Rational Numbers

Decimals and Fractions on a Number Line

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We're mixing it up by placing both fractions and decimals on the same number line. Great practice, because you need to move easily between the two.

WorkKeys Applied Mathematics | Level 6

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Level 6 of the WorkKeys Applied Mathematics assessment requires learners to solve complicated problems. These videos and worksheets are designed to help learners apply mathematical reasoning, critical thinking, and problem-solving techniques to work-related problems.

These resources are part of KET’s Applied Mathematics: Resources for WorkKeys® and GED® Preparation collection.

Why a Negative Times a Negative is a Positive

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Use the distributive property to understand the products of negative numbers.

Multiplying Positive and Negative Numbers

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Learn some rules of thumb for multiplying positive and negative numbers.

Multiplying and Dividing Negative Numbers: Multiplying Numbers with Different Signs

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Learn how to find the product of numbers with different signs.

Food Miles: Absolute Values to the Rescue

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Explore the concept of absolute value in terms of distances traveled. This video focuses on a real world application of absolute value and visualizes the problem by graphing points on coordinate plane.

This video was submitted through the Innovation Math Challenge, a contest open to professional and nonprofessional producers and is part of the Math at the Core: Middle School collection.

I <3 Math: Integers

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Exploring positive and negative integers and how we use them in the real world. This I <3 Math episode explains the difference between positive and negative numbers and how these numbers can be represented on a number line.

Simplifying the Sum of Two Algebraic Expressions

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Simplify expressions with rational numbers using the distributive property of multiplication. This student-generated video focuses on using the distributive property to create equivalent expressions when multiplying by negative numbers and fractions, which can then be simplified.

This resource is part of the Math at the Core: Middle School collection.

Decimals on a Number Line: Positive and Negative Decimals

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Interpret a number line in order to locate where our positive and negative decimals should be placed.

Dividing Positive and Negative Numbers | PBS Math Club

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In this episode of Math Club, the news team delivers a story about negative numbers have begun dividing our country. For more on this breaking story, they search for a solution for this divisive crisis.

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