Activity
Wolfram Math World: Golden Ratio Activity
Wolfram Research

Wolfram Math World: Golden Ratio

For Students 9th - 10th
Math World explains the Golden Ratio, gives the formula for finding the irrational number, and expresses this value as an infinite series. Also defines and represents the Ratio geometrically, its relationship to the Fibonacci numbers,...
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Unit Plan
Ck 12: Analysis: Synthetic Division of Polynomials Unit Plan
CK-12 Foundation

Ck 12: Analysis: Synthetic Division of Polynomials

For Students 11th - 12th
[Free Registration/Login may be required to access all resource tools.] Using synthetic division to identify zeroes of polynomials
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Lesson Plan
Ctte: Geometer's Sketch Pad Activities Lesson Plan
Other

Ctte: Geometer's Sketch Pad Activities

For Teachers 9th - 10th
This site offers numerous activities for middle school and high school students to explore using Geometer's Sketch Pad.
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