Lines, rays and angles: 4th grade math
Points, lines, rays, angles; parallel and perpendicular. A free 4th grade lesson plan, a question set with answers and a printable sheet with its key. Copy it and make it yours.
Lesson plan
Goal
- Students can do this: points, lines, rays, angles; parallel and perpendicular.
Teach (10 min)
- A line has no endpoints. A ray has 1. A segment has 2.
- A point is one exact spot.
- Work one example on the board while students say each step aloud, then do one together.
Practise (15 min)
- Students work the printable sheet in pairs, then alone.
- Or practise it as a game with no sign-up: https://peabody.kids/math/geom.lineKinds?lesson=4-geom-lines-1&at=4
Exit ticket (5 min)
- Use the first three questions on the printable sheet as a slip.
Printable sheet
Name: ____________________ Date: ____________
Lines, rays and angles (4th grade)
- Which picture shows a line segment? It has two endpoints.
- What is this called?
- What is this called?
- Which picture shows a line? It has no endpoints.
- What is this called?
- Which picture shows a ray? It has exactly one endpoint.
- What is this called?
- How many endpoints does this have? (An endpoint is a dot where it stops.)
- How many endpoints does this have? (An endpoint is a dot where it stops.)
- What is this called?
- How many endpoints does this have? (An endpoint is a dot where it stops.)
- Which picture shows a line? It has no endpoints.
Key
- Picture C
- ray
- line
- Picture A
- point
- Picture A
- line segment
- 0
- 1
- line segment
- 0
- Picture C
Written by Peabody from its own skill pages. Free, no ads, no sign-in. Children can practise this on Peabody. More from teachers: teacher-shared resources.