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How popular is your favorite site?

For Teachers 7th - 12th
Students gather data for the project for the entire year. They plot their data, try to fit a equation to their data, and speculate on why the data shows the pattern it does and project its future growth.
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Earthquake, Earthquake, Read All About It!

For Teachers 5th - 8th
Students utilize the U.S. Geological Service web site. They research the various types of scales used to measure earthquakes and classify different situations on the scale. They write a story about a town that has just experienced a quake.
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Pi Day (March 14)

For Teachers 4th
Fourth graders determine the value of ? by measuring the circumference and diameter of circular objects such as soup cans, Oreo cookies, etc..
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Magnitude of the Richter Scale

For Teachers 3rd - 5th
Students examine how a Richter scale operates. They create a booklet illustrating each rating on the scale. They discover how engineers use different measurement tools.
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Algebra II: Exponential Functions

For Teachers 9th - 12th
High schoolers investigate, describe, and predict the effects of parameter changes on the graphs of exponential functions; describe limitations on the domains and ranges of these functions; and examine asymptotic behavior.
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Earth Science: In Depth Look at Earthquakes

For Teachers 9th - 12th
Learners engage in an interactive Internet instructional activity covering the reasons and results of earthquakes. After reading eyewitness accounts and viewing animations, they use seismograms to measure and locate the epicenters. In an...
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Are You a Golden Ratio?

For Teachers 6th - 8th
Young scholars explore the concept of the golden ratio in nature and architectural design. They discuss examples such as petals on a sunflower and the Parthenon. In small groups they take turns measuring their body parts to find a...
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Worksheet 24

For Students 11th - Higher Ed
In this math worksheet, they give conditions on the constants a and b which ensure that x0 is a regular singular point of the equation. Then they write examples of polynomial functions.
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Worksheet 28 - Spring 1996

For Students 11th - Higher Ed
For this math worksheet, students examine the graph in polar coordinates of r = f(θ). Then they sketch a graph of the modified functions indicated.
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Parent Functions Reference

For Teachers 11th - Higher Ed
In this functions worksheet, students explore the graphs of fifteen parent functions.  This worksheet is meant as a reference for students.
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Vertical and Horizontal Translations

For Teachers 11th - 12th
Students analyze function graphs.  In this Algebra II/Pre-calculus lesson, students investigate the graph of a function as they determine to which family of functions it belongs, determine the parent function and describe the...
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Design a Better Classroom Workplace

For Teachers 12th - Higher Ed
Students design a new classroom workplace. In this architecture activity, students use area formulas to identify the problem with the existing desks in their classroom. Students design their own solution volume formulas to solve the...
Worksheet
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Mathematical Wackie Wordies

For Students 9th
In this word worksheet, 9th graders examine pictures and write a mathematical phrase to describe the picture.  This one-page worksheet contains 25 problems.  Answers are provided.
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Exponential Equations and Functions

For Teachers Higher Ed
In this college level Pre-Calculus worksheet, students solve problems involving exponential functions.  Students determine the domain, range, y-intercept and asymptotes of exponential functions. The three page worksheet contains...
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Integrating Special Functions

For Students 11th - Higher Ed
In this math activity, students practice reading the examples of integrating special functions. The examples have the formulas included.
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Falling Hydrogen Ions

For Teachers 10th
Tenth graders define pH and use it to interpret amounts of hydrogen ions in a solution.  In this hydrogen activity students read about acid rain, divide into groups and present their information to the class. 
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7 Ways for Gen Xers to Help Secure Their Retirement

For Teachers 9th - 12th
Students explore the concept of budgeting. In this budgeting lesson plan, students read an article about preparing for retirement. Students create a budget of household expenses during retirement and create a savings plan for that budget.
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PreCalculus: Final Examination

For Students 10th - 12th
In this final examination learning exercise, students find the tangent function and sine function.  They graph problems on a polar coordinate.  Students describe trigonometric properties.  This twelve-page learning...
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Differential Equations and Population Growth

For Teachers 9th - 10th
Students determine the size of the population at a given time. They calculate the time at which the population will be a given number. They observe how the population grows at the rate that is directly proportional to the number of...
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Mixed Expressions and Complex Fractions

For Teachers 10th - 12th
Students are introduced to mixed expressions and complex fractions. They work through several problems with the instructor and then complete a worksheet.
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Scientific Notation III: Linear vs Exponential

For Teachers 9th - 12th
Students examine the differences in exponential growth and linear growth of a system. They interpret data on graphs and develop their own charts. They answer discussion questions as well.
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Vertical and Horizontal Translations

For Teachers 11th
Eleventh graders study seven functions. They use their handheld calculator to determine which family of functions the equation belongs, the parent function described, and they calculate the vertical and horizontal translation.
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Determination of a Rate Law

For Teachers 9th - 12th
Students determine the rate law for a chemical reaction. They use graphical techniques in the analysis of experimental data.
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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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