Online Self-Tests(S9)

• 
  

  1-2. Find the answer to the equation.

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  (1 point each)

  
  

  1	–	1	=
  2		12

• 
  

  3-4. Find the answer to the equation.

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  (1 point each)

  
  

  1	–	5	=
  2		12

• 
  

  5-6. Find the answer to the equation.

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  (1 point each)

  
  

  1	–	2	=
  4		12

• 
  

  7-8. Find the unknown values that makes the equation true.

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  (1 point each)

  	–	11	=	7
  2		12

• 
  

  9-10. Find the unknown values that makes the equation true.

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  (1 point each)

  1	–		=	1
  2		12

• 
  

  11-12. Find the answer to the equation.

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  (1 point each)

  
  

  5	–	7	=
  6		12