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Lesson on addition of integers.

Lesson on addition of integers.

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    1 5 Rr 1 5 Rr Presentation Transcript

    • Frayer Model Examples Nonexamples Definition Characteristics absolute value a number's distance from zero on the number line
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    • Adding Integers Same Signs Add and Keep The sum of two positive integers is positive and the sum of two negative integers is negative. Different Signs Subtract Find the difference of the absolute value of two integers with different signs. Keep the sign of of the integer with the greater absolute value.
    • Try some: 1. 2 + (-6) 2. -4 + 9 3. -22 + (-16) 4. 60 + (-13)
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    • Evaluate each expression for n = -12 1. n - 25 2. 36 + n 3. n + 18 + n
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