Cover the fourth grade geometry standards with this math PowerPoint. Many 4th grade geometry terms skills are introduced. Students identify and label points, lines, rays, and segments. They differentiate between parallel lines, intersecting lines, and perpendicular lines. They measure angles with protractors and label angels and triangles as acute, right, or obtuse. Students identify quadrilaterals: parallelogram, rhombus, trapezoid. Lines of symmetry are also featured.