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Topic (Course) 
Technology 
Type 
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Rating 

Number Line Arithmetic

Subtraction (Math 3) 
Java Applet 
Tool 

[1]

This virtual manipulative can be used to depict whole number addition, subtraction, multiplication and division operations carried out on a numberline.
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Number Line Bounce

Subtraction (Math 3) 
Java Applet 
Tool 

[5]

This virtual manipulative can be used to visualize a sequence of operations on a number line and to create number sentences representing the operations.
More: lessons, discussions, ratings, reviews,...

Number Pyramid

Subtraction (Math 3) 
iPad 
Tool 
$ 
[0]

Number Pyramid is a math game focusing on addition and subtraction skills. Using the information from the blocks that you know, you must calculate the values for the rest of the blocks that make up th...
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Number Sequences: I

Subtraction (Math 3) 
Computer 
Tool 
$ 
[0]

Alterable worksheet in which students fill in missing numbers in sequences, counting backwards and forwards in 2's, 3's, 4's, and 5's. Fee required to print; see this page.
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Number Sequences: II

Subtraction (Math 3) 
Computer 
Tool 
$ 
[0]

Alterable worksheet in which students fill in the missing numbers in sequences, counting backwards and forwards in 6's, 7's, 8's, 9's, 10's, and 11's. Fee required to print; see this page.
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Number Triangle Level 1

Subtraction (Math 3) 
Flash 
Tool 

[2]

First level in a set of three Number Triangle activities. They are an electronic version of flash cards emphasizing fact families. An addition/subtraction Number Triangle has two addends and a sum; a ...
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Number_Pyramid

Subtraction (Math 3) 
iPad 
Tool 
$ 
[0]

Number pyramids are often used to practice addition and subtraction in German primary schools. Each brick's number is the sum of the two numbers under it. Place the missing numbers in the empty bricks...
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Problem Solving with Addition ...

Subtraction (Math 3) 
Flash 
Tool 

[1]

This module can be used as a starting point for practising problem solving using addition and subtraction word problems. It includes factsheets, worksheets, a quiz at three levels, and two practice ga...
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Soroban in Various Number Syst...

Subtraction (Math 3) 
Java Applet 
Tool 

[0]

An interactive Java gadget simulating sorobanthe Japanese abacus. Options inlude selecting the number system base and the number of wires. The applet displays the number matching the configur...
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Suan Pan in Various Number Sys...

Subtraction (Math 3) 
Java Applet 
Tool 

[0]

An interactive Java gadget simulating suan panthe Chinese abacus. Options include selecting the number system base and the number of wires. The applet displays the number matching the configu...
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Subtraction Table

Subtraction (Math 3) 
Flash 
Tool 

[0]

Subtract the column heading from the number in each row; drag the answers to fill in the table. Click on any square in the table to see the arithmetic expression; click again to see a visual represent...
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Subtraction Worksheets

Subtraction (Math 3) 
JavaScript 
Tool 

[0]

A script which allows control over generating positive whole number subtraction problems of various lengths.
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Subtraction Workshop

Subtraction (Math 3) 
Flash 
Tool 

[0]

Use this tool to practice subtraction in columns using borrowing when necessary. Students must work column by column, checking results as they go.
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The Abacus in Various Number S...

Subtraction (Math 3) 
Java Applet 
Tool 

[0]

An interactive Java applet showing one or two Russian abacuses with options to select the base of the number system and the number of wires. The applet displays the number matching the current config...
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Thinking Blocks: Addition and ...

Subtraction (Math 3) 
Flash 
Tool 

[3]

Learn how to solve word problems involving addition and subtraction. Organize story components into visual models that are easy to understand.

Touch Natural Numbers

Subtraction (Math 3) 
Android 
Tool 

[0]

With this app you can:

Whole Calculator

Subtraction (Math 3) 
Android 
Tool 

[0]

This app functions as a calculator for the set of the natural numbers (N). Type the numerical operations and view the both inputs and the result in words.
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Written Addition and Subtracti...

Subtraction (Math 3) 
Flash 
Tool 

[0]

This module can be used as a starting point for learning different methods of written addition and subtraction. Factsheets, worksheets, games, and a quiz review and check understanding. A "For Tutors"...
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XP Math: Need for Speed: Subtr...

Subtraction (Math 3) 
Flash 
Tool 

[0]

In this game, students change lanes to avoid other cars in the race by answering subtraction problems.
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XP Math: Whole Numbers Subtrac...

Subtraction (Math 3) 
Flash 
Tool 

[0]

In this game, students race the clock to subtract numbers from 0 to 9.
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XP Math: Whole Numbers Subtrac...

Subtraction (Math 3) 
Flash 
Tool 

[0]

In this game, students race the clock to subtract numbers from 0 to 99, in a vertical arrangement.
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Number Sequences: III

Subtraction (Math 4) 
Computer 
Activity 
$ 
[1]

Alterable worksheet in which students fill in the missing numbers in sequences, counting forwards and backwards in 6's, 7's, 8's, 9's, 10's, 11's, 15's, 19's, 21's, and 25's. Fee required to print; s...
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Subtraction and Negative Numbe...

Subtraction (Math 4) 
Flash 
Support Material 

[0]

This interactive multimedia tutorial explores visualizations of subtraction and negative numbers.
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TeachingTools.com

Subtraction (Math 4) 
Computer 
Support Material 
$ 
[1]

TeachingTools.com contains a series of online "tools" enabling you to quickly generate an almost infinite number of math (and other subjects) worksheets and their answer keys.
You can then choose to...
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Arithmetic Quiz

Subtraction (Math 4) 
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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