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Topic (Course) 
Technology 
Type 
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Base Blocks Subtraction

Subtraction (Math 1) 
Java Applet 
Tool 

[6]

Base blocks consist of individual units, longs (containing 10 units), flats (containing 10 longs), and blocks (containing 10 flats) and can be used to show place value for numbers and to increase unde...
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Episode 8: Subtraction

Subtraction (Math 1) 
Flash 
Lesson Plan 

[1]

Activities to introduce the concept of subtraction as the inverse of addition.
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TeachingTools.com

Subtraction (Math 1) 
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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Base Blocks

Subtraction (Math 1) 
Java Applet 
Tool 

[10]

Illustrate addition and subtraction in a variety of bases.
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Number Line Arithmetic

Subtraction (Math 1) 
Java Applet 
Tool 

[1]

Illustrates arithmetic operations using a number line.
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Number Line Bars

Subtraction (Math 1) 
Java Applet 
Tool 

[1]

Use bars to show addition and subtraction on a numberline.
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Touch decimals Place value ±

Subtraction (Math 1) 
Android 
Tool 

[1]

This touch decimal app has a double interactive place value chart, with up to 40 decimal columns. It is a mathematical analogy with positive and negative tokens. It is designed to:

Grouping and Grazing

Subtraction (Math 1) 
Computer 
Tool 

[1]

Help the alien spaceship move cows into corrals by counting, adding, and subtracting. This activity helps children learn grouping, tally marks, and place value. As they master counting, they can move ...
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Diffy

Subtraction (Math 1) 
Java Applet 
Tool 

[1]

Solve an interesting puzzle involving the differences of given numbers.
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Arithmetic Quiz

Subtraction (Math 1) 
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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Balancing

Subtraction (Math 1) 
Computer 
Lesson Plan 

[0]

This lesson encourages students to explore another model of subtraction, the balance. This model leads naturally to recording with equations. Students use actual and virtual pan balances in their expl...
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Math Cruncher

Subtraction (Math 1) 
Android 
Tool 

[0]

Features of Math Cruncher include,
* solving simple equations before they hit the ground
* solving the bonus equations to help yourself survive in the game and reach the highest score.
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Whole Calculator

Subtraction (Math 1) 
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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How Many Under the Shell?

Subtraction (Math 1) 
Computer 
Tool 

[0]

After Okta hides some bubbles under a shell, he then either adds more bubbles or takes some away. Students determine how many bubbles are left under the shell.
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Count Us In: Game 8

Subtraction (Math 1) 
Flash 
Tool 

[0]

Count the number of pins that will still be standing. Type in that number. Click on the bowling ball or hit enter. If the number is correct the ball will bowl. Keep going until you have reached zero. ...
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XP Math: Whole Numbers Subtrac...

Subtraction (Math 1) 
Flash 
Tool 

[0]

In this game, students race the clock to subtract numbers from 0 to 9.
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Subtraction Table

Subtraction (Math 1) 
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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The Abacus in Various Number S...

Subtraction (Math 1) 
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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Suan Pan in Various Number Sys...

Subtraction (Math 1) 
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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Soroban in Various Number Syst...

Subtraction (Math 1) 
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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Math Owl

Subtraction (Math 1) 
Java Applet 
Tool 

[0]

Animated chalkboard lessons in adding, subtracting, multiplying, or dividing, from single digit addition to regrouping to multidigit multiplication and division. Follow the prompts that break down e...
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Subtraction Worksheets

Subtraction (Math 1) 
JavaScript 
Tool 

[0]

A script which allows control over generating positive whole number subtraction problems of various lengths.
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MathFlash  Speech Recognition...

Subtraction (Math 1) 
JavaScript 
Tool 

[0]

This JavaScriptbased game uses the HTML5 Web Speech API to quiz students on addition, subtraction, multiplication and division facts. Students progress through levels and create a Jackson Pollock ...
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MathTappers: Find Sums

Subtraction (Math 1) 
iPad 
Tool 

[0]

Find Sums is a simple game designed to help learners to make sense of addition (and subtraction as a related operation), and then to support them in developing accuracy and improving their speed. Comp...
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Number Pyramid

Subtraction (Math 1) 
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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