  8	=
  2

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  6. Find the unknown value.

  
  

  x	+	1.5	=	1	5
  3					6

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  (1 point)

  
  

  Answer:

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  7. Find the unknown value.

  
  

  x	+	0.5	=	1	1
  3					6

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  (1 point)

  
  

  Answer:

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  8. Find the unknown values.

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  (1 point)

  
  

  9	=		1
  2			2