Interactive
Government of Alberta

Learn Alberta: Math Interactives: Classifying Quadrilaterals

For Students 4th - 6th
This multimedia that includes a short video [1:19] and other interactive activities on Learn Alberta math resource looks at real-world examples of shape classification in the investigation and solving of crimes. The accompanying...
Activity
Science Education Resource Center at Carleton College

Serc: Observing,comparing and Classifying Rocks

For Teachers Pre-K - 1st
An activity where students in teams observe and classify different types of rocks.
Unknown Type
Khan Academy

Khan Academy: Classifying Shapes by Line and Angle Types

For Students 3rd - 5th
In this exercise, students practice classifying shapes by line and angle types. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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: Classify Triangles, Composite Figures 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 a triangle inside a composite figure.
Unknown Type
Khan Academy

Khan Academy: Classify Shapes by Line and Angle Types

For Students 3rd - 5th Standards
Classify shapes based on pictures or attributes, such as angle types and side-lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Geometry: Classify Quadrilaterals

For Students 5th - 6th Standards
After you explore the step by step lesson to classify quadrilaterals sing some karaoke and then test your knowledge.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles

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 classifying rectangles, squares, circles and triangles.
Lesson Plan
Read Works

Read Works: Classify and Categorize 1st Grade Unit

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] A three-lesson unit on classifying and categorizing through which students learn how to sort items into two and three categories and explain how each group is classified. Finally, students categorize...
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Geometry: Classify Triangles

For Students 5th - 6th Standards
After completing the lesson on classifying triangles, you can sing along with karaoke and test your knowledge.
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: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] Students practice classifying various two dimensional shapes as rectangles, squares, circles or triangles.
Lesson Plan
Read Works

Read Works: Classify and Categorize 3rd Grade Unit

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] A three-instructional activity unit on classifying and categorizing through which students learn how to categorize information to answer research questions and then to organization that information into...
Lesson Plan
Read Works

Read Works: Classify and Categorize 2nd Grade Unit

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] A series of three lesson plans designed to teach students to classify and categorize items, characters, and information. The third lesson plan is based on the book Splish! Splash! Animal Baths by April...
Lesson Plan
Read Works

Read Works: Classify and Categorize 4th Grade Unit

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] A three-activity unit on classifying and categorizing through which learners learn how to organize research into an outline, use text features to locate information, and write a research report. Lessons...
Lesson Plan
Better Lesson

Better Lesson: Classifying Natural Resources

For Teachers 3rd - 4th
How can you classify energy sources?
Unit Plan
Polk Brothers Foundation Center for Urban Education at DePaul University

Depaul University: Center for Urban Education: Classify Facts and Opinions [Pdf]

For Students 5th - 8th Standards
Students will find three lessons about facts and opinions in this learning module. The following topics are linked in the module: contrast and evaluate fact and opinion; classify facts and opinions; and locate and classify facts.
Activity
Texas Instruments

Texas Instruments: Classifying a Triangles by Their Angle Measure Using Cabri Jr

For Teachers 9th - 10th
This activity uses Cabri Jr to classify triangles according to their angle measure. [Requires Adobe Reader.]
Activity
Texas Instruments

Texas Instruments: Classifying Triangles by the Length of the Sides Using Cabri

For Teachers 9th - 10th Standards
This activity uses Cabri Jr. to classify triangles according to the length of their sides. [Requires Adobe Reader.]
Activity
Texas Instruments

Texas Instruments: Classifying Even and Odd Functions (Part 1)

For Teachers 9th - 10th Standards
In this activity, students are asked to classify functions as even, odd, or neither based on the graph of the function.
Lesson Plan
CPALMS

Cpalms: Classify and Categorize: Using Text Features to Find Information

For Students 9th - 10th Standards
[Free Registration/Login Required] Students will develop research questions, classify information into an outline form, and use the features of nonfiction writing to identify information relevant to a research question.
Activity
Texas Instruments

Texas Instruments: Classifying Quadrilaterals

For Teachers 9th - 10th
Students will be sent ordered pairs through lists using the TI-Navigator. These pairs will then be graphed as a line graph and students will classify the shape of the quadrilateral and justify their choice.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Lichen Hunt: Identifying/classifying Lichens by Their Physical Char

For Teachers 3rd - 5th
In this activity, students will learn what a lichen is. They will be able to explore the school forest in order to pick their own lichen to identify and classify into a group according to its physical characteristics. Students will also...

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