Topic 16: Geometric Measurement: Classify Two-Dimensional Figures

Angles Review

Use these videos to review what you know about angles:

Angles Song | NUMBEROCK (1:43)
Types of Angles | Tutoring Hour (5:22)
Types of Angles | Math with Mr. J (3:18)
Right, Obtuse, and Acute Angles | Doodles and Digits (3:52)

Lesson 1: Classify Triangles

In this lesson we classified triangles by their angles and sides.

Language: Name and classify different types of triangles.

Helpful Videos:

The Triangle Tango | eSpark Music (2:10)
Triangles | Math Antics (7:39)
Classifying Triangles By Their Angles | Math with Mr. J (2:59)
Classifying Triangles By Their Sides | Math with Mr. J (2:11)

Lesson 2: Classify Quadrilaterals

In this lesson we classified quadrilaterals by their properties.

Language: Name and classify different types of quadrilaterals.

Helpful Videos:

Quadrilaterals Song | NUMBEROCK (1:46)
What is a Quadrilateral? | Socratica (2:10)
Classifying Quadrilaterals | Dylan Peters EDU (5:36)

Lesson 3: Continue to Classify Quadrilaterals

In this lesson we classified quadrilaterals using a hierarchy. We looked at how different quadrilaterals are related, and how shapes can have multiple names.

Language: Use the terms true or false to describe given statements about quadrilaterals.

Chart: Click this link to view New York's quadrilateral chart.

Helpful Videos:

Quadrilaterals | Math Antics (9:49)

Lesson 4: Problem Solving: Construct Arguments

In this lesson we constructed arguments about geometric figures.

Language: Make arguments about geometric figures to justify answers and explain opinions.

Helpful Videos:

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