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Online Self-Tests(A30)


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

    (1 point)

    35+

    =

    		64


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

    (1 point)

    48+

    =

    		55


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

    (1 point)

    		+47

    =

    		78


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

    (1 point)

    		+39

    =

    		62


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

    (1 point)

    231+

    =

    		287


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

    (1 point)

    		+203

    =

    		320