| ADDING INTEGERS 1. If the sign are the same ( + and +) (- and -), find the sum of the absolute values, and use the common sign for the sign of the answer - 4 + - 5 = -9 The absolute value of -4 = | -4| = 4 The absolute value of -5 = | -5| = 5 4 + 5 = 9 7 + 3 = 10 2. If the sign are different ( + and -) (- and +), find the difference (subtract) of the absolute values, and use the sign of the term with the largest absolute value for the sign of the answer - 4 + 5 = 1 The absolute value of -4 = | -4| = 4 The absolute value of 5 = | 5| = 5 5 - 4 = 1 7 + - 3 = 4 The absolute value of 7 = | 7| = 7 The absolute value of -3 = | - 3| = 3 7 - 3 = 4 |
| SUBTRACTING INTEGERS 1. Change the subtraction sign to addition and the sign of the second term to its opposite. Then follow the above rules for addition. 5 - (-3) = 5 + (+3) = Now follow the rules for addition - 5 - ( - 3) = -5 + ( + 3) = Now follow the rules for addition |
| APPLIED MATH I |
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| Below you will find information on the topics we cover in class. Use the information on these pages to help you review the topics. |
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| PRACTICE Go to the Funbrain site and use the practice quiz below to practice Add/Subtract Integers. Take the practice quiz as many times as you like. It is not for a grade but to practice for your test. Our secret word is math 01 Don't forget there is a space between the h and the 0. Add/Subtract Integers |