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Online Self-Tests(A37)


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

    (1 point)

    183+

    =

    		253


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

    (1 point)

    416+

    =

    		426


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

    (1 point)

    		+313

    =

    		639


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

    (1 point)

    		+87

    =

    		245


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

    (1 point)

    146+

    =

    		764


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

    (1 point)

    		+453

    =

    		558