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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

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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Ratio and Proportion

Ratio and proportion (Math 5) 
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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Thinking Blocks  Ratio Word P...

Ratios (Math 5)+ 
Flash 
Tool 

[6]

Thinking Blocks teaches students in grades 4  6 how to model and solve multistep word problems dealing with ratio and proportion. Using brightly colored blocks, students model the relationships among...
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A Hundred and Ten Percent

Ratio and proportion (Math 5) 
Java Applet 
Tool 

[0]

The user is given a number line and a percentage tool to use to think about discounts. Questions include finding the discount, finding the price before the discount or finding the discounted price.
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Balance Applet

Ratio and proportion (Math 5) 
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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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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Fish Farm I

Ratios (Math 5) 
Java Applet 
Tool 

[1]

Students try to place male and female fish in different ponds such as to satisfy certain restrictions on the ratios of male to female fish.
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Fish Farm, Part II

Ratios (Math 5) 
Java Applet 
Tool 

[1]

Students collect data on randomly chosen fish from a pond. Using this data, they try to determine the ratio of male fish to female fish in the pond.
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Free Ride

Ratio and proportion (Math 5) 
Java Applet 
Tool 

[2]

This applet allows you to vary the gear ratio of a bike. The distance traveled by a halfpedal is determined by the ratio of gears. Can you capture all five flags on a course?
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Galactic Exchange

Ratio and proportion (Math 5) 
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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Integer Bars

Ratio and proportion (Math 5) 
Java Applet 
Tool 

[0]

Compare, rotate, and combine Integer Bars, which come
in different colors and lengths  from 1 unit to
10 units.
NOTE: Jill Britton discovered that a zipped version of this applet by J...
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Pan Balance  Shapes (Fixed Va...

Ratio and proportion (Math 5) 
Java Applet 
Tool 

[3]

This double pan balance, created for use by participants in the PreK‑2 Algebra E‑Workshop, is a special version of the Pan Balance  Shapes applet. It uses numbers that are friendly for pr...
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Paper Pool Tool

Ratios (Math 5)+ 
Java Applet 
Tool 

[9]

This applet allows users to explore the game of Paper Pool in which a ball leaves a corner at 45 degrees and continues on until landing in a pocket.
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Understanding Distance, Speed,...

Rates (Math 5) 
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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Understanding Ratios of Areas ...

Ratios (Math 5) 
Java Applet 
Tool 

[0]

Users are given an opportunity to explore an interesting quantitative relationship between the area of a polygon and the area of an inscribed figure formed by joining the midpoints of the adjacent sid...
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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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Proportions

Proportions (Math 5) 
JavaScript 
Tool 

[0]

The user reviews the definition of proportions and how to take the cross product. After viewing examples, users can practice finding the cross product to solve for the missing number in the proportion...
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Ratios

Ratios (Math 5) 
JavaScript 
Tool 

[0]

The user reviews what ratios are. After viewing examples, users can practice finding equivalent ratios with this interactive tool.
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Similar Figures

Ratios (Math 5)+ 
JavaScript 
Tool 

[0]

The user learns what similar figures are and how to determine if two figures are similar. After viewing examples, users can interactively practice determining the length of the missing side of two sim...
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GeomeTwee

Ratio and proportion (Math 5) 
iPad 
Tool 

[0]

This is the junior version of GeomeTree. It enables the manipulation of geometric trees with two or three branches. Change angle between branches and change common ratio. Selectable themes draw ...
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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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Galactic Exchange II

Ratio and proportion (Math 5) 
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 5) 
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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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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