Online Self-Tests(S40)

• 
  

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

  ---

  (1 point)

  
  

  90

  –

  =

  56

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  56

  =

  106

  
  
• 
  

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

  ---

  (1 point)

  
  

  100

  –

  =

  86

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  67

  =

  97

  
  
• 
  

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

  ---

  (1 point)

  
  

  120

  –

  =

  66

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  66

  =

  32