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Topic (Course) 
Technology 
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Interactive Story Problem: The...

Solve by substitution (Algebra) 
Excel 
Tool 

[1]

Students explore some of the costs associated with smoking cigarettes. Note the User's Guide link (MS Word file download) provides additional notes for the instructor.
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Linear Inequalities

Solve by substitution (Algebra) 
Computer 
Tool 

[0]

Students create linear inequalities and systems of linear inequalities on a coordinate plane. This is like a graphing calculator with advanced viewing options.
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Systems of linear equations in...

Solve by substitution (Algebra) 
iPad 
Tool 
$ 
[0]

This app, Systems of linear equations in two variables (Algebra for kids), provides a way to help students learn algebra. Students can drag and drop or tap the numbers or variables of the equations to...
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MathStudio

Solving Exponential Equations (Algebra II) 
Computer 
Tool 

[1]

MathStudio is an opensource program intended to be an easy and powerful symbolic calculator. It differs from other programs of this type both because of the way the user inputs the expression and bec...
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MathStudio

Solving Lograithmic Equations (Algebra II) 
Computer 
Tool 

[1]

MathStudio is an opensource program intended to be an easy and powerful symbolic calculator. It differs from other programs of this type both because of the way the user inputs the expression and bec...
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Now/Next Recurrence Table Gene...

Solving Recurrence Rels. (Discrete Math) 
JavaScript 
Tool 

[2]

This JavaScript illustrates one method of dynamically generating a table of values for a recurrence equation.
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Solving Right Triangles (Trigo...

Solving Triangles (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains with examples how to solve right triangles: meaning finding all three sides and all three angles.
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Random Trigonometry Problems

Solving Triangles (Trigonometry) 
Flash 
Tool 

[0]

This tool generates trigonometry problems for practice, and shows the answer with working out at the student's request.
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VisualTrig: Triangle or Rectan...

Solving Triangles (Trigonometry) 
JavaScript 
Tool 

[2]

Online Desktop and PocketPC visual trigonometric calculators.
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Right Triangle Geometry

Solving Trig Equations (Trigonometry) 
Java Applet 
Activity 

[2]

This eModule presents realworld problems that motivate students to work with right triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles...
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Triangle Geometry

Solving Trig Equations (Trigonometry) 
Java Applet 
Activity 

[1]

This eModule presents realworld problems that motivate students to work with triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles and s...
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Right Triangle Geometry

Solving Trig Equations (Trigonometry) 
Java Applet 
Lesson Plan 

[0]

This eModule presents realworld problems that motivate students to work with right triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles...
More: lessons, discussions, ratings, reviews,...

Triangle Geometry

Solving Trig Equations (Trigonometry) 
Java Applet 
Lesson Plan 

[1]

This eModule presents realworld problems that motivate students to work with triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles and s...
More: lessons, discussions, ratings, reviews,...

Solving Trigonometric Equation...

Solving Trig Equations (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains how to solve trigonometric equations.
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The Zebra Danio and Its Escape...

Solving Trig Equations (Trigonometry) 
Computer 
Support Material 

[1]

Discusson, with examples, of an application of the derivative of the inverse tangent to a predatorprey sensing situation in fish. Includes questions for students at the end.
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Trigonometric Functions  Angl...

Solving Trig Equations (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains how to evaluate trigonometric functions for the common angle values of the first four quadrants.
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I See Graphs

Solving Trig Equations (Trigonometry) 
Computer Algebra System 
Tool 

[0]

This downloadable software designed by a teacher generates problems suitable for courses in Algebra I, Algebra II, Trigonometry, Probability and Statistics, and 3D graphing. It also creates graphs ...
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Inequalities of Cosine

Solving Trig Equations (Trigonometry) 
Java Applet 
Tool 

[0]

This applet shows geometrically the solution set to inequalities cos t >= a or cos t <= a. The function graph is also displayed and updated.
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MathStudio

Solving Trig Equations (Trigonometry) 
Computer 
Tool 

[1]

MathStudio is an opensource program intended to be an easy and powerful symbolic calculator. It differs from other programs of this type both because of the way the user inputs the expression and bec...
More: lessons, discussions, ratings, reviews,...

MathsNet:A Level Pure C2 Modul...

Solving Trig Equations (Trigonometry) 
Java Applet 
Tool 

[0]

Solving sine equations. This shows a sine curve that can be manipulated and a horizontal red bar that moves up and down. Students are given equations to solve, like sin x = .5. They graph sin x and t...
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cos t = a

Solving Trig Equations (Trigonometry) 
Java Applet 
Tool 

[0]

Given the cosine of t, students guess t (in degrees) in this Java applet.
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sin t = a

Solving Trig Equations (Trigonometry) 
Java Applet 
Tool 

[0]

Given the sine of t, students guess t (in degrees) in this Java applet.
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sin t >= a

Solving Trig Equations (Trigonometry) 
Java Applet 
Tool 

[0]

This applet shows geometrically the solution set to an inequality sin t >= a. The graph of sine is also displayed to the right and updated. Measurements in degrees only.
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A Phoney Deal: Make a Mathema...

Solving systems of equations (Algebra II) 
TINspire 
Tool 

[0]

A TINspire^{TM} file that students can use to reflect on the "Make a Mathematical Model" Activity from the Math Forum's Problem Solving and Communication Activity Series. This is designed to ...
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Adding Apples and Oranges

Solving systems of equations (Algebra II) 
JavaScript 
Tool 

[0]

Program about mental arithmetic with a prealgebra tool, introducing Gaussian elimination, an algorithm for solving systems of linear equations. Use the video on the page as a tutorial.
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