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| consist of counting numbers, their opposites, and zero |
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| pairs of integers that are the same distance from O, such as -2 and +2 |
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| absolute value of an integer |
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| is an integers distance from zero on the number line, this is a positive number |
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| negative integers/numbers |
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| positive integers/numbers |
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| walk forward on the number line for positive numbers, walk backwards for negative numbers |
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| rules for adding integers with the same sign |
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| add the absolute values, the sum of two positive numbers is positive, for two negative numbers is negative |
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| rules for adding integers with different signs |
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| subtract the number with the smaller absolute value from the number with the larger absolute value, the sum has the same sign as the number with the larger absolute value |
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| walk forward for positive numbers, then the (-) sign means "turn around" and then walk backwards for the negative number |
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| subtracting an integer is the same as |
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| adding a number's opposite |
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| mathematical expressions use |
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| rules for multiplying integers |
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| the product of two numbers with the same sign is positive, the product of two numbers with different signs is negative |
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| rules for dividing integers |
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| the quotient of two numbers with the same sign is positive, the quotient of two numbers with different signs is negative |
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| when writing an equation, the questions you need to answer are... |
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| What do you need to find? How can you solve the problem, solve it and then look back. |
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| Strategies for Problem Solving |
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| Work backward, Find a pattern, Solve a simpler problem, or write an equation |
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