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Topic (Course) 
Technology 
Type 
$? 
Rating 

Numbers as Measurements (Amsco...

Measurement (Math 6)+ 
Flash 
Support Material 

[0]

This lesson explains how to find measurements of object/shapes, and deals with significant digits, precision/accuracy, and ways of expressing error in measurement.
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Numbers to Line

Counting (PreKindergarten)+ 
Flash 
Tool 

[1]

Fill the number line by clicking a tick mark on the number line and dragging the cursor to the number that belongs there.
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Numeral Tree

Counting (PreKindergarten)+ 
Flash 
Tool 

[0]

Drag the numbers onto the tree in order from least to greatest. The highest number will be the number of branches on the tree.
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Numerical Analysis

Recursion and special sequences (Algebra II)+ 
Computer 
Lesson Plan 

[0]

This investigation illustrates the use of iteration, recursion and algebra to model and analyze a changing fish population. Graphs, equations, tables, and technological tools are used to investigate t...
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Numerical Approximations of De...

Riemann and trapezoidal sums (Calculus) 
Computer 
Support Material 

[0]

Describes and compares lefthand, righthand, trapezoidal, midpoint, and Simpson's rules for approximating an integral.
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Numerical Exploration of Limit...

Est. lims. w/ graphs or tables (Calculus) 
Computer 
Support Material 

[0]

Tables suggest that a particular function does not have a limit at a certain value.
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Numerical Exploration of Limit...

Est. lims. w/ graphs or tables (Calculus) 
JavaScript 
Tool 

[0]

Use tables to explore the limit of sin(nx)/(mx).
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Numerical Exploration of Limit...

Est. lims. w/ graphs or tables (Calculus) 
JavaScript 
Tool 

[0]

Use tables to investigate whether the limit as x goes to 2 of 1/(x2)^n exists.
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Numerical Integration

Riemann sums: L, R, and M. (Calculus) 
Java Applet 
Tool 

[2]

View left and right Riemann sums and trapezoidal and Simpson's rule approximations for various functions.
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Numerical Integration Tutorial

Riemann and trapezoidal sums (Calculus) 
Java Applet 
Tool 

[0]

Select one of the listed functions, choose endpoints, and compare righthand, midpoint, and trapezoidal approximations to the definite integral.
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Numerical Integration: Trapezo...

Numeric Approx. to Def. Ints. (Calculus) 
Java Applet 
Tool 

[0]

Graphs the function you enter and the area under the curve, and calculates this area according to the Trapezoid Rule and Simpson's Rule.
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Numerical computation of seque...

Functions, Graphs, and Limits (Calculus) 
JavaScript 
Tool 

[0]

Enter an expression for the terms of a sequence, and a given number of terms will be calculated.
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Numerical computation of serie...

Concept of infinite series (Calculus) 
JavaScript 
Tool 

[0]

Enter an expression for a series, and a given number of partial sums will be calculated.
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Numerical integration rules

Riemann and trapezoidal sums (Calculus)+ 
Java Applet 
Tool 

[0]

Use lefthand, righthand, midpoint, trapezoidal, and Simpson's rules to approximate the area under a specific rational function.
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ODE Toolkit

Differential equations (Calculus) 
Computer 
Tool 

[0]

ODE Toolkit can numerically find and display the solutions to differential equations. It is useful when you want to visualize the solutions to differential equations, or when analytic solutions are no...
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Obblog 2

Logical Form & Equivalence (Discrete Math)+ 
JavaScript 
Tool 

[0]

Obblog 2 is an elementary logic simulator that displays 15 basic logic gates and their truth tables. It shows a possible inner workings of the logic gates. The user can build elementary logic machines...
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Occurrence of the Conics

Vocabulary (Algebra II) 
Computer 
Tool 

[0]

One page summary of places that you will see conics in "real life." Some of the pictures are animated, but most of the page is static. Nice applications.
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Octagon, definition and proper...

Polygons (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet illustrating the properties of a octagon (8 sided polygon).
The applet shows an octagon where the user can drag any vertex to reshape it.
User can see t...
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Odd or Even

Number theory (Math 3)+ 
Flash 
Tool 

[0]

Drag and drop the number tiles to their correct position on the Venn diagram.
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Odd or Even?

Function graphs (Calculus) 
Java Applet 
Tool 

[0]

Select functions and perform various reflections to determine whether the functions are odd or even.
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Old Egyptian Fractions

Fractions (Math 1)+ 
Android 
Tool 
$ 
[0]

This is the android version of the Mathcats Old Egyptian Fractions:
Old Egyptian Math Cats knew fractions like 1/2 or 1/4 (one piece of a pie).
But to make fractions like 3/4, they had to add pi...
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Old Egyptian Fractions for And...

Fractions (Math 1)+ 
Android 
Tool 

[0]

This is the Android version of the Mathcats Old Egyptian Fractions:
Old Egyptian Math Cats knew fractions like 1/2 or 1/4 (one piece of a pie).
But to make fractions like 3/4, they had to add pi...
More: lessons, discussions, ratings, reviews,...

Omega Computer Algebra Calcula...

General (Math 7)+ 
Computer 
Tool 

[1]

This online Computer Algebra Systems (CAS) Explorer lets you compose a mathematical query with a calculatorlike graphical interface, then displays the output in text or graphic formats.
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On the definition of the deriv...

Tangent line (Calculus) 
Java Applet 
Tool 

[0]

Experiment with the tangent line to a function. Also includes exercises, solutions, and didactic background.
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One Type of Integral

Interpretations & properties (Calculus) 
Sketchpad 
Tool 

[1]

Download this Sketchpad file to investigate the definite integral using a model of a car accelerating from rest. Students explore the graph of the car's speed as a function of time, and use Sketchpad'...
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