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Add and subtract positive and negative numbers

# Add and subtract positive and negative numbers

Unit 1: FLUENCIES AND THE LANGUAGE OF ALGEBRA

Lesson 2 of 9

Lesson 2 of 9

## Objective: SWBAT add and subtract positive and negative numbers.

## Big Idea: Good guys and bad guys? Use Spiderman and Venom (and Street Fighter 2) to illustrate the idea of adding and subtracting positive and negative numbers.

Subject(s):

Math, Classroom Culture and Climate, Integers, Algebra, Numbers and Operations, practice and fluency, plotting, properties of algebra

*75 minutes*

1

#### Warm-up

*10 min*

Each day, students complete a warm-up that usually consists of spiraling the previous day's material, in addition to older material. Warm-up problems also sometimes extend lessons that students have encountered before to more unfamiliar contexts.

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4

#### Homework

*15 min*

The homework includes questions related to this lesson, as well as spiraled review. I also provide answers to the problems on page 2.

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##### Similar Lessons

###### Adding and Subtracting Integers on a Number Line

6th Grade Math » Integers and Rational Numbers

Big Idea:
What happens when you add positive 5 and negative 3? What happens when you subtract positive 2 from negative 3? Students work with a number line and football to model adding and subtracting integers.

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*Resources(39)*

Somerville, MA

Environment: Urban

Environment: Urban

New Orleans, LA

Environment: Urban

Environment: Urban

Elon, NC

Environment: Suburban

Environment: Suburban

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- UNIT 1: FLUENCIES AND THE LANGUAGE OF ALGEBRA
- UNIT 2: SOLVING LINEAR EQUATIONS
- UNIT 3: INTRODUCTION TO FUNCTIONS
- UNIT 4: INTERPRETING AND COMPARING LINEAR FUNCTIONS
- UNIT 5: SYSTEMS OF LINEAR EQUATIONS
- UNIT 6: EXPONENTS AND SCIENTIFIC NOTATION
- UNIT 7: PARALLEL LINES, TRANSVERSALS, AND TRIANGLES
- UNIT 8: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS
- UNIT 9: PATTERNS OF ASSOCIATION IN BIVARIATE DATA
- UNIT 10: SLOPE REVISITED
- UNIT 11: VOLUME OF CYLINDERS, CONES, AND SPHERES
- UNIT 12: POLYNOMIALS AND FACTORING
- UNIT 13: QUADRATIC FUNCTIONS

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- LESSON 1: Day One
- LESSON 2: Add and subtract positive and negative numbers
- LESSON 3: Multiply and divide positive and negative numbers
- LESSON 4: Develop fluency with positive and negative numbers
- LESSON 5: Add, subtract, and multiply decimals
- LESSON 6: Divide decimals
- LESSON 7: Evaluate expressions using substitution (Day 1 of 2)
- LESSON 8: Evaluate expressions using substitution (Day 2 of 2)
- LESSON 9: ASSESSMENT #1

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