## Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.

50 Lesson(s)
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### Modeling Addition - Opposites Attract, You Know?!

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

Big Idea:

Standards:

Favorites (41)

Resources (16)

Reflections (1)

### Those Negative Numbers

8th Grade Math » Unit: Number Sense
8th Grade Math » Unit: Number Sense
Orlando, FL
Environment: Urban

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Favorites (45)

Resources (17)

Reflections (2)

### Add and subtract positive and negative numbers

8th Grade Math » Unit: FLUENCIES AND THE LANGUAGE OF ALGEBRA
8th Grade Math » Unit: FLUENCIES AND THE LANGUAGE OF ALGEBRA
New York, NY
Environment: Urban

Big Idea:

Standards:

Favorites (31)

Resources (16)

Reflections (1)

### Integers Assessment

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

Big Idea:

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Favorites (27)

Resources (9)

### Adding and Subtracting Integers with Counters

6th Grade Math » Unit: Integers and Rational Numbers
6th Grade Math » Unit: Integers and Rational Numbers
Somerville, MA
Environment: Urban

Big Idea:

#### What are opposites and what happens when you add them together? How can you use counters to model 7-9? What about 3 – (-3)? Students work with counters to model adding and subtracting integers.

Standards:

Favorites (33)

Resources (26)

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

Big Idea:

#### This test assesses a students understanding of integer addition and subtraction through fluency, concepts, and problem solving.

Standards:

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Resources (11)

Reflections (1)

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

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Standards:

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Resources (12)

### Adding and Subtracting Integers - Real World Applications

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

Big Idea:

#### You can add. You can subtract. BUT can you identify which to do and carry out the right rules? This lesson give you practice with just that.

Standards:

Favorites (37)

Resources (16)

Reflections (1)

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

Big Idea:

Standards:

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Resources (12)

### Adding and Subtracting Integers on a Number Line

6th Grade Math » Unit: Integers and Rational Numbers
6th Grade Math » Unit: Integers and Rational Numbers
Somerville, MA
Environment: Urban

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.

Standards:

Favorites (32)

Resources (39)

Reflections (6)

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

Big Idea:

#### Can you picture integer addition? Students will use drawings, number lines, and chips to visualize integer addition word problems.

Standards:

Favorites (19)

Resources (17)

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

Big Idea:

#### Do sums of positive and negative decimals behave the same way as integers? Students explore this question with tenths on a number line.

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Favorites (5)

Resources (12)

7th Grade Math » Unit: Integers
Columbus, OH
Environment: Urban

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Favorites (19)

Resources (24)

Reflections (1)

### Addition and Subtraction of Integers - DOMINOES!

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

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Standards:

Favorites (17)

Resources (13)

Reflections (1)

### Adding and Subtracting Integers Test

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

Big Idea:

Standards:

Favorites (14)

Resources (16)

Reflections (1)

Common Core Math