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Holt Mathematics Course 2 Chapter 2 Lesson 4

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You do not need log on info to watch the lesson.

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Multiply two positive or two negative integers on a number line | LearnZillion

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Multiply Signed Number

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SAT Math 4.1 Numbers and Operations Video - Shmoop

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

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Multiplying numbers with different signs

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Find the product of numbers with different signs.

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Why a negative times a negative makes sense

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Use the repeated addition model of multiplication to give an understanding of multiplying negative numbers.

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How Do You Multiply and Divide Numbers with Different Signs? | Virtual Nerd

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Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting tutorials, synchronized with videos, each 3 to 7 minutes long. In this non-linear system, users are free to take whatever path through the material best serves their needs. These unique features make Virtual Nerd a viable alternative to private tutoring.