three-dimensional figures have length, width, and height.
solid figures can be sorted based on attributes (faces, vertices, edges and bases).
Resources
Free Apps
Math Planet
This self-paced game has over 100 levels based on different concepts.
Splash Math 3rd Grade
This self-paced game provides games for various skills, including geometry and measurement. Limited daily access.
Websites
Solid Figures. A slideshow by Scholastic that gives real world examples of 3-dimensional figures.
Edges, Faces, Vertices. This interactive website explores the attributes of 3-dimensional figures. It includes practice problems for your child and gives the percentage of correct answers
Books
Perimeter, Area , and Volume: A Monster Book of Dimensions by David A. Adler. In this story about a 3-D movie premier, monsters will help you calculate the perimeter of the set, the area of the movie screen, and the volume of your popcorn box.