Online Self-Tests(CS9)

• 
  

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

  ---

  (number, +, –, x, ÷, >, <, or =)

  
  

  30

  2

  =

  20

  –

  5

  
  
• 
  

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

  ---

  (number, +, –, x, ÷, >, <, or =)

  
  

  +

  30

  =

  30

  ×

  2

  
  
• 
  

  3. Determine which number is greater.

  ---

  (>, <, or =)

  
  

  30

  ÷

  6

  6

  ×

  1

  
  
• 
  

  4. Determine which number is greater.

  ---

  (>, <, or =)

  
  

  60

  –

  15

  45

  
  
• 
  

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

  ---

  (number, +, –, x, ÷, >, <, or =)

  
  

  +

  60

  =

  90

  
  
• 
  

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

  ---

  (number, +, –, x, ÷, >, <, or =)

  
  

  60

  30

  =

  30

  ×

  3