Unit Plan
Virginia Department of Education

Classifying Angles

For Teachers 4th - 8th Standards
Don't be obtuse, this geometry unit is the just the right resource for educating the acute young minds in your class. From classifying and measuring angles, to determining the congruence of shapes, this...
Unit Plan
PBS

Accessible Shapes

For Teachers 6th - 8th Standards
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
Unit Plan
Curated OER

Connecting Algebra and Geometry Through Coordinates

For Teachers 9th - 10th Standards
This unit on connecting algebra and geometry covers a number of topics including worksheets on the distance formula, finding the perimeter and area of polynomials, the slope formula, parallel and perpendicular lines, parallelograms,...
Unit Plan
Mathematics Vision Project

Module 7: Modeling with Functions

For Students 9th - 12th Standards
The sky's the limit of what you create when combining functions! The module begins with a review of transformations of parent functions and then moves to combining different function types using addition, subtraction, and...
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Geometry: Classify Angles

For Students 3rd - 6th Standards
Watch and learn how to classify angles then test your knowledge.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Angles as Right, Acute, or Obtuse

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are presented with angles and must identify what type each is. An accompanying video demonstrates a sample problem. [2:10] A set of...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angle Classification Intermediate

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to classify angles based on their measure.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angle Classification Grade 7

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Classify angles as acute, obtuse, right or straight.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angle Classification

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Classify angles as acute, obtuse, right or straight.
Unit Plan
CK-12 Foundation

Ck 12: Volume of Pyramids: Angle Exploration

For Students 4th - 8th Standards
[Free Registration/Login Required] Students explore classifying angles by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the concept by...
Unit Plan
CK-12 Foundation

Ck 12: Volume of Pyramids: Right Angles in a Game of Pool

For Students 4th - 8th Standards
[Free Registration/Login Required] Students explore classifying angles by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the concept by...
Unit Plan
CK-12 Foundation

Ck 12: Angle Classification

For Students 4th - 8th
[Free Registration/Login Required] Students explore classifying angles by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the concept by...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angle Classification Grade 6

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Classify acute, right, obtuse, and straight angles.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Comparing Angles

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video example and practice questions where students are presented with a set of angles and must choose the statements that are correct. [1:44]
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Whether an Angle Is Formed

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] For this learning module, students examine line drawings to determine if angles are formed by intersections. Includes video demonstrating a sample problem [0:32] and...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Right Obtuse or Acute by Angle Measure

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to classify triangles based on angle measures.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Pythagorean Theorem to Classify Triangles

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Use the Pythagorean Theorem to determine if triangles are acute, obtuse, or right triangles.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Supplementary and Complementary Angle Pairs

For Students 6th - 7th
[Free Registration/Login may be required to access all resource tools.] Classify supplementary and complementary pairs of angles.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Classification by Angles

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Classify different types of triangles by their angles.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying All Types of Triangles by Lengths of Sides

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on length of sides.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Triangles by Identifying the Number of Equal Sides

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on the number of equal sides.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining the Unknown Angle in a Triangle

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to determine a missing angle in a triangle.
Unit Plan
Khan Academy

Khan Academy: Identify Triangles by Angles

For Students 3rd - 5th Standards
Practice identifying triangles by their angles as acute, right, or obtuse. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Triangles Within Composite Figures

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are presented with a composite figure and must identify the types of triangles within it. An accompanying video demonstrates a...

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