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Math exam notes
1st quarter
| Question | Answer |
|---|---|
| integer | a whole number that can be positive, negative, or zero |
| absolute value | the distance of a number from zero |
| opposites | numbers that are the same distance away from zero but, opposite sides of a number line |
| additive inverse | when you add the value of the number to it and get zero (-3 + 3 = 0) |
| distributive property | lets you multiply a sum by adding each addend seperatley and then add the products |
| order of operations | an order in how to calculate numbers (PEMDAS) |
| rational number | any number that can be written as a fraction |
| whole number | any positive number that doesn't have decimals, or fractions |
| terminating decimal | a decimal that doesn't go on forever |
| repeating decimal | a decimal that goes on forever; repeated numbers |
| adding with different signs | subtract and keep the sign of the number with the largest value |
| adding with the same signs | add the numbers and keep the common sign |
| subtracting integers | add the opposite (keep, change, change) |
| multiplying with different signs | the product is always negative |
| multiplying with the same signs | the product is always positive |
| dividing with different signs | the quotient is always negative |
| dividing with the same signs | the quotient is always positive |
Created by:
S732581nc
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