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Topic (Course) 
Technology 
Type 
$? 
Rating 

Magic Squares

Operations with numbers (Math 7) 
Java Applet 
Support Material 

[0]

These pages were written by Mutsumi Suzuki and until his retirement in 2001, were available through his site in Japan. It is the Math Forum's pleasure to host these pages so that the mathematical comm...
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Arbitrary Precision Calculator

Operations with numbers (Math 7)+ 
Java Applet 
Tool 

[0]

This applet is meant to demonstrate the importance of significant figures in measurement. This applies especially to significant figures in chemistry.
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Building Houses Activity

Operations with numbers (PreKindergarten)+ 
Java Applet 
Activity 

[1]

Students count, order, and compare the different sizes of integer bars as they make house designs using the Integer Bar applet by Jacobo Bulaevsky.
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Arithmetic Quiz

Operations with numbers (PreKindergarten)+ 
Java Applet 
Tool 

[1]

This activity allows the user to practice addition, subtraction, multiplication, and division, with variable difficulty, type of problem, and time allowed. Scoring is also an option.
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Base Blocks

Operations with numbers (PreKindergarten)+ 
Java Applet 
Tool 

[10]

Illustrate addition and subtraction in a variety of bases.
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TouchCounts

Operations with numbers (PreKindergarten)+ 
iPad 
Tool 

[0]

TouchCounts lets children use their fingers, eyes, and ears to learn to count, add, and subtract. By tapping and swiping and by using speciallydesigned gestures for adding and subtracting, children c...
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Optimization: Quiz

Optimization and extrema (Calculus) 
Computer 
Activity 

[0]

Quiz (with answers) on optimization problems.
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Principles of Calculus Modelin...

Optimization and extrema (Calculus) 
Computer 
Activity 

[0]

Exercises on optimization problems.
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Area of a Rectangle Inscribed ...

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

What is the rectangle with the maximum area which can be inscribed in a semicircle? Experiment, then see the solution.
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Cross Section of Gutter

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

A gutter is made from a rectangular plate; use trial and error to find the maximum area of the cross section.
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Curve Analysis: Global Extrema

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

A Java applet that explores global extrema, with questions to answer using the applet. Includes a rescalable presentation version with large fonts.
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Graphs and Derivatives

Optimization and extrema (Calculus) 
Flash 
Tool 

[0]

Animated exploration of local and global maxima and minima.
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How to find a function's extre...

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

What is the largest rectangle that can be inscribed in a right triangle? Analyze the graph of the rectangle's area to find out. Includes exercise, solutions, and didactic background.
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Optimization

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

Try to maximize the area of a rectangle with fixed perimeter.
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Optimization: Maximize Volume

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

A Java applet that explores optimization through the box problem (creating a box from a flat piece of cardboard), with questions to answer using the applet. Includes a rescalable presentation version...
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Problem of Maximum of AREA

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

Look for the maximum area of the given figure.
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Shortest Ladder over a Fence

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

What is the length of the shortest ladder that can reach from the ground over the fence to the wall of the building? Experiment, then see the solution.
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Some MaxMin Problems

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

A collection of maximization and minimization problems: maximize the areas of various regions, and investigate the behavior of a falling ball.
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The Fastest Route

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

What is the fastest route through the desert and along the road to the town? Experiment, then see the solution.
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The Longest Ladder

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

What is the length of the longest ladder that can be carried around a corner? Experiment, then see the solution.
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Timmy's Magical Adventure

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

Timmy has to travel across a river to save a group of orphans from a burning house. Enter Timmy's walking and rowing speeds, and see his ideal path.
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Identify Mistakes in Order of ...

Order of Operations (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains how to identify mistakes in the order of operations in a multistep derivation.
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Order of Operations (Amsco Int...

Order of Operations (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains the order of operations, based on prior knowledge of binary operations, factors of a number, prime numbers, and exponents.
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Place Your Order

Order of operations (Math 4)+ 
Calculator 
Activity 

[2]

Calculator activity involving order of operations.
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Number Theory

Order of operations (Math 5)+ 
Computer 
Support Material 

[2]

Collection of illustrated descriptions intended to develop order of operations and properties of addition and multiplication. Includes questions for students to work out, with automated feedback.
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