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Topic (Course) 
Technology 
Type 
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Rating 

Quincunx

Normal Distributions (Probability & Statistics) 
Java Applet 
Tool 

[0]

A quincunx board starts with 1 pin on the frist row, 2 pins on the second rows, 3 pins on the third row, and so on. Multiple balls are then dropped onto the top pin. As the balls fall to the bottom, t...
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Standard Deviation Calculator

Normal Distributions (Probability & Statistics) 
Flash 
Tool 

[0]

Students often experience difficulty with the concepts of variance and standard deviation. This tool presents these concepts both visually and interactively. It provides an example using a given five ...
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Standard Normal Distribution

Normal Distributions (Probability & Statistics) 
Java Applet 
Tool 

[2]

This application is designed to enhance your understanding of standard scores, areas under the normal curve, and probability as applied to inferential statisitics. With this application you can: scal...
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Dice Sums

Normal Distributions (Probability & Statistics) 
Java Applet 
Technology PoW 

[0]

Predict how often the sums of two dice occur after 100 rolls.
NOTE: A free login is required. Sign up using the link on the login page, or use your existing KenKen or Problems of the Week...
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A Lulu of a Function

Notation (Algebra) 
Java Applet 
Activity 

[1]

This activity guides exploration of functional aspects of the Lulu microworld (from Nathalie Sinclair's AliveMaths site, applet programmed by Stéfan Sinclair). Functions called for are NOT y = f(x) fu...
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Function Flyer

Notation (Algebra) 
Java Applet 
Tool 

[2]

Students can manipulate the constants and coefficients in any function thereby encouraging the user to explore the effects on the graph of the function by changing those numbers.
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The Integers (Amsco Integrated...

Number Systems (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains counting numbers, whole numbers, and integers, including types of sets, subsets of integers, ordering the integers, symbols of inequality, and absolute value.
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Circle 3

Number Systems (Algebra) 
Java Applet 
Tool 

[2]

Position the numbers inside of the circles and intersections of circles in such a way that the three numbers in each of the circles sums (adds up) to three.
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Converting Units

Number Systems (Algebra) 
Java Applet 
Tool 

[3]

Use a simple system for converting units.
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Percentages

Number Systems (Algebra) 
Java Applet 
Tool 

[3]

Discover relationships between fractions, percentages, and decimals.
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Sieve of Eratosthenes

Number Systems (Algebra) 
Java Applet 
Tool 

[0]

This virtual manipulative displays a grid containing numbers from 1 to 200. You can use it to explore patterns and relationships involving multiples.
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Touch Integers ℤ (+  × ...

Number Systems (Algebra) 
Android 
Tool 

[0]

The fundamental theorem of arithmetic, also known as the unique factorization theorem or the uniqueprimefactorization theorem, states that every integer greater than 1 either is prime itself or is t...
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Building Houses Activity

Number sense (Kindergarten) 
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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Building Houses

Number sense (Kindergarten) 
Java Applet 
Lesson Plan 

[0]

Students count, order, and compare the different sizes of integer bars as they make house designs.
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Episode 1: Comparing and Class...

Number sense (Kindergarten) 
Flash 
Lesson Plan 

[2]

Activities for investigating more or less, counting and classifying numbers to compare groups.
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Episode 3: Counting

Number sense (Kindergarten) 
Flash 
Lesson Plan 

[1]

Activities to develop skills in counting; one to one correspondence; forwards and backwards from 10 to 1 and 1 to 10.
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Episode 5: Representing Number...

Number sense (Kindergarten) 
Flash 
Lesson Plan 

[0]

Activities to develop understandings of the representations of numbers 1 to 5.
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Episode 6: Representing Number...

Number sense (Kindergarten) 
Flash 
Lesson Plan 

[0]

Activities to develop understandings of the representations of numbers less than 10.
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KenKen for Younger Learners

Number sense (Kindergarten) 
iPad 
Lesson Plan 

[0]

Use KenKen puzzles to improve arithmetic and reasoning skills. Students will:

Bees and Flowers

Number sense (Kindergarten) 
Java Applet 
Tool 

[0]

An online activity for students to practice their understanding of "more" versus an "=" amount of two sets of objects. When the user incorrectly selects one set of objects to be equal or more than ano...
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Concentration

Number sense (Kindergarten) 
Java Applet 
Tool 

[1]

With this tool, users play a game like Concentration and match cards that show different representations of the same numbers.
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Count Us In: Game 1

Number sense (Kindergarten) 
Flash 
Tool 

[1]

The object of the game is to ensure that you have the same number of sheep in each paddock. To pick up a sheep in the left paddock, click on it. To drop the sheep, click again. Repeat this until you h...
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Count Us In: Game 3

Number sense (Kindergarten) 
Flash 
Tool 

[0]

Choose a level and then count all the things in the picture that are the same as the one in the count box.
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Count Us In: Game 5

Number sense (Kindergarten) 
Flash 
Tool 

[1]

The object of the game is to move the feathers with pictures to the correct feather number. Click on the feather and drag it to the correct number. If the feather is correct it will drop into place. R...
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Count Us In: Game 6

Number sense (Kindergarten) 
Flash 
Tool 

[1]

The object of the game is to move the crayons with word numbers to the correct number. Click on the crayon and drag it to the correct area its number points to. If the number is correct the color will...
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