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Online Self-Tests(A40)


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

    (1 point)

    405+

    =

    		533


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

    (1 point)

    515+

    =

    		836


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

    (1 point)

    		+435

    =

    		912


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

    (1 point)

    		+427

    =

    		654


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

    (1 point)

    344+

    =

    		636


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

    (1 point)

    		+507

    =

    		596