3rd Grade: Geometry Vocabulary Week 1

Two lines that will never intersect/ meet

• perpendicular lines

• acute lines

• parallel lines

• pickle lines

a quadrilateral with EXACTLY 1 pair of opposite sides that a parallel

• trapezoid

• right angle

• parallellogram

• quadrilateral

A closed figure with 4 sides

• triangle

• octagon

• quadrilateral

• fouralateral

A quadrilateral (4) with exactly one pair of opposite sides that are parallel

• parallelogram

• quadrilateral

• trapezoid

• It's a trap!!!

a hexagon has ____ sides

• 6

• 5

• 8

• 10

Two line segments or rays that meet an endpoint form an _______

• triangle

• rays

• lines

• angle

a quadrilateral (4) with the opposite sides that are parallel and the opposite sides are the same length. All four sides are not necessarily the same length.

• square

• Hey!.... You are wrong!

• quadrilateral

• rectangle

a quadrilateral ( 4) with opposite sides that are parallel and the opposite sides also have the same length. This can also be a square and a rectangle

• square

• parallelogram

• quadrilateral

• pickle

 is part of a line that has one endpoint and continues forever in one direction. 

• angle

• ray

• parallell

• pickle

an angle that forms a square corner

• wrong angle

• acute angle

• obtuse angle

• right angle