Lesson Plan
Read Works

Read Works: Classify and Categorize Kindergarten Unit: Adding to Sorted Groups

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] A lesson using the book My Big Animal Book by Roger Priddy in which students learn to sort items into predetermined categories. Ideas for teaching, guided practice, and independent practice are...
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Shape Classification

For Students 6th - 8th
Investigate the properties of triangles, quadrilaterals, and regular polygons using this interactive Learn Alberta math resource. Students are able to practice classifying shapes based on their different properties. Be sure to follow the...
Lesson Plan
Read Works

Read Works:classify/categorize Kindergarten Unit: Sorting to Predetermined Groups

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] A lesson using the book My Big World Book by Roger Priddy in which learners learn to sort items into predetermined categories. Ideas for teaching, guided practice, and independent practice are included....
Activity
The Franklin Institute

The Franklin Institute: Classified

For Students Pre-K - 1st
At this site from The Franklin Institute you can practice classifying objects according to physical structure and characteristics.
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...
Lesson Plan
University of Regina (Canada)

Univeristy of Regina: Math Central: Patterns Here, There, and Everywhere

For Teachers Pre-K - 1st
This lesson plan on early patterning is well written, well planned, and extensive. The math content is substantial for this age. There are lots of connections to other content areas. Materials needed are readily available or provided for...
Lesson Plan
Read Works

Read Works: Classify/categorize Kindergarten Unit: Creating Groups and Sorting

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] A lesson plan using the book My Big Truck Book by Roger Priddy in which young scholars learn to sort items into categories they create for themselves. Ideas for teaching, guided practice, and...
Article
Other

Stay at Home Educator: Colors and Shapes Sorting Activities for Preschoolers

For Teachers Pre-K
Sorting activities are the perfect way to help children learn to classify their world from the start. This article explains why this skill is so important in the "real world" and contains a list of sorting activities for preschoolers.
Lesson Plan
PBS

Pbs Mathline Lesson: Geometry, It's a Perfect Fit [Pdf]

For Teachers 3rd - 5th Standards
This two-part geometry lesson plan has students identify, describe, and classify two-dimensional shapes. Students engage in hands-on activities including identifying shapes in the classroom, creating patterns with shapes, identifying...
Activity
Annenberg Foundation

Annenberg Learner: Patterns in Mathematics: Guess My Button

For Teachers 1st - 3rd
This website gives students an opportunity to sort and classify attributes of a group. The applet responds to each selection made and guides student to the next step.