Online Self-Tests(S28)

• 
  

  1. Determine the unknown value that makes the equation true.

  ---

  (1 point)

  
  

  –

  45

  =

  83

  
  
• 
  

  2. Determine the unknown value that makes the equation true.

  ---

  (1 point)

  
  

  65

  –

  =

  65

  
  
• 
  

  3. Determine the unknown value that makes the equation true.

  ---

  (1 point)

  
  

  –

  63

  =

  78

  
  
• 
  

  4. Determine the unknown value that makes the equation true.

  ---

  (1 point)

  
  

  66

  –

  =

  66

  
  
• 
  

  5. Determine the unknown value that makes the equation true.

  ---

  (1 point)

  
  

  –

  57

  =

  69

  
  
• 
  

  6. Determine the unknown value that makes the equation true.

  ---

  (1 point)

  
  

  145

  –

  =

  110