4Th Grade Geometry Angles. Use this geometry resource to help your students identify and differentiate between important angles such as acute, obtuse, straight, and right angles. Unit 4 in grade 4 introduces students to the more abstract geometric concepts of points, lines, line segments, rays, and angles.
4.g.1 draw points, lines, line segments, rays, angles (right, acute, obtuse) and parallel and perpendicular lines.
Click here for more geometry worksheets. Unit 4 in grade 4 introduces students to the more abstract geometric concepts of points, lines, line segments, rays, and angles. What is a regular polygon? Lines, segments, or rays that intersect in right angles are said to be perpendicular.