Online Self-Tests(S39)

• 
  

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

  ---

  (1 point)

  
  

  37

  –

  =

  12

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  31

  =

  17

  
  
• 
  

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

  ---

  (1 point)

  
  

  22

  –

  =

  6

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  29

  =

  34

  
  
• 
  

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

  ---

  (1 point)

  
  

  36

  –

  =

  29

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  19

  =

  18