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Online Self-Tests(A35)


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

    (1 point)

    233+

    =

    		406


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

    (1 point)

    153+

    =

    		306


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

    (1 point)

    		+278

    =

    		399


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

    (1 point)

    		+143

    =

    		305


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

    (1 point)

    234+

    =

    		424


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

    (1 point)

    		+421

    =

    		783