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Online Self-Tests(E21)


  • 1. Determine the operation sign that makes the equation true.

    (+, –, ×, ÷)

    4

    		4

    =

    		16


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


    		+15+18

    =

    		36


  • 3. Determine which side of the equation is greater.

    (>, <, or =)

    58–49

    		10


  • 4. Determine which side of the equation is greater.

    (>, <, or =)

    54÷2

    		24


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


    		+5+20

    =

    		36


  • 6. Determine the operation sign that makes the equation true.

    (+, –, ×, ÷)

    24

    		18

    =

    		42