Mathematics Class 6
Lines and Angles
Points, lines, rays, and angles — what they are, and how to measure and draw them.
10 lessons · ~48 min total
Track progress — 0 of 10 lessons read 0%
Lessons in this topic
- 0 Start here Points, lines, rays, and every kind of turn. And why a corner is an angle too. · 3 min You are here
- 1 Point, line, ray, line segment Four shapes told apart by their ends. · 5 min
- 2 Two lines: cross or never meet Two lines cross at one point, or they are parallel and never meet. · 4 min
- 3 What is an angle? Two rays, one shared start point, and the turn between them. · 5 min
- 4 Measuring an angle Degrees measure a turn exactly. A protractor reads them off. · 6 min
- 5 Kinds of angles Acute, right, obtuse, straight and reflex — named by their size. · 5 min
- 6 Drawing an angle Making an angle of an exact size. With a ruler and a protractor. · 5 min
- 7 Angles around us Comparing angles by their numbers. Reading angles on a clock. · 5 min
- 8 The big picture Seven ideas on one page. · 4 min
- 9 Track quiz Cheat-sheet table plus a reveal quiz over the seven ideas. · 6 min
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