4th Grade Chinese Immersion Class Yu Laoshi Geometry main terms 4th Grade Chinese Immersion Class Yu Laoshi
Any 2-dimensional (flat) area Plane
A point is an exact location in space.
A line is a straight path of points that goes on and on in two directions.
A line with two endpoints B Line Segment
A line with one endpoint Ray http://www.mathleague.com/help/geometry/basicterms.htm#rays
This triangle contains 3 vertices. The point at which two rays meet. This triangle contains 3 vertices. Vertex
Two rays that meet at a vertex Angle http://www.kidport.com/Grade5/Math/MeasureGeo/MeasuringAngles.htm
Two perpendicular lines which form a 90 degree angle. Right Angle http://www.mathsnet.net/shape/category1.html
Two lines, equal distance apart that will never touch or intersect; non-intersecting lines Parallel Lines http://www.homeschoolmath.net/teaching/g/parallel_and_perpendicular.php
Lines that intersect at right angles to each other. Perpendicular Lines http://www.homeschoolmath.net/teaching/g/parallel_and_perpendicular.php