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Topic (Course) 
Technology 
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Broken Calculator

Operations with numbers (Math 7) 
Flash 
Tool 

[2]

Eric's calculator has lost most of its keys. Can you find a way for the leftover keys to generate the target numbers?
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Countdown

Operations with numbers (Math 7) 
Flash 
Tool 

[0]

Find the target number using the numbers given and the four basic operations. Start the timer for an added challenge.
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Decanting Puzzle

Operations with numbers (Math 7) 
Flash 
Tool 

[0]

You have two unmarked jugs. One will hold 5 liters, one will hold 3. Given an unlimited supply of water, can you measure exactly 4 liters with these jugs? Try the problem here using different sizes of...
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Division Bingo

Mental math (Math 7) 
Flash 
Tool 

[4]

Bingo is a well known game that can be a lot of fun. In the traditional game, the numbers are called out by the Bingo caller. This game is similar but the numbers are 'called out' by answering the div...
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Flash Math

Operations with numbers (Math 7) 
Flash 
Tool 

[6]

In a game context students select a sequence of numbers using the "rule" stated for that game. There are three levels that a user can choose including easy, medium, or hard.
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Function Machines

Operations with numbers (Math 7) 
Flash 
Tool 

[0]

Test yourself on basic function machines with these ten questions.
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Mental Addition and Subtractio...

Mental math (Math 7) 
Flash 
Tool 

[1]

The Mental Addition and Subtraction module can be used as a starting point for: learning different methods of mental addition and subtraction. Linked resources include factsheets, games, quizzes, and ...
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Number Triangle Level 2

Mental math (Math 7) 
Flash 
Tool 

[1]

Second 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 Triangle Level 3

Mental math (Math 7) 
Flash 
Tool 

[2]

Third 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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Numbers & Letters Games

Operations with numbers (Math 7) 
Flash 
Tool 

[0]

In the numbers game, the computer will select six numbers (from a given group of four large and twenty small numbers). Students must use those numbers and the four basic operations to make the target ...
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Properties of Real Numbers

Properties of numbers (Math 7) 
Flash 
Tool 

[0]

Flash tutorial introducing the properties of real numbers: associative, distributive, commutative, closure, identity, additive inverse, multiplicative inverse. College Cram charges access fees by...
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Rounding

Rounding (Math 7) 
Flash 
Tool 

[0]

Discover how rounding is a process which produces another number that is close to the original number. Learn how to round numbers up or down to the nearest rounding number with this lesson, interactiv...
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The Crazy Counting Machine

Mental math (Math 7)+ 
Flash 
Tool 

[0]

Can you reach the target number in as few clicks as possible? Makes use of doubling and halving strategies in working towards a target number.
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XP Math: Circle Addition Equat...

Operations with numbers (Math 7) 
Flash 
Tool 

[0]

Solve a simple addition equation and click the circle containing the answer. The trick: the circles move. Four different difficulty levels refer to the speed of the circles rather than the complexity ...
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XP Math: Solving Addition Equa...

Operations with numbers (Math 7) 
Flash 
Tool 

[0]

In this game, students race the clock to solve simple addition equations.
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XP Math: Solving Division Equa...

Operations with numbers (Math 7) 
Flash 
Tool 

[0]

In this game, students race the clock to solve simple division equations.
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XP Math: Solving Multiplicatio...

Operations with numbers (Math 7) 
Flash 
Tool 

[0]

In this game, students race the clock to solve simple division equations.
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XP Math: Solving Subtraction E...

Operations with numbers (Math 7) 
Flash 
Tool 

[0]

In this game, students race the clock to solve simple subtraction equations.
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XP Math: Solving TwoStep Equa...

Mental math (Math 7)+ 
Flash 
Tool 

[1]

In this game, students race the clock to solve simple twostep equations.
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Abacus

Operations with numbers (Math 7) 
Java Applet 
Tool 

[1]

An electronic abacus that can be used to do arithmetic.
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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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Arithmetic Four

Operations with numbers (Math 7) 
Java Applet 
Tool 

[5]

This activity allows the user to practice addition, subtraction, multiplication, and division.
...
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Aritmética cuatro

Operations with numbers (Math 7) 
Java Applet 
Tool 

[0]

Un juego parecido a Fracción Cuatro, pero en vez de preguntas acerca de fracciones, el jugador tiene que responder preguntas sobre aritmética (suma, resta, multiplicación y división) para ganarse u...
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Aritmética del reloj

Operations with numbers (Math 7) 
Java Applet 
Tool 

[0]

Los estudiantes aprenden operaciones de aritmética modular trabajando con diferentes tipos de relojes. Parámetros: Número de horas en el reloj.
versión en inglés
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Caesar Cipher

Operations with numbers (Math 7) 
Java Applet 
Tool 

[0]

Students practice simple arithmetic skills by encoding and decoding messages using an affine cipher.
Spanish version also available.
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