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Online Self-Tests(A38)


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

    (1 point)

    313+

    =

    		553


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

    (1 point)

    266+

    =

    		526


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

    (1 point)

    		+436

    =

    		489


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

    (1 point)

    		+273

    =

    		354


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

    (1 point)

    144+

    =

    		466


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

    (1 point)

    		+258

    =

    		353