# The Number System

CLUSTERS
• Apply And Extend Previous Understandings Of Operations With Fractions To Add, Subtract, Multiply, And Divide Rational Numbers.
• 7.NS.1
Apply and extend previous understand...
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• 7.NS.1.a
Describe situations in which opposit...
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• 7.NS.1.b
Understand p + q as the number locat...
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• 7.NS.1.c
Understand subtraction of rational n...
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• 7.NS.1.d
Apply properties of operations as st...
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• 7.NS.2
Apply and extend previous understand...
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• 7.NS.2.a
Understand that multiplication is ex...
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• 7.NS.2.b
Understand that integers can be divi...
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• 7.NS.2.c
Apply properties of operations as st...
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• 7.NS.2.d
Convert a rational number to a decim...
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• 7.NS.3
Solve real-world and mathematical pr...
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• K-2
• 3-5
• 6-8
• 9-12
• math_attach
Sorry, no games for this grade level.

### Long Division of Numbers - Arithmetic Basics

Watch this video for a step-by-step demonstration of how to express a fraction as a decimal by doing long division

### The Diffy Game (NLVM)

Solve an interesting puzzle involving the differences of given numbers for integers, fractions, decimals, and money.

### Long Division of Numbers - Arithmetic Basics

Watch this video for a step-by-step demonstration of how to express a fraction as a decimal by doing long division

### Click and Add Chips (NLVM)

Use colored chips to illustrate the addition of integers.

### Line Jumper (FunBrain)

Use the number line to add and subtract integers.

### The Diffy Game (NLVM)

Solve an interesting puzzle involving the differences of given numbers for integers, fractions, decimals, and money.

### Casey Runner

Watch Casey running on a number line as you add and subtract integers.

### Rags to Riches Integers (Quia)

Want to win \$1,000,000 in this game? Perform operations with integers to earn your money!

### Multiplication of Integers (Xp)

Multiply integers with like and unlike signs in this timed game.

### Zero Pair Integers

Watch and listen to an expert explain how to add integers of unlike signs.

### Multiplication of Integers

Watch and learn how to multiply integers conceptually.

### Number Line Bounce: A Virtual Manipulative (NLVM)

Make the ball bounce on a number line as you add and subtract integers.

### Order of Operations I (Khan)

Watch this video to apply order of operations with integers of unlike signs.

### Adding and Subtracting Negative Numbers (Khan)

Watch this video, and be on your way to adding and subtracting negative numbers!

### Addition of Integers with Like Signs

Watch this video to learn how to add integers of like signs in a conceptual way.

### Subtracting Integers Using Chips

Watch this video to learn how to subtract integers of unlike signs.

### The Distributive Property

This video shows how to use the distributive property to simplify an expression.

### Simplify! Distributive Property & Combine Like Terms Algebra Rap

Watch this short musical video featuring graphics for algebraic methods, the distributive property and combining like terms.

### Distributive Property Practice

Watch this three-minute review on how to apply the distributive property of multiplication.

### How to Write a Decimal as a Percent

Write decimals as percents, and calculate percentages from fractions and decimals using tips in this video.

### Converting Between Fractions, Decimals, and Percents

Review how to convert among fractions, decimals, and percents in this short video tutorial.

### How to Determine Beats-Per-Minute in a Song

Get math tips from a professional disc jockey, and learn how to determine beats-per-minute - or bpm - for a song!

### Absolute Value and Evaluating Numbers

Review math tricks for evaluating numbers and absolute value.

### Absolute Value

Watch how to simplify an expression inside an absolute value.

### Fracciones y decimales

Reconoce y genera fracciones equivalentes simples utilizando un modelo visual de fracciones.

### Equation Game Online (Math-Play)

Find pairs of equivalent equations or equations and solutions.

Capture the flies by practicing adding and subtracting integers.

### Pinata Fever (Manga High)

Add and subtract positive and negative numbers to keep the party going!

### Math Fighter: Integer Operations (Xp)

Power your spaceship by multiplying positive and negative integers

Have your puppy win the race by matching decimals to equivalent fractions.

### Long Division of Numbers - Arithmetic Basics

Watch this video for a step-by-step demonstration of how to express a fraction as a decimal by doing long division

### Click and Add Chips (NLVM)

Use colored chips to illustrate the addition of integers.

### Line Jumper (FunBrain)

Use the number line to add and subtract integers.

### The Diffy Game (NLVM)

Solve an interesting puzzle involving the differences of given numbers for integers, fractions, decimals, and money.

### Casey Runner

Watch Casey running on a number line as you add and subtract integers.

### Rags to Riches Integers (Quia)

Want to win \$1,000,000 in this game? Perform operations with integers to earn your money!

### Multiplication of Integers (Xp)

Multiply integers with like and unlike signs in this timed game.

### Zero Pair Integers

Watch and listen to an expert explain how to add integers of unlike signs.

### Multiplication of Integers

Watch and learn how to multiply integers conceptually.

### Number Line Bounce: A Virtual Manipulative (NLVM)

Make the ball bounce on a number line as you add and subtract integers.

### Order of Operations I (Khan)

Watch this video to apply order of operations with integers of unlike signs.

### Adding and Subtracting Negative Numbers (Khan)

Watch this video, and be on your way to adding and subtracting negative numbers!

### Addition of Integers with Like Signs

Watch this video to learn how to add integers of like signs in a conceptual way.

### Subtracting Integers Using Chips

Watch this video to learn how to subtract integers of unlike signs.

### The Distributive Property

This video shows how to use the distributive property to simplify an expression.

### Simplify! Distributive Property & Combine Like Terms Algebra Rap

Watch this short musical video featuring graphics for algebraic methods, the distributive property and combining like terms.

### Distributive Property Practice

Watch this three-minute review on how to apply the distributive property of multiplication.

### How to Write a Decimal as a Percent

Write decimals as percents, and calculate percentages from fractions and decimals using tips in this video.

### Converting Between Fractions, Decimals, and Percents

Review how to convert among fractions, decimals, and percents in this short video tutorial.

### How to Determine Beats-Per-Minute in a Song

Get math tips from a professional disc jockey, and learn how to determine beats-per-minute - or bpm - for a song!

### Absolute Value and Evaluating Numbers

Review math tricks for evaluating numbers and absolute value.

### Absolute Value

Watch how to simplify an expression inside an absolute value.

### Fracciones y decimales

Reconoce y genera fracciones equivalentes simples utilizando un modelo visual de fracciones.

### Equation Game Online (Math-Play)

Find pairs of equivalent equations or equations and solutions.

Capture the flies by practicing adding and subtracting integers.

### Pinata Fever (Manga High)

Add and subtract positive and negative numbers to keep the party going!

### Multiply and Divide Rational Numbers (IXL)

Practice multiplying and dividing positive and negative rational numbers.

Power your spaceship by multiplying positive and negative integers

Have your puppy win the race by matching decimals to equivalent fractions.

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