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Online Self-Tests(E23)


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

    (+, –, x, ÷)
    7

    		6

    =

    		6÷6
    13


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


    		x 2+20

    =

    		40


  • 3. Determine which side of equation is greater.

    (>, <, or =)

    2×6

    		6+6


  • 4. Determine which side of equation is greater.

    (>, <, or =)

    8×8

    		82


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


    		÷3+3

    =

    		6


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

    (+, –, x, ÷)

    49

    		7+7

    =

    		14