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Math Vocabulary
This is the vocabulary essential for success in Math!
| Term | Definition |
|---|---|
| Ratio | Two numbers with something in common; can be compared and written as a fraction. |
| Dilation | To enlarge something or make it smaller. |
| Scale Factor | To make a shape or object large or small by multipying it by a number. |
| Similar Figure | A shape or object that has the same proportions, but may be a different size. |
| Pentagon | A five sided, two-dimensional shape. |
| Hexagon | A six sided, two-dimensional shape. |
| Rectangle | A four sided, two-dimensional shape with four right angles. |
| Triangle | A three sided, two-dimensional shape. |
| Reflection | To create a new shape by reflecting an image across a line; a mirror image. |
| Translation | To move a shape a certain amount on a coordinate plane. |
| Transformation | Movement of geometric figures to new points in a coordinate system using reflection (flip), translation (slide), or rotation (turn). |
| Rotation | Turning a figure around a point, (center of rotation is point). |
| circle graph | a graph used to compare parts of a whole. The circle represents the whole |
| common factor | a number that is a factor of two or more numbers . Common factors of 2 and 8 are 1 and 2. |
| composite numbers | numbers that have 3 or more factors |
| congruent | figures with the same size and shape. Line segments that are equal in length |
| diameter | the distance across a circle through its center |
| dividend | the number being divided into equal groups |
| end point | the point at one end of a line segment or ray |
Created by:
jrhigh
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