Lesson Worksheet: Lines and Angles Mathematics • 4th Grade

In this worksheet, we will practice identifying and naming points, lines, rays, line segments, and angles with notation.


Given that the side length of a small square is 1 unit, then the length of 𝐷𝐢 is units.


𝐴𝐡𝐢𝐷 is a square. What is 𝐡𝐢?


Which line has the greatest length?

  • A𝐢𝐷
  • B𝐴𝐡
  • C𝐼𝐽
  • D𝐸𝐹


In the given figure, what would be the correct notation to represent the line segment connecting the points 𝐴 and 𝐡?

  • A𝐴𝐡
  • B𝐴𝐡
  • C𝐡𝐴
  • D⃖⃗𝐴𝐡
  • E𝐴𝐡


True or False: From a point outside a straight line, we can draw one and only one straight line perpendicular to that line.

  • ATrue
  • BFalse


Name the sides of ∠3.

  • Aπ‘‹π‘Œ, π‘Œπ‘ˆ
  • Bπ‘‹π‘Š, π‘‹π‘ˆ
  • Cπ‘Œπ‘, π‘Œπ‘ˆ
  • Dπ‘‹π‘ˆ, π‘‹π‘Œ
  • Eπ‘‹π‘Œ, π‘‹π‘Š


Think about rays.

Name this ray using symbols.

  • A𝐴𝐡
  • B𝐡𝐴

At which point this ray start?

  • A𝐢
  • B𝐷


Which of the following combinations forms a straight line?

  • A𝐴→𝐡→𝐢
  • B𝐢→𝐷→𝐡
  • C𝐷→𝐡→𝐴
  • D𝐢→𝐷→𝐴


How many straight lines can be drawn through two distinct points?


What is the name of the shape?

  • Aray 𝑋𝐢
  • Bstraight line 𝑋𝐢
  • Cline segment 𝑋𝐢
  • Dray 𝐢𝑋

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