| Term | Definition |
|---|
| estimate | an answer that is an approximation |
| integers | the set of positive whole numbers and their oppposites(negative numbers) and 0 |
| fraction | A number that names part of a whole or group. |
| percent | a ratio that compares a number to 100. |
| rhombus | a quadrilateral with 4 sides the same length, and no right angles |
| trapezoid | a quadrilateral with exactly one pair of parallel sides |
| square | Quadrilateral with 4 equal sides and 4 equal angles |
| solid figure | a three-dimensional shape |
| plane figure | a two-dimensional shape |
| dimensions | length, width, and height |
| proportion | two equal ratios/rates |
| isosceles triangle | a triangle with two equal sides |
| right triangle | a triangle with one right angle |
| scalene triangle | a triangle with no sides of equal length |
| equilateral triangle | a triangle with 3 sides of the same length |
| regular polygon | a polygon with all sides and all angles equal |
| acute triangle | a triangle whose interior angles are all acute |
| obtuse triangle | a triangle with one obtuse angle |
| volume | The number of cubic units needed to fill the space inside the 3D figure |
| area | the number of square units needed to cover a flat surface. |
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