Handout
Science Struck

Science Struck: A Comprehensive Printable List of Geometry Formulas

For Students 9th - 10th Standards
Provides a list of area and perimeter formulas for two-dimensional shapes and volume and surface area formulas for three-dimensional solids.
eBook
Mathigon

Mathigon: Geometry: Polygons and Polyhedra: Polyhedra

For Students 9th - 10th Standards
This lesson focuses on polyhedra; a polyhedron (the plural is polyhedra) is a 3-dimensional solid object that is made up of polygons. Euler's Polyhedron Formula: In every polyhedron, the number of faces (F) plus the number of vertices...
Graphic
The Math League

The Math League: Surface Area

For Students 9th - 10th Standards
This tutorial explains the concept of surface area, and then goes through multiple shapes offering the specific surface area formula for each one.
Lesson Plan
Alabama Learning Exchange

Alex: Pump Up the Volume

For Teachers 6th - 7th Standards
In this lesson, students will be required to generate a formula for volume of a rectangular prism. Students working in cooperative groups will use prior knowledge for finding area of a rectangle to determine the "amount of area in a...
Interactive
Calculator Soup

Calculator Soup: Surface Area Calculator

For Students 9th - 10th
Online calculator to calculate the surface area of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, spherical cap, and triangular prism
Unit Plan
Math2

Math2.org: Areas, Volumes, Surface Areas

For Students 9th - 10th
This site gives formulas for the area, volume, and surface area of various shapes.
Interactive
Calculator Soup

Calculator Soup: Three Dimensional Distance Calculator

For Students 9th - 10th
Use this calculator to calculate the distance between 2 points by entering 2 sets of coordinates in the 3-dimensional Cartesian coordinate system, (X1, Y1, Z1) and (X2, Y2, Z2), to get the distance formula calculation for the 2 points...
Activity
National Council of Teachers of Mathematics

The Math Forum: The Cylinder Problem: Middle School Lesson

For Teachers 6th - 8th Standards
This lesson offers an interesting, hands-on experience for middle school students studying cylinders. Students will create cylinders, and measure and compare their volumes.
Interactive
Calculator Soup

Calculator Soup: Hemisphere Calculator

For Students 9th - 10th
This online calculator will calculate the various properties of a hemisphere given any 1 known variable. It also calculates the variables in terms of PI.
Interactive
Calculator Soup

Calculator Soup: Circular Cylinder Calculator

For Students 9th - 10th
This online calculator will calculate the various properties of a cylinder given 2 known values. It will also calculate those properties in terms of PI.
Interactive
Calculator Soup

Calculator Soup: Cone Calculator

For Students 9th - 10th
This online calculator will calculate the various properties of a right circular cone given any 2 known variables.