Geometry · Unit 1

Foundations: Points, Lines & Angles

Points, lines, rays, segments and planes; measuring segments and angles; angle types, angle pairs, and bisectors — geometry from absolute zero.

Builds on

Nothing — geometry starts here. (Numbers on a line and absolute value echo Grade 6 Integers.)

Lessons
  1. 01Points, Lines & Planes
  2. 02Segments & Rays
  3. 03Measuring Segments
  4. 04Segment Addition & Midpoints
  5. 05Naming & Measuring Angles
  6. 06Classifying Angles
  7. 07Angle Pairs
  8. 08Bisectors — and Your First Proof
Ready to check yourself?
PracticeTest yourself