This page shows some common prisms and discusses the number of faces, vertices, and edges.
Interactives: Geometry 3D Shapes

This website will help you with squares and their properties. Such as side length, diagonal length, area and perimeter.
WebMath

This page will allow you to calculate things related to a right triangle. Such as the base, the height, area, perimeter, and Pythagorean Thm.
WebMath

6th grade math knowledge map info
StudyStack

Find the area of each trapezoid. Answers included.
MathDrills.com

Find the area of each parallelogram. Answers included.
MathDrills.com

This website is a worksheet to estimate and measure angles. The answer sheet is there also.
MathDrills.com

This page goes over the surface area and volume formulas for 3D shapes and is interactive.
Interactives: Geometry 3D Shapes

This website helps to find the measure of the fourth angle of a quadrilateral given the three other angle measures.
AAA Math

Estimate the volume of popcorn in taller and shorter cylinders. Relate concept to marketing strategies.
Figure This! Math Challenges for Families (NCTM)
