9. Shapes and angles

9.01 Points, lines and rays

9.02 Angles within a circle

9.03 Angles and angle types

EXPLORE: Draw angles

9.04 Right angles

9.05 Estimate angles

9.06 Measure and compare angles

9.07 Angles on a straight line

9.08 Angles at a point

9.09 Classify 2D figures

United States of America

Grade 4

9.01 Points, lines and rays

Interactive practice questions

What object is represented in this diagram?

Ray

A

Line segment

B

Line

C

Point

D

Easy

< 1min

What object is represented in this diagram?

Easy

< 1min

What object is represented in this diagram?

Easy

< 1min

What object is represented in this diagram?

Easy

< 1min

Outcomes

4.G.A.1

Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.

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