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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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Comparing Measures with the Pr...

Making comparisons (Math 7)+ 
Java Applet 
Activity 

[0]

In these activities, you’ll predict and compare various dimensions of objects on a theatre stage, using the Proportioner tool.
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Explore More Tables

Ratios (Math 7)+ 
Java Applet 
Activity 

[1]

The interactive paper pool game in this iMath investigation provides an opportunity for students to further develop their understanding of ratio, proportion, and least common multiple.
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Exploring Distance, Rate, and ...

Rates (Math 7) 
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 7) 
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 Problem

Ratios (Math 7) 
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, Part II Problem

Ratios (Math 7) 
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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Galactic Exchange Problem

Ratio and proportion (Math 7) 
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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Go the Distance

Ratios (Math 7)+ 
Java Applet 
Activity 

[0]

The interactive paper pool game in this iMath investigation provides an opportunity for students to further develop their understanding of ratio, proportion, and least common multiple.
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Graph Zooming Problem

Scale (Math 7) 
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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Leonardo da Vinci Activity

Ratio and proportion (Math 7) 
Java Applet 
Activity 

[0]

Students answer the question: Is the ratio of our arm span to our height really equal to 1? If an emphasis is given to a/h = 1, this can be an engaging activity using variables. Use a spreadsheet to w...
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Look for Patterns

Ratios (Math 7)+ 
Java Applet 
Activity 

[2]

The interactive paper pool game in this iMath investigation provides an opportunity for students to further develop their understanding of ratio, proportion, and least common multiple.
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Area of an Equilateral Triangl...

Ratio and proportion (Math 7) 
TI73 Explorer 
Activity 

[0]

Stepbystep directions on how to use the GeoBoard App to construct objects of various sizes on circular or square boards.
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Balance Applet Teacher Introdu...

Ratio and proportion (Math 7) 

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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FibonacciLike Sequences and t...

Ratios (Math 7) 
Excel 
Lesson Plan 

[0]

In this activity, students develop the Fibonacci sequence and use a spreadsheet to investigate several of its interesting properties, drawing on a recursive formula to discuss arithmetic and geometric...
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Was Leonardo Correct? (continu...

Ratios (Math 7) 
Fathom 
Lesson Plan 

[0]

This activity builds on “LeastSquares Lines and Correlation – Was Leonardo Correct?” from Exploring Statistics with Fathom, which examines the accuracy of various ideal ratios between body ...
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Analyzing Numeric and Geometri...

Ratio and proportion (Math 7) 
Java Applet 
Lesson Plan 

[1]

A unit overview of four individual lessons that include student resources for the Paper Pool project, preparation notes, answers, and a holisticbycategory scoring rubric with guidelines for how it c...
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Fish Farm Teacher Support

Ratios (Math 7) 
Java Applet 
Lesson Plan 

[0]

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

Ratios (Math 7) 
Java Applet 
Lesson Plan 

[1]

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

Ratio and proportion (Math 7) 
Java Applet 
Lesson Plan 

[0]

Links to Standards, activities, lessons, Ask Dr. Math archives, vocabulary, other resources.
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Graph Zooming Teacher Support

Scale (Math 7) 
Java Applet 
Lesson Plan 

[0]

Links to Standards, activities, lessons, Ask Dr. Math archives, vocabulary, other resources.
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Leonardo da Vinci Lesson Plan

Ratio and proportion (Math 7) 
Java Applet 
Lesson Plan 

[2]

Question: Is the ratio of our arm span to our height really equal to 1? If an emphasis is given to a/h = 1, this can be an engaging activity using variables. Use a spreadsheet to work with the data.
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Paper Pool Game

Ratios (Math 7)+ 
Java Applet 
Lesson Plan 

[1]

The interactive paper pool game in this iMath investigation provides an opportunity for students to further develop their understanding of ratio, proportion, and least common multiple.
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Lifting a Lion, TI15

Ratio and proportion (Math 7) 
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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Direct Variation (Amsco Integr...

Making comparisons (Math 7)+ 
Flash 
Support Material 

[0]

This minilesson explains direct variation: a relationship between two variables such that their ratio is always constant.
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