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Measuring Angles

For Teachers 6th
Sixth graders identify and measure right, acute, obtuse, and straight angles. In this geometry lesson, 6th graders review the definition of each angle and are shown examples of each specific angle. Students use toothpicks, gumdrops, and...
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Algebra/Geometry Institute Summer 2007 - Perimeter of Polygons

For Teachers 6th
Sixth graders find the perimeters of polygons and use perimeters to form polygons. In this perimeter lesson, 6th graders study vocabulary associated with finding perimeter such as polygon, line segment, variable, and formula. They make...
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Algebra/Geometry Institute Summer 2009 - Triangles and the Pythagorean Theorem

For Teachers 7th
Seventh graders find the perimeter and area of triangles.  In this finding the perimeter and area of triangles lesson plan, 7th graders find the perimeter and area of triangles given two sides.  Students find the missing side...
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Proving (a Theorem) and Disproving (a Theory)

For Teachers 7th - 12th
As a cross-curricular lesson, your class examines the issues of gender discrimination, careers, and gender roles. They read and discuss an article, prepare a proof of the Pythagorean theorem as a class, and develop a creative...
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Markup and Discount

For Teachers 7th
Seventh graders observe and demonstrate how to calculate markups and discounts including markup percentages and discount percentages. They observe a teacher-led demonstration, then in pairs read scenarios and independently complete...
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What's the Frequency, Roy G. Biv?

For Teachers 6th - 9th
Introduce starting space scientists to the electromagnetic spectrum, expecially the portion of visible light. Teach them about wavelength and frequesncy. Then give them a roll of adding machine tape and a manila folder to make a...
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The Hat

For Teachers K - 1st
Honing reading and communication skills through the theme of farm animals is the focus of this lesson. Students read a book about Scandinavian farm animals and complete prediction journal activities. They complete a worksheet about the...
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Tulips: Repeated Addition

For Teachers 2nd
This is an introductory lesson intended to prime young mathematicians for later lessons in multiplication. They watch the video Count on it!, discuss problem solving as a class, then work the presented problem using repeated addition....
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Bird Interdisciplinary Possibilities

For Teachers 5th - 12th
Students explore birds, their territory, breeding, and seasonal movement. They research and collect information on birds through writing letters to ornithologists, reading in books, comparing web sites, and observing pictures. Students...
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Adding Fractions with Unlike Denominators

For Teachers 4th - 5th
Students explore why denominators need to match before adding (or subtracting) a fraction. They use unmarked fraction circles and marked fraction bars, to discover a method to add fractions with unlike denominators using equivalent...
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What's The Weather?

For Teachers K - 3rd
Students explore the role that remote sensing plays in predicting our weather. Students investigate weather websites, and read about the three kinds of clouds. Students record and draw their observations in science journals.
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Investigating World Cultures

For Teachers 6th - 8th
Middle schoolers, in groups, write research reports and create visuals about countries, put on a culture fair, and use PowerPoint to present their information.
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Facial Symmetry

For Teachers 4th - 6th
Learners study facial symmetry. They explore lines of symmetry, and create illustrations with multiple lines of symmetry.
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Beary O'Mometer Learns About Careers In Meteorology

For Teachers 4th - 6th
Students explore the field of meteorology. In this meteorology lesson, students explore weather-related careers as they research the field of study as well as various weather concepts. Students interview meteorologists, write business...
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Telling Time to 5 Minutes

For Teachers 2nd
In this second grade lesson your class will practice telling time. The goal is to tell time to five minutes using an analog clock. Your young students count by 5 minute intervals and discuss elapsed time. 
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Fuel for Thought

For Teachers 6th - 12th
Students explore the mathematical concepts used to compare different types of vehicles. They create a print advertisement in which they persuade an audience to purchase a specific vehicle.
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Acting Like a Hog

For Teachers 9th - 12th
Young scholars explore game theory.  In this secondary mathematics lesson, students plat the game of HOG using dice and explore the optimal strategies.  Young scholars play the game three ways:  any number of dice, a fixed...
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Count The Letters

For Teachers 6th - 9th
Students perform activities involving ratios, proportions and percents. Given a newspaper article, groups of students count the number of letters in a given area. They use calculators and data collected to construct a pie chart and bar...
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Equations in Motion: Design and construct a mobile

For Teachers 6th - 9th
Students participate in a lesson that covers the concepts of solving equations and inequalities. To master the concept they must demonstrate visually and verbally how both sides of an equation must be balanced. They construct a balanced...
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Uncollectible Accounts Receivable

For Teachers 10th - 12th
Students study uncollectible accounts expense. They analyze an adjustment for uncollectible accounts expense, enter an adjustment for uncollectible accounts expense on a Work Sheet, and post the entry to write off an uncollectible A/R.
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"How Tall, How Short, How Faraway" by David A. Adler

For Teachers 4th - 6th
Students list in a journal what "measurement" is. They measure with standard and non-standard units and record data on a class chart. They also construct a meter tape.
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How We Have Changed!

For Teachers 1st
First graders practice using their writing skills. They create memory books through the use of daily journal writing questions of the day. Students respond to story prompts and write autobiographies of themselves and another classmate.
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work in pairs for the activities of this lesson which include researching and identifying butterflies, writing, and a brief oral presentation.

For Teachers 9th - 12th
Students explore the concepts of rdioactive decay and dating. They generate a radioactive decay table, use their data to plot a decay graph, develop the concept of half-life, and then use the graph to find the age of a mummified seal in...
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Weather Watchers

For Teachers 2nd - 3rd
Students are introduced to an Underground Weather Stations. In groups, they use the internet to research the weather in different parts of the United States locating each city. To end the lesson, they summarize the information they...