Grade 7 - Unit 1: Operations with Rational Numbers
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Created by:
bookswan Plus on June 28, 2012
Subjects:
Classes:
Grade 7 - CCGPS, CCGPS Math Grades 6-12
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13 terms
Terms | Definitions |
|---|---|
 Additive Inverse | The sum of a number and its additive inverse is zero. |
| Multiplicative Inverse | Numbers are multiplicative inverses of each other if they multiply to equal the identity, 1. |
| Absolute Value | The distance between a number and zero on the number line. The symbol for absolute value is shown in this equation: |-8| = 8 |
| Integers | The set of whole numbers and their opposites {-3, -2, -1, 0, 1, 2, 3, ...} |
| Long Division | Standard procedure suitable for dividing simple or complex multi-digit numbers. It breaks down a division problem into a series of easier steps. |
| Natural Numbers | The set of numbers {1, 2, 3, 4, ...}. Can also be called counting numbers. |
| Negative Numbers | The set of numbers less than zero. |
| Opposite Numbers | Two different numbers that have the same absolute value. Example: 4 and -4 are opposite numbers because both have an absolute value of 4. |
| Positive Numbers | The set of numbers greater than zero. |
| Rational Numbers | The set of numbers that can be written in the form a/b where a and b are integers and b is not 0. |
| Repeating Decimal | A decimal number in which a digit or group of digits repeats without end. |
| Terminating Decimal | A decimal that contains a finite number of digits. |
| Zero-Pair | Pair of numbers whose sum is zero. |
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