Adding Real Numbers
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Adding Real Numbers CHANGE ALL ______________ SIGNS TO A ___________________ RAP! - PowerPoint PPT Presentation


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Adding Real Numbers CHANGE ALL ______________ SIGNS TO A ___________________ RAP! 1. 4. 7. 2. 5. 8. 3. 6. 9. Evaluate the expressions. 10. 12. 11. 13. THINK!. double. -2 -1 0 1 2 3. single sign.

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  • CHANGE ALL

  • ______________ SIGNS

  • TO A ___________________

  • RAP!

  • 1. 4. 7.

  • 2. 5. 8.

  • 3. 6. 9.

  • Evaluate the expressions.

  • 10. 12.

  • 11. 13.

  • THINK!

    double

    -2 -1 0 1 2 3

    single sign

    Double signs ADD . . . signs opposite SUBTRACT!


    Story Problems

    14. A football team gains 2 yards and then loses 7 yards in two plays. You express a loss of 7 as -7. Use addition to find the result of the two plays.

    15. The temperature falls 15 degrees and then rises 18 degrees. Find the change in temperature.

    Adding Matrices:

    16.

    17.


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