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Topic (Course) 
Technology 
Type 
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All About Ratios

Ratios (Math 5) 
Computer 
Tool 

[2]

The "All About Ratios" activities are designed to introduce ratios in a conceptbuilding way. The activities can be done on computers with Internet access or be printed. The author suggests that pairs...
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All About Ratios: A Learning T...

Ratios (Math 5) 
Flash 
Tool 

[2]

The "All About Ratios" activities are designed to introduce ratios in a conceptbuilding way. Activities include both practice exercises and a quiz.
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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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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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Balance Applet Teacher Introdu...

Ratio and proportion (Math 5) 

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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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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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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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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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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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 Problem

Ratios (Math 5) 
Java Applet 
Activity 

[1]

Depending on the student's approach to this problem, many types of math can be incorporated to solve this problem. The concept of ratio is used throughout, and students can solve the problem by experi...
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Fish Farm Teacher Support

Ratios (Math 5) 
Java Applet 
Lesson Plan 

[0]

Links to Standards, activities, lessons, other resources.
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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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Fish Farm, Part II Problem

Ratios (Math 5) 
Java Applet 
Activity 

[0]

This problem allows students to investigate different data collection methods. Students realize that they get different data depending on whether they have a small sample size, but a large number of t...
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Fish Farm, Part II Teacher Sup...

Ratios (Math 5) 
Java Applet 
Lesson Plan 

[1]

Links to Standards, activities, lessons, student resources, and other resources.
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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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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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Galactic Exchange Problem

Ratio and proportion (Math 5) 
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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Galactic Exchange Teacher Reso...

Ratio and proportion (Math 5) 
Java Applet 
Lesson Plan 

[0]

Links to Standards, activities, lessons, Ask Dr. Math archives, vocabulary, other resources.
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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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Graphical Representations for ...

Ratios (Math 5)+ 
Java Applet 
Lesson Plan 

[1]

Finding a rule for the number of hits is only the first step in exploring the Paper Pool game. Students can gain a deeper understanding of the patterns by considering graphical representations of the ...
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How Many Hits?

Ratios (Math 5)+ 
Java Applet 
Lesson Plan 

[1]

Students will continue their investigation of the Paper Pool game by exploring more tables and organizing the results. Using the data that they collect, they will attempt to find a relationship betwee...
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