Lesson Plan
Better Lesson

Better Lesson: Sorting by Color

For Teachers K Standards
Counting bears that are the same size and shape help students focus on just one attribute.
Lesson Plan
Better Lesson

Better Lesson: Sorting by Size

For Teachers K Standards
Sorting is an important foundational skills for kindergarten students to learn. Using attribute blocks to sort by size helps students practice comparing objects and prepares them to sort by other measurable attributes.
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.
Lesson Plan
Utah Education Network

Uen: Rocks, Rocks Everywhere

For Teachers 2nd
Second graders will sort rocks based upon color, hardness, texture, layering, and particle size.,
Graphic
Curated OER

Educational Technology Clearinghouse: Clip Art Etc: Clavis

For Students 9th - 10th
A key. The key was used in very early times, and was probably introduced into Greece from Egypt; although Eustathius states, that in early times all fastenings were made by chains, and that keys were comparatively of a much later...