Teachnology
Teachnology: Math Shapes Teaching Theme
Shapes Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media for the elementary grades.
Better Lesson
Better Lesson: Attributes of 3 D Shapes Part 2
Second graders will identify the attributes of 3D shapes and measure the edges in inches and centimeters. This lesson contains a detailed plan and videos of students engaged in the activity.
Better Lesson
Better Lesson: Three Dimensional Shapes
While 3 Dimensional shapes are not mentioned specifically in the Common Core, they do include the term face which is more appropriate for 3D shape attributes.
Better Lesson
Better Lesson: Making New Shapes With Shapes
My first graders have been studying the defining attributes of 2D shapes. They are going to love using toothpicks and marshmallows to present their knowledge of 2D and create 3D shapes.
PBS
Pbs: Black Kingdoms of the Nile
A geometry lesson that examines the history and structure of ancient pyramids and engages students in constructing pyramid models. A comprehensive lesson that considers students with diverse learning styles. Math concepts introduced...
Better Lesson
Better Lesson: Fat or Flat?
Students will tell if a shape is 2-dimensional or 3-dimensional.
CK-12 Foundation
Ck 12: Geometry: Polyhedrons
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about polyhedrons, Euler's Theorem, and regular polyhedrons.