Online Self-Tests(S25)

• 
  

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

  ---

  (1 point)

  
  

  –

  28

  =

  12

  
  
• 
  

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

  ---

  (1 point)

  
  

  14

  –

  =

  4

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  17

  =

  17

  
  
• 
  

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

  ---

  (1 point)

  
  

  19

  –

  =

  7

  
  
• 
  

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

  ---

  (1 point)

  
  

  –

  15

  =

  16

  
  
• 
  

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

  ---

  (1 point)

  
  

  13

  –

  =

  5