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.

5 Lesson(s)

Where Do We Go From Here? Adding Integers on the Number Line

7th Grade Math » Unit: Rational Number Operations
7th Grade Math » Unit: Rational Number Operations
New Orleans, LA
Environment: Urban

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Reflections (1)

What is the Sign of the Sum?

7th Grade Math » Unit: Rational Number Operations
7th Grade Math » Unit: Rational Number Operations
New Orleans, LA
Environment: Urban

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Students model sums with counters to create a visual model of when a sum will be positive, negative or zero.

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Reflections (1)

7th Grade Math » Unit: Operations with Rational Numbers
7th Grade Math » Unit: Operations with Rational Numbers
Elon, NC
Environment: Suburban

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Error Analysis: Unit 1 Test

7th Grade Math » Unit: Integers
7th Grade Math » Unit: Integers
Environment: Urban

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Make Zero Rummy

8th Grade Math » Unit: Solving Linear Equations in One Variable
8th Grade Math » Unit: Solving Linear Equations in One Variable
Bowling Green, KY
Environment: Suburban

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Common Core Math