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Curriculum Math 4th Grade Unit 8: Shapes and Angles Lesson 6

Shapes and Angles

Lesson 6

Math

Unit 8

4th Grade

Lesson 6 of 18

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In this Lesson

Objective
Standards
Criteria for Success
Tips for Teachers
Anchor Tasks (25–35 min)
Problem Set (15–20 min)
Target Task (5–10 min)
Additional Practice

Objective

Lesson Notes

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Understand that an angle that turns through $${{1\over360}}$$ of a circle is called a “one-degree angle” and can be used to measure angles. Use a makeshift protractor to measure benchmark angles.

Lesson Map

Topic A: Lines and Angles

Lesson

Identify and draw points, lines, line segments, rays, and angles.

Standards

4.G.A.14.MD.C.5

Lesson

Identify and draw right, obtuse, and acute angles.

Standards

4.G.A.1

Lesson

Identify and draw perpendicular lines.

Standards

4.G.A.1

Lesson

Identify and draw parallel lines.

Standards

4.G.A.1

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Topic B: Measures of Angles

Lesson

Use iteration with one physical nonstandard unit to measure benchmark angles.

Standards

4.MD.C.54.MD.C.6

Lesson

Understand that an angle that turns through $${{1\over360}}$$ of a circle is called a “one-degree angle” and can be used to measure angles. Use a makeshift protractor to measure benchmark angles.

Standards

4.MD.C.54.MD.C.6

Lesson

Measure angles that are less than 180° using a 180° protractor. Distinguish angle measure from other attributes.

Standards

4.MD.C.54.MD.C.6

Lesson

Sketch angles of specified measure using a 180° protractor.

Standards

4.MD.C.54.MD.C.6

Lesson

Identify and measure angles as turns and recognize them in various contexts.