Lines, Rays and Segments is a free printable Grade 4 math worksheet on telling a line, a ray and a line segment apart by their ends, aligned to Common Core standard 4.G.A.1. It prints 5 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 20 of 25 · the same problems every time you open this link.

One paper per student

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Lines, Rays and Segments

4.G.A.1

NameDate

Sort each one into the right box.

1.Sort each one into the right box.

Sort: one side of a triangle, the side of a square, from one corner to the next, goes on forever in both directions, a straight path with no start and no end

LineRayLine segment

2.Sort each one into the right box.

Sort: the edge of a desk, the side of a square, from one corner to the next, goes on forever in both directions, drawn with a dot at each end

LineRayLine segment

3.Sort each one into the right box.

Sort: goes on forever in both directions, drawn with an arrow at each end, the edge of a desk, has one endpoint and goes on forever one way

LineRayLine segment

4.Sort each one into the right box.

Sort: one side of a triangle, drawn with an arrow at each end, drawn with a dot at one end and an arrow at the other, a beam of light from a flashlight, going on and on

LineRayLine segment

5.Sort each one into the right box.

Sort: one side of a triangle, the side of a square, from one corner to the next, goes on forever in both directions, drawn with a dot at each end

LineRayLine segment

LessonPrint · 4.G.A.1 · Set 20 · free to copy for classroom use

Answer key — Lines, Rays and Segments

Set 20. Prints on its own sheet.

1.Line: goes on forever in both directions, a straight path with no start and no end; Ray: —; Line segment: one side of a triangle, the side of a square, from one corner to the next
2.Line: goes on forever in both directions; Ray: —; Line segment: the edge of a desk, the side of a square, from one corner to the next, drawn with a dot at each end
3.Line: goes on forever in both directions, drawn with an arrow at each end; Ray: has one endpoint and goes on forever one way; Line segment: the edge of a desk
4.Line: drawn with an arrow at each end; Ray: drawn with a dot at one end and an arrow at the other, a beam of light from a flashlight, going on and on; Line segment: one side of a triangle
5.Line: goes on forever in both directions; Ray: —; Line segment: one side of a triangle, the side of a square, from one corner to the next, drawn with a dot at each end

Last reviewed 2026-09-05. Aligned to 4.G.A.1 of the Common Core State Standards for Mathematics.