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.

Example Problems
One line passes through the points and . Another line passes through points and .
Are the lines parallel, perpendicular, or neither?
One line passes through the points and . Another line passes through points and
.
Are the lines
parallel, perpendicular, or neither?
One line passes through the points and . Another line passes through points and .
Are the lines
parallel, perpendicular, or neither?
Khan Academy Resources
Goblins

1-on-1 AI tutoring aligned to 4.G.A.1. Instant help for students, real-time insights for teachers.

Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.

Free for teachers, forever →