Online Self-Tests(CS21)

• 
  

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

  ---

  (number, +, –, ×, ÷, >, <, or =)

  
  

  18

  4

  =

  36

  +

  36

  
  
• 
  

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

  ---

  (number, +, –, ×, ÷, >, <, or =)

  
  

  +

  14

  =

  7

  ×

  4

  
  
• 
  

  3. Determine which number is greater.

  ---

  (>, <, or =)

  
  

  36

  ÷

  4

  10

  
  
• 
  

  4. Determine which number is greater.

  ---

  (>, <, or =)

  
  

  45

  –

  28

  17

  
  
• 
  

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

  ---

  (number, +, –, ×, ÷, >, <, or =)

  
  

  +

  22

  =

  37

  
  
• 
  

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

  ---

  (number, +, –, ×, ÷, >, <, or =)

  
  

  18

  4

  =

  36

  ×

  2