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Topic (Course) 
Technology 
Type 
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Balance Applet

Ratio and proportion (Math 4)+ 
Java Applet 
Tool 

[0]

The weight of one of three shapes is shown in a box below that shape. Try to figure out the weight of the other two objects by using the balance.
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Galactic Exchange

Ratio and proportion (Math 4)+ 
Java Applet 
Tool 

[4]

Students are asked to discover the exchange rates among different types of alien currency, and use this information to find out the amount of money needed to "buy" certain types of food.
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Ratio and Proportion

Ratio and proportion (Math 4)+ 
Flash 
Tool 

[1]

This module's aim is to remind learners about simple ratio and direct proportion, using factsheets, worksheets, an activity, a game, and a quiz at multiple difficulty levels.
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Galactic Exchange II

Ratio and proportion (Math 4)+ 
Java Applet 
Technology PoW 

[3]

By using the vending machine (Java applet) to buy food, determine the relative values of the coins.
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Intercambio Galáctico II

Ratio and proportion (Math 4)+ 
Java Applet 
Technology PoW 

[0]

Determine el valor relativo del dinero en el Planeta Naranja.
versión en inglés
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Ameba

Ratio and proportion (Math 5)+ 
Flash 
Tool 

[3]

Ameba is designed to help students gain a better understanding of ratios and proportions. Students are asked to eat a given amount of dots in reference to the total number of dots on the board. The to...
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Personal Shopper

Ratio and proportion (Math 5)+ 
Flash 
Tool 

[3]

The Personal Shopper game uses shopping and moneyhandling in order to reinforce the idea of proportional reasoning. The gameplay involves the player being given a certain amount of money, and a perc...
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Corredores

Ratio and proportion (Math 5)+ 
Java Applet 
Technology PoW 

[0]

Di cómo el tamaño del paso de un corredor puede ayudarte a predecir el tiempo que debería hacer el o ella para recorrer una distancia determinada.
versión en inglés
NOTE: A f...
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Graph Zooming Problem

Ratio and proportion (Math 6)+ 
Java Applet 
Activity 

[0]

By asking students about the intersection between two lines, this problem involves solving two linear equations graphically. However, the main purpose of the problem is to investigate what happens whe...
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Graph Zooming Teacher Support

Ratio and proportion (Math 6)+ 
Java Applet 
Lesson Plan 

[0]

Links to Standards, activities, lessons, Ask Dr. Math archives, vocabulary, other resources.
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Work Related Problems (Algebra...

Ratio and proportion (Math 6)+ 
Flash 
Support Material 

[0]

This minilesson explains work problems involving situations such as a group of people working together on a job.
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Connection Speed

Ratio and proportion (Math 6)+ 
Excel 
Tool 

[0]

Students test the speed of their Internet connection and then estimate the time required to upload and download files of various sizes.
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Graph Zooming

Ratio and proportion (Math 6)+ 
Java Applet 
Tool 

[0]

Students use different buttons to zoom a graph. They then investigate what is visible and what isn't, depending on which scale the zoom displays.
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LineUp with Math

Ratio and proportion (Math 6)+ 
Java Applet 
Tool 

[0]

LineUp With Math(TM) consists of six Problem Sets. Each enables students to explore and apply decisionmaking and proportional reasoning skills to resolve distanceratetime conflicts in realistic ...
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Ratios and Proportions Unit Qu...

Ratio and proportion (Math 6)+ 
JavaScript 
Tool 

[0]

The user takes an online interactive quiz on ratios, proportions, rates, and similar figures.
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Cabri Jr. Sample Activities

Ratio and proportion (Math 7)+ 
Cabri Jr. 
Activity 

[0]

The intent of each activity in this brief book is to allow students to use the TI83 Plus and TI84 Plus families of graphing calculators to explore and make conjectures related to key geometry concep...
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Ratio Test

Ratio test (Calculus) 
Computer 
Support Material 

[0]

Defines the Ratio Test for convergence of an infinite series.
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Ratio Test

Ratio test (Calculus) 
Flash 
Tool 

[0]

Technical discussion of the reasoning behind the Ratio Test.
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Ratio Test

Ratio test (Calculus) 
Java Applet 
Tool 

[0]

Technical discussion of the reasoning behind the Ratio Test.
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Convert between Radicals and F...

Rational (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains how to convert a radical into a fractional exponent.
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Algebra Definitions

Rational (Algebra)+ 
JavaScript 
Tool 

[0]

The user reviews definitions of important algebra terms. After viewing further explanations and some examples, users can interactively test their understanding of the definitions of important algebra...
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Rational Exponents

Rational (Algebra) 
Flash 
Tool 

[0]

Flashbased introduction to fractional exponents. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free math modules.<...
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Explore Rational Functions

Rational Equations (Algebra) 
Java Applet 
Tool 

[1]

Graph a rational function of the form (ax + b)/ (cx + d) and change its coefficients.
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The Meaning of an Algebraic Fr...

Rational Expressions (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains the meaning of an algebraic fraction or rational expression.
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Working with Ratios (Algebra I...

Rational Expressions (Algebra) 
Flash 
Support Material 

[0]

This minilesson you'll learn how to work with ratios, including how to compare more than two quantities at a time and then combine their ratios.
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