4th Grade Math
Come learn about shapes
CCSS.Math.Content.4.G.A.1
Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.
Points,lines, and rays
Point
Points are the starting point of a line
Line
lines have a beginning and end
Ray
A ray has a beginning but no end. They keep going on forever.
4th Grade Lesson on Angles