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Website
Cool Math

Coolmath: Precalculus Basic Formulas to Know

For Students 9th - 10th Standards
This CoolMath resource provides an introduction to some Precalculus formulas.
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Handout
CK-12 Foundation

Ck 12: Geometry: Spheres Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This study guide looks at the characteristics of spheres and how to calculate the surface area and volume.
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Activity
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: Formulas

For Students 9th - 10th
This tutorial will show you how using formulas can help you solve problems. Include formulas for various geometric shapes and steps showing how to use them.
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Activity
Texas Instruments

Texas Instruments: Stuff It!

For Teachers 6th - 8th
In this activity, students learn to calculate volume of a sphere and a rectangular prism. They explore methods of determining how many volleyballs can be placed in a room.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.g Christo's Building

For Teachers 6th
This problem looks at a scale model of a project by Christo and Jeanne Claude. Students are asked to calculate its volume, how many 1/2-inch blocks would be needed to build it, and how much cloth would be required to wrap it. They then...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg Hexagonal Pattern of Beehives

For Teachers 9th - 10th Standards
Beehives are made of walls, each of the same size, enclosing small hexagonal cells where honey and pollen are stored and bees are raised. This problem examines some of the mathematical advantages of the hexagonal tiling in a beehive....
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Unknown Type
Khan Academy

Khan Academy: Cell Size

For Students 9th - 10th
Test your knowledge on how to calculate cell size with this quiz.
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Unit Plan
Wolfram Research

Wolfram Math World: Sphere

For Students 9th - 10th
This webpage thoroughly discusses the math of spheres. Includes the equation for a sphere in Cartesian and spherical coordinates as well as parametrically. Surface Area, volume, and curvature are addressed at this extensive site.
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Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Volume and Surface Area of a Cone Frustum

For Students 9th - 10th Standards
This question and answer site deals with the derivation of the formula for the surface area for the frustum of a right circular cone.
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Activity
Other

Mr. Pitonyak's Pyramid Puzzle

For Students 9th - 10th
Students estimate the cost of building an Egyptian pyramid with modern materials and ancient building methods in this math project.
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Handout
Math Open Reference

Math Open Reference: Cone

For Students 9th - 10th Standards
A complete reference guide to cones. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
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Handout
Math Words

Math Words: Right Circular Cylinder

For Students 9th - 10th
Find a picture of a right circular cylinder here with the formulas for volume, total surface area, and lateral surface area. Site by MathWords.com.
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Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: A Rectangular Prism

For Students 9th - 10th
This question and answer site discusses whether it is possible to have a retangular prism that has a volume greater than its surface area.
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Interactive
Calculator Soup

Calculator Soup: Sphere Calculator

For Students 9th - 10th
This online calculator will calculate the 3 unknown values of a sphere given any 1 known variable including radius r, surface area A, volume V and circumference C. It will also give the answers for volume, surface area, and circumference...
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Unit Plan
Wolfram Research

Wolfram Math World: Prism

For Students 9th - 10th
This MathWorld site defines many different types of prisms. It gives the formulas for the volume and area of a prism the site has many illustrations [Requires Java.]
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Handout
Math Words

Math Words: Frustum of a Cone or Pyramid

For Students 9th - 10th Standards
This site defines a frustum and has links to related topics. The site offers the formula for the lateral area, volume, and total surface area of frustum of a cone.
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Interactive
Calculator Soup

Calculator Soup: Cube Calculator

For Students 9th - 10th
Use this calculator to calculate unknown variables for a cube such as a side length, face diagonal, solid diagonal, surface area, and volume.
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Unit Plan
Wolfram Research

Wolfram Math World: Hemisphere

For Students 9th - 10th
MathWorld gives a simple and complex definition of a hemisphere. The formula for the volume of a hemisphere is also given.
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Unit Plan
Sophia Learning

Sophia: Organelles: Lesson 2

For Students 9th - 10th
This lesson will give a general overview of how organelles help a cell function and will explain the importance of organelles in increasing surface area to volume ratios. It is 2 of 3 in the series titled "Organelles."
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Unit Plan
Sophia Learning

Sophia: Organelles: Lesson 3

For Students 9th - 10th
This lesson will give a general overview of how organelles help a cell function and will explain the importance of organelles in increasing surface area to volume ratios. It is 3 of 3 in the series titled "Organelles."
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Whiteboard
ClassFlow

Class Flow: Solid Geometry

For Teachers 6th - 8th Standards
[Free Registration/Login Required] This flipchart contains notes, information, and practice finding surface area and volume of cubes and prisms.
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Whiteboard
ClassFlow

Class Flow: Cylinders

For Teachers 6th - 8th Standards
[Free Registration/Login Required] This flipchart contains notes, information, and practice finding surface area and volume of cylinders.
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Math Challenges for Families

For Students 2nd - 8th
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
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Unit Plan
Wolfram Research

Wolfram Math World: Cube

For Students 9th - 10th
Drawings and discussion on the properties of the cube, with lots of links to related pages. With this page you can find how to make a cube out of tetrahedron. [Requires Java.]

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