Lines, Rays and Angles
Grade 5 · Math
Lines, Rays and Angles
3 activities · Sort it! · Fill in!
Points, lines, line segments, rays — parallel, perpendicular, angle types
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1

Sort each geometry concept correctly.

Sort it!
1The distance between two bus stops marked on a road
2A straight road extended in both directions forever on a map
3The x-axis on a graph, extended in both directions
4The corner of a square
5A sharp dot made by the tip of a pencil
6Light leaving a torch, going in one direction without stopping
7The edge of a ruler from one mark to another
8A sunbeam starting at the sun and extending into space
Point (no dimensions)
write sentence numbers here
Line segment (fixed length)
write sentence numbers here
Ray (one direction, no end)
write sentence numbers here
Line (no endpoints)
write sentence numbers here
2

Two angles in a triangle are 60° and 70°. Use this to answer, and find other missing angles.

Fill in!
A right angle =
45°
270°
90°
Two right angles placed together form an angle of
180°
50°
30°
In a right-angled triangle, if one acute angle is 45°, the other acute angle =
150°
270°
45°
A straight angle =
120°
90°
180°
An equilateral triangle has all angles equal to
45°
60°
120°
3

A student measures various angles. Name the correct angle type for each measurement.

Fill in!
35° is a/an angle
obtuse
complete
acute
210° is a/an angle
reflex
right
obtuse
360° is a/an angle
right
straight
complete
180° is a/an angle
acute
complete
straight
145° is a/an angle
straight
acute
obtuse
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