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Dylan STAAR Review

3rd Grade Math Review

TermDefinition
Sphere Curved solid figure with no faces, corners, or edges.
Cone Has 1 face, 1 corner, 0 edges.
Cylinder Has 2 faces, 0 corners, 0 edges.
Cube Has 6 faces, 8 corners, 12 edges.
Rectangular Prism Has 6 faces, 8 corners, 12 edges.
Square Pyramid Has 5 faces, 5 corners, 8 edges.
Solid Figure 3-Dimensional (not flat) shapes.
Perimeter The distance around a shape or region.
Congruent Two shapes having the same size and the same shape.
Polygon A closed plane figure formed using line segments that meet only at their endpoints. (Has no curved lines)
Symmetry An object that has sides that are mirror images.
Three-dimensional A figure that has length, width, and height.
Two-dimensional The outline or shadow of a shape, which has only length and width.
Parallel Lines that never cross.
Intersecting Lines that cross.
Perpendicular Lines that form right angles (form a lower case t)
Perimeter The distance around an object (add the outside)
Area The number of square units needed to cover a surface or shape. (Area = length x width)
Quadrilateral Polygon that has 4 sides.
Pentagon Polygon that has 5 sides.
Octagon Polygon that has 8 sides.
Hexagon Polygon that has 6 sides
Equivalent fractions Two fractions that are equal.
Mixed number A number with a whole number and a fraction.
Created by: tpatterson4430
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