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Math 7 2018-2019
SSC 7th Grade Math Vocabulary
| Term | Definition |
|---|---|
| Absolute value | A number's distance from zero |
| Additive inverse | What you add to a number to get zero. |
| Expression | Numbers, symbols and/or operations grouped together that show the value of something |
| Associative property | For all real numbers, the sum or the product is always the same, regardless of their grouping |
| Circumference | the distance around a circle |
| Commutative property | all real numbers can be added or multiplied in any order with out changing the answer. |
| Complementary angles | two angles that add to 90 degrees |
| Compound event | two or more simple events |
| Constant | a fixed value (a value that does not change) |
| Distributive property | a property that lets you multiply a sum or difference by multiplying each term separately and then adding or subtracting the products |
| Inequality | A mathematical sentence that shows the relationship between quantities that are not equal |
| Percent of change | the amount stated as a percent that a number increases or decreases |
| Perpendicular lines | intersecting lines that form right angles |
| Probability | the chance that something will happen - how likely it is that some event will happen |
| Proportion | two ratios (or fractions) that are equal |
| Rate | a ratio that compares two quantities measured in different units |
| Scale | The ratio of the length in a drawing (or model) to the length of the real thing |
| Similar | figures with the same shape but not necessarily the same size |
| Straight angle | an angle that is exactly 180 degrees |
| Supplementary angles | two angles that add to 180 degrees |
| Surface area | The sum of the areas of the faces of a 3D figure. |
| Vertical angles | A pair of opposite congruent angles formed by intersecting lines |
| Volume | The number of cubic units needed to fill a given space |
| Experimental probability | The ratio of the number of times an event actually occurs to the total number of trials performed |
| Theoretical probability | The ratio of the number of ways an outcome could happen to the number possible outcomes |
| Integer | whole numbers, their opposites, and zero |
Created by:
Kim.Mendoza