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Published byKevin Shaw Modified over 8 years ago

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Adding /Subtracting Integers Math Aero Standard 5:Level 5 and Level 6 I can understand positive and negative numbers. I can understand the absolute value and opposite of a number I can perform operations with Integers Homework Worksheet

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Warm up Absolute Value

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Adding integers Think of walking along a number line. Walk forward for a positive integer and walk backward for negative integer 12 + (-9) -4 + (-7) -50 + (-5)

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Rules for adding Integers Same Sign Find the sum of absolute value Give the sum the same sign as the addends Difference sign Find the difference of the absolute values of the two numbers Give the difference the sign of the addend with the greater absolute value

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Practice -8 + 6 -5 + (-14) 13 + 23 8 = (-16) -3 + 14 5 + (-7) 4 – (-6)

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Subtracting Integers Difference between minus sign and a negative number One is an operation and the other tells you a number is negative -7 = negative 7 -(-6) = the opposite of negative 6 3-4 = 3 minus 4 3- (-4) = 3 minus negative 4 -6 -7= negative 6 minus 7

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Rule for subtracting Integers Subtracting integers is the same as adding its opposite 3 – (-2)= -4 -1= 1-5 -6 -8=

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Practice

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Closure Weekly Worksheet Quiz

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