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Course 2, Lesson 59, Adding Integers on a Number Line

Course 2, Lesson 59, Adding Integers on a Number Line

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Author: Hector Soto
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1. Describe situations in which opposite quantities combine to make 0. 2. Understand p + q as the number located a distance |q| from p, in the positive or negative direction depending on whether q is positive or negative. Show that a number and its opposite have a sum of 0 (are additive inverses). Interpret sums of rational numbers by describing real-world contexts. 3. Understand subtraction of rational numbers as adding the additive inverse, p - q = p + (-q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world contexts. 4. Apply properties of operations as strategies to add and subtract rational numbers.

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Tutorial

Adding Integers on a Number Line

Source: Deanna Ray