Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.g Designs

For Teachers 7th
In this lesson plan, 7th graders use the formula for circles to determine the area and perimeter.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.g Stained Glass

For Teachers 7th
In this lesson plan, 7th graders use formulas for area and circumference to solve the word problem.
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.
Unknown Type
Khan Academy

Khan Academy: Circumference and Rotations

For Students 7th Standards
Practice these problems with circumference and rotations.
Handout
Math Words

Math Words: Right Cone

For Students 9th - 10th Standards
Math Words defines a cone with a picture and formulas for volume given the hieght and base area of the cone.
Website
Math2

Math2

For Students 9th - 10th Standards
This is a site for students and teachers of all grade levels. If you are looking for math tables, general information about math topics, or you would like to ask a question, this is the site to visit.

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