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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Integer Generator

Randomness (Probability & Statistics) 
JavaScript 
Tool 

[0]

This form allows you to generate random integers. The randomness comes from atmospheric noise, which for many purposes is better than the pseudorandom number algorithms typically used in computer pro...
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Randomizer

Randomness (Probability & Statistics) 
JavaScript 
Tool 

[0]

This applet randomizes a given set of numbers defined by the user.
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Single Runner

Rates (Math 4)+ 
Java Applet 
Lesson Plan 

[0]

Students use a software simulation of one runner along a track. This activity helps students understand, describe, and compare situations involving constant rate of change.
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Two Runners

Rates (Math 4)+ 
Java Applet 
Lesson Plan 

[2]

While moving runners along a line, and changing their step size and starting position, the students will identify and describe situations with constant rates of change and compare them.
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How fast can you run?

Rates (Math 4)+ 
Excel 
Tool 

[1]

Students determine how fast they can run in ft/s, mi/hr, m/s, and km/hr.
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Understanding Distance, Speed,...

Rates (Math 4)+ 
Java Applet 
Tool 

[72]

In this activity, students investigate how changing starting position and step size affect the graph of time versus distance.
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Exploring Distance, Rate, and ...

Rates (Math 5)+ 
Java Applet 
Activity 

[1]

This lesson involves the Runners' applet from the NCTM website. The applet uses two runners, and allows for a variety of parameters. Changing the parameters on the applet helps students develop an und...
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Exploring Distance, Rate, and ...

Rates (Math 5)+ 
Java Applet 
Activity 

[0]

This worksheet follows up on the classwork activity. Although the homework can be done without having access to the web, it is more beneficial for students to use the applet to check their answers.
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Changing Cost per Minute

Rates (Math 5)+ 
Java Applet 
Tool 

[3]

Users learn how modifications in the rate affect the linear graph displaying accumulation (the total cost of calls).
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Constant Cost per Minute

Rates (Math 5)+ 
Java Applet 
Tool 

[0]

Users examine and try to understand the relationship between a constant rate and how it affects the cost over time.
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Distance, Rate, and Time

Rates (Math 5)+ 
JavaScript 
Tool 

[0]

The user learns about rates and how to use formulas for solving word problems. After viewing examples, users can interactively practice problems using proportions or the distance formula to find the m...
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Rate

Rates (Math 5)+ 
Flash 
Tool 

[0]

Understand that rate compares two quantities of different kinds of units and learn how to express rates as unit rates. This online lesson includes an interactive activity and assessment question set.
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Runners

Rates (Math 5)+ 
Java Applet 
Technology PoW 

[5]

Tell how a runner's step size predicts the time it takes
to run from the building to the tree. A link to a Java applet from NCTM's Electronic Examples, Principles and Standards for School Mathe...
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Galactic Exchange Problem

Ratio and proportion (Math 4)+ 
Java Applet 
Activity 

[0]

This problem allows students to investigate ratio and proportion, by discovering the exchange rate between different alien currencies (i.e. 7 circles have the same value as 3 triangles, etc.) By manip...
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Balance Applet Teacher Introdu...

Ratio and proportion (Math 4)+ 

Lesson Plan 

[0]

The Balance Applet is a game. There is a balance and 3 different shapes. The weight of one shape is given. The player is asked to find the other shapes' weights using the balance.
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Galactic Exchange Teacher Reso...

Ratio and proportion (Math 4)+ 
Java Applet 
Lesson Plan 

[0]

Links to Standards, activities, lessons, Ask Dr. Math archives, vocabulary, other resources.
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Lifting a Lion, TI15

Ratio and proportion (Math 4)+ 
TI15 
Lesson Plan 

[0]

An activity designed to take advantage of the features of the TI15 calculator. Using a toy lion and a lever, students will discover how much work is needed to raise the toy lion. They will use propor...
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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.
NOTE: A free login is required. Sign up using the link on the login page, or use...
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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
NOTE: A free login is required. Sign up using the link on the login page, or use your exis...
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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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