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Lesson Plan
Curated OER

Using Ratios

For Teachers 8th - 10th
Students study the Golden Ratio and its relationship to Renaissance artists. After exploring proportions and ratios used by Renaissance artists, students create a mix of ten variations of color paint, and record the ratios of primary...
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Lesson Plan
Curated OER

Proportionality: Modeling the Future

For Teachers 4th - 8th
Students explore and examine how patterns, measurement, ratios and proportions are utilized in the research development and production of airplanes. They meet a pilot from the Federal Aviation Association who describes the growth of air...
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Lesson Plan
Curated OER

Modeling pentagrams using Geometers Sketchpad

For Teachers 10th - 12th
Students using visual modeling software will construct two regular pentagrams which are mathematically similar. They also create a multi-page document and learn to create links between the pages and to a website on the History of...
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Lesson Plan
Curated OER

How Many Cells Are Born in a Day?

For Teachers 8th - 12th
Students predict the number of cells after a series of cell divisions.  In this cells instructional activity students create a graph of their results and create a patterned drawing. 
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Lesson Plan
Curated OER

Chessboard Series

For Teachers 9th - 12th
High schoolers work together on a word problem. They write a written report of the answer. They participate in a chessgame in which the answers are used.
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Lesson Plan
Curated OER

What's My Function?

For Teachers 5th
Fifth graders utilize input/output tables to help them solve algebraic equations. They incorporate patterns, number sequences and relations to represent and analyze mathematical problems and number relationships using algebraic symbols.
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Lesson Plan
Curated OER

There's More Than One Way to Get to St. George!

For Teachers 4th
Fourth graders explore alternative ways to do the four operations.
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Lesson Plan
Curated OER

Estimation and Pattern Discovery

For Teachers 6th - 8th
Pupils collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.

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