PBS
Pbs Kids Afterschool Adventure!: Operation: Shape It Up Activity Plan
Get your spy glasses ready! In this weeklong adventure, children will explore shapes and their attributes and use this knowledge to decode a secret message. Children will learn about two-dimensional (flat) and three-dimensional (solid)...
Alabama Learning Exchange
Alex: Understanding Fractions
In this lesson the children will demonstrate parts of a whole using a candy bar (or fruit), and piece of paper. The activities are used as instructional plans to help students better understand shapes and parts of a shape up to a whole....
Illustrative Mathematics
Illustrative Mathematics: 7.g Cube Ninjas!
In this lesson, 7th graders slice three dimensional objects to determine what two dimensional shape is created.
Mathigon
Mathigon: Geometry: Circle and Pi: Conic Sections
The circle is one of four different shapes which can be created using "slices" through a cone, a 3-dimensional solid that has a circular base joined to a single point (called the vertex) by a curved side. If you tilt a cone, you get an...