Unit 7

Angles and Angle Measurement

Section A

Points, Lines, Segments, Rays, and Angles

How Would You Describe These Figures?

Let’s draw and describe geometric figures.

Points, Lines, Rays, and Segments

Let’s draw points, lines, line segments, and rays.

Two or More Lines

Let’s look at lines that cross and lines that don’t.

Points and Lines All Around

Let’s find parallel and intersecting lines all around us.

What Is an Angle?

Let’s look for angles and find out ways to describe them.

Section A Practice Problems

Section A

Points, Lines, Segments, Rays, and Angles

How Would You Describe These Figures?

Let’s draw and describe geometric figures.

Points, Lines, Rays, and Segments

Let’s draw points, lines, line segments, and rays.

Two or More Lines

Let’s look at lines that cross and lines that don’t.

Section B

The Size of an Angle

Compare and Describe Angles

Let’s think about how to compare and describe angles.

The Size of an Angle on a Clock

Let’s describe angles, using the hands of a clock.

The Size of An Angle, in Degrees

Let’s describe the size of an angle, using degrees.

Use a Protractor to Measure Angles

Let’s use some tools to measure angles.

Angle Measurement and Perpendicular Lines

Let’s measure all kinds of angles.

Use a Protractor to Draw Angles

Let’s draw some angles.

Section B Practice Problems

Section B

The Size of an Angle

Compare and Describe Angles

Let’s think about how to compare and describe angles.

The Size of an Angle on a Clock

Let’s describe angles, using the hands of a clock.

The Size of An Angle, in Degrees

Let’s describe the size of an angle, using degrees.

Use a Protractor to Measure Angles

Section C

Angle Analysis

Types of Angles

Let’s look at different types of angles.

Find Angle Measurements

Let’s compose and decompose angles to find their measurements.

Reasoning about Angles (Part 1)

Let’s find the size of an angle on the clock.

Reasoning about Angles (Part 2)

Let’s figure out missing angle measurements.

Angles, Streets, and Steps

Let’s investigate streets and steps.

Section C Practice Problems

Section C

Angle Analysis

Types of Angles

Let’s look at different types of angles.

Find Angle Measurements

Let’s compose and decompose angles to find their measurements.

Reasoning about Angles (Part 1)

Let’s find the size of an angle on the clock.

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Angles and Angle Measurement

Points, Lines, Segments, Rays, and Angles

How Would You Describe These Figures?

Points, Lines, Rays, and Segments

Two or More Lines

Points and Lines All Around

What Is an Angle?

Section A Practice Problems

Points, Lines, Segments, Rays, and Angles

How Would You Describe These Figures?

Points, Lines, Rays, and Segments

Two or More Lines

The Size of an Angle

Compare and Describe Angles

The Size of an Angle on a Clock

The Size of An Angle, in Degrees

Use a Protractor to Measure Angles

Angle Measurement and Perpendicular Lines

Use a Protractor to Draw Angles

Section B Practice Problems

The Size of an Angle

Compare and Describe Angles

The Size of an Angle on a Clock

The Size of An Angle, in Degrees

Use a Protractor to Measure Angles

Angle Analysis

Types of Angles

Find Angle Measurements

Reasoning about Angles (Part 1)

Reasoning about Angles (Part 2)

Angles, Streets, and Steps

Section C Practice Problems

Angle Analysis

Types of Angles

Find Angle Measurements

Reasoning about Angles (Part 1)

Have a correction or suggestion?

Unit 7 Resources

Points and Lines All Around

What Is an Angle?

Angle Measurement and Perpendicular Lines

Use a Protractor to Draw Angles

Reasoning about Angles (Part 2)

Angles, Streets, and Steps

Points, Lines, Segments, Rays, and Angles

How Would You Describe These Figures?

Points, Lines, Rays, and Segments

Two or More Lines

Points and Lines All Around

What Is an Angle?

Section A Practice Problems

Angle Analysis

Types of Angles

Find Angle Measurements

Reasoning about Angles (Part 1)

Reasoning about Angles (Part 2)

Angles, Streets, and Steps

Section C Practice Problems

The Size of an Angle

Compare and Describe Angles

The Size of an Angle on a Clock

The Size of An Angle, in Degrees

Use a Protractor to Measure Angles

Angle Measurement and Perpendicular Lines

Use a Protractor to Draw Angles

Section B Practice Problems