Ctown88.com

Online Self-Tests(A22)


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

    (1 point)

    31+

    =

    		79


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

    (1 point)

    25+

    =

    		48


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

    (1 point)

    		+18

    =

    		55


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

    (1 point)

    		+52

    =

    		95


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

    (1 point)

    121+

    =

    		157


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

    (1 point)

    		+36

    =

    		54