Online Self-Tests

• 
  

  1. If x = 5, find the value of 2 + (x – 3).

  ---

  (1 point)

  
  

  Answer:

  ---
• 
  

  2. Evaluate the expression below when x = 2.

  (3 + x) – 3

  ---

  (1 point)

  
  

  Answer:

  ---
• 
  

  3. If x = 15, find the value of x – (9 + 3).

  ---

  (1 point)

  
  
  
  

  Answer:

  ---
• 
  

  4. If x = 28, find the value of 66 – x.

  ---

  (1 point)

  
  
  
  

  Answer:

  ---
• 
  

  5. Evaluate the expression below when x = 17 and y = 9.

  x – y

  ---

  (1 point)

  
  

  Answer:

  ---
• 
  

  6. If x = 14 and y = 8, find the value of x – y.

  ---

  (1 point)

  
  

  Answer:

  ---