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8th Math Vocab
| Term | Definition |
|---|---|
| Number | A value used to count, measure or label |
| Rational Number | A number that can be written as a fraction of integers. |
| Irrational Number | A number with a decimal that never repeats or ends. |
| Decimal expansion | The decimal representation of a number. |
| Approximation | A value close to the exact answer |
| Expression | A mathematical phrase without an equals sign. |
| Exponent | A number showing repeated multiplication |
| Power | A value written using a base and expnent |
| Equation | A mathematical statement with an equals sign |
| Variable | A symbol representing a value |
| Coefficient | A number multiplying a variable |
| Term | A single number or variable, or product of both |
| Solution | A value that makes an equation or inequality true |
| System of equations | Two or more equations with the same variables |
| Inequality | A comparison using <. >, ≤, or ≥ |
| Function | A rule that assigns each input exactly one output |
| Input | The independent value in a function |
| Output | The dependent value in a function |
| Rate of change | How one quantity increases or decreases compared to another |
| Initial value | The starting amount in a function |
| Transformation | A movement or change to a figure |
| Translation | A slide of a figure |
| Rotation | A turn of a figure |
| Reflection | A flip of a figure |
| Dilation | A resizing of a figure |
| Scale factor | The number that grows or shrinks a figure |
| Angel | The pace between two rays |
| Triangle | A three sided polygon |
| Right triangle | A triangle with a 90 angle |
| Coordinate plane | A grid with an x and a y axis |
| Distance | Length between two points |
| Pythagorean Theorem | The relationship a^2 + b^2 - c^2 |
| Converse | A reversed statement of a theorem |
| Cylinder | A 3D shape with two circular bases |
| Cone | A 3D shape with one circular base and a point |
| Sphere | A 3D round object |
| Volume | Space inside a 3D object |
| Scatter plot | A graph showing paired data points |
| Association | A relationship between two variables |
| Outlier | A point much different from the others |
| Linear model | A straight line representation of data |
| Slope | Steepness of a line |
| Intercept | Where a graph crosses an axis |
| Probability | Chance that an event happens |
| Sample space | All possible outcomes |
| Compound event | An event with multiple steps |
| Tree diagram | A visual showing outcomes step by step |
| Know | Recall or recognize information |
| Understand | Explain the meaning or reasoning |
| Apply | Use knowledge in a situation to |
| Use | Employ a tool or method |
| Evaluate | Find the value of an expression |
| Solve | Find the answer that makes a statement true |
| Transform | Change the form of an expression |
| Expand | Multiply to remove parentheses |
| Combine | Join like terms |
| Estimate | Fine an approximate value |
| Compare | Identify similarities or differences between |
| Graph | Plot on a coordinate plane |
| Interpret | Explain meaning |
| Construct | Build or create |
| Sketch | Draw a rough graph |
| Describe | Explain in words |
| Verify | Check if something is true |
| Determine | Figure out using reasoning |
| Explain | Give details about how something works |
| Identify | Recognize or point out |
| Investigate | Explore or examine |
| Represent | Show visually or clearly |
| Assess | Judge or evaluate |
| Find | Compute or discover |
Created by:
user-2018126