Math 3rd grade
About this set
Created by:
AjiteshPrime on June 12, 2012
Description:
Vocabulary
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33 terms
Terms | Definitions |
|---|---|
 analog | time shown on a clock or watch with hour and minute hands (not digital) |
| cube | a rectangular solid with 6 congruent square faces |
| face | a flat surface (or plane) that is one side of a solid figure |
| hexagon | a 6-sided figure |
| line | a straight path extending in both directions with no endpoints |
| line of symmetry | a line that divides a figure into two halves that are mirror images of each other |
| line segment | part of a line with two endpoints |
| number sentence | a math equation with numbers |
| octagon | an 8-sided shape |
| ordered pair | a pair of numbers used to locate a point on a grid |
| parallel lines | lines that never intersect and are always the same distance apart |
| pentagon | a 5-sided shape |
| perpendicular lines | two lines that intersect to form right angles |
| pictograph | a graph that uses pictures to show and compare information |
| pyramid | a solid figure with a polygon base and triangular sides that meet at a single point |
| sphere | a solid figure that is also called a ball |
| tally chart | a table that uses tally marks to record data |
| addend | a number that is being added |
| array | a rectangular arrangement of objects in equal rows or columns |
| cone | a solid figure that has a circular base and one vertex |
| cylinder | a solid figure with 2 circular bases that are parallel and congruent |
| edge | the line segment where 2 faces of a solid figure meet |
| equivalent | having the same value |
| fact family | a set of related addition/subtraction or multiplication/division equations that use the same numbers |
| inequality | a math sentence that contains a symbol showing that the terms on either side are unequal |
| perimeter | the distance around a figure |
| quadrilateral | a polygon with 4 sides |
| volume | the amount of space that a solid figure can hold |
| transformation | moving a figure to a new position by slide (translation), flip (reflection), or turn (rotation) |
| whole number | any of the counting numbers |
| translation | moving a figure without turning or flipping it (slide) |
| rotation | moving a figure by turning it around a fixed point (turn) |
| congruent | figures with the same size and shape |
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