Shared Flashcard Set

Details

Geometry
polygon review
13
Mathematics
3rd Grade
01/27/2010

Additional Mathematics Flashcards

 


 

Cards

Term
line segment
Definition

travels in a straight path

has 2 endpoints

Term
ray
Definition

travels in a straight path

has one endpoint, but keeps going 

in the same direction

LIKE THE SUN

Term
line
Definition

travels in a straight path

keeps going in both directions

NUMBER LINE

Term
Parallel lines
Definition

a pair of lines that run next to each other

they are equal distance apart

they never touch or cross

RAILROAD TRACKS

Term
Intersecting Lines
Definition

A pair of lines that meet or cross.

X   T  L

Term
triangle
Definition

a polygon that has 3 sides, 3 angles and 3 vertices.


Term
square
Definition

a regular polygon

 has 4 equal sides, 4 right angles and 4 vertices.

Quadrangle/Quadrilateral

parallelogram

has 4 lines of symmetry

Term
rectangle
Definition

a polygon that has 4 sides, 4 right angles, and 4 vertices

Quadrangle/Quadrilateral

parallelogram

has 2 lines of symmetry

Term
polygon
Definition

a closed shape that has 3 or more sides


Term
hexagon
Definition

a polygon with 6 sides

the yellow shape in the pattern block set

can be made with 6 triangles

a regular hexagon is a parallelogram

Term
rhombus
Definition

a polygon with 4 sides

quadrangle/quadrilateral

paralellogram

SQUISHED SQUARE

Term
parallelogram
Definition
a shape that has all opposite sides parallel
Term
trapezoid
Definition

a polygon with  4 sides, 4 angles, 4 vertices

quadrangle/quadrilateral

on one pair of sides are parallel

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