7.NS.A.1c

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.

 
37 Lesson(s)
   

Subtracting Integers - How does subtraction relate to addition?

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

Subtraction does not have to be any harder than addition – students will turn all subtraction problems into addition problems and use the rules they have already mastered!

 
Favorites (33)
 
Resources (16)
 
Reflections (1)
subtracting integers
   

Finding the Distance Between Signed Fractions on a Number Line

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

The distance between points on a number line is the absolute value of their difference. Number lines serve as a tool to aid this exploration.

 
Favorites (6)
 
Resources (11)
fractionaldistances
   

Algorithms for Subtracting Integers

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

Students use the additive inverse to subtract integers and then develop some of their own algorithms.

 
Favorites (16)
 
Resources (14)
 
Reflections (1)
kid at chalkboard
   

How Addition and Subtraction are Related (Part 2 of 3)

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

Students will use counters to prove that a difference can be written as a sum.

 
Favorites (4)
 
Resources (14)
 
Reflections (1)
download 7
   

How Addition and Subtraction are Related (Part 3 of 3)

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

Students use a number line to explore the relationship between addition and subtraction.

 
Favorites (3)
 
Resources (14)
 
Reflections (1)
download 7
   

Finding the Distance Between Integers On a Number Line

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

Number line models allow students to easily find distances between points and relate the distance as the absolute value of their difference.

 
Favorites (21)
 
Resources (14)
 
Reflections (1)
geometry 22 number line distance 10
   

Adding Integers by Walking it Out

7th Grade Math » Unit: Integers
7th Grade Math » Unit: Integers
Malissa Thomas-St.Clair
Columbus, OH
Environment: Urban
 
Big Idea:

Develop students' number sense by physically modeling the process of adding and subtracting integers on a number line..

 
Favorites (16)
 
Resources (24)
 
Reflections (1)
adding integer walking out strategy
   

Subtracting Integers Using Zero Pairs

7th Grade Math » Unit: Integers
7th Grade Math » Unit: Integers
Malissa Thomas-St.Clair
Columbus, OH
Environment: Urban
 
Big Idea:

Zero pairs! These are a fun and rigorous way to help kids understand integers.

Standards:
 
Favorites (2)
 
Resources (15)
 
Reflections (1)
zero pairs
   

Adding and Subtracting Integers Test

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

See the fruits of your labor as students demonstrate what they know on an Adding and Subtracting Integers Test.

 
Favorites (13)
 
Resources (16)
 
Reflections (1)
img 0285
   

Subtracting Integers Practice - Can you subtract more than two integers?

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

Subtraction isn’t so bad with just two numbers, but what if you have 3, or 4? In this lesson students will work on their subtraction skills with multiple integers.

 
Favorites (12)
 
Resources (15)
 
Reflections (1)
untitled
   

Absolute Value, Taking a Deeper Look!

7th Grade Math » Unit: Integers
7th Grade Math » Unit: Integers
Malissa Thomas-St.Clair
Columbus, OH
Environment: Urban
 
Big Idea:

"The distance a number is away from zero on a number line." What does this really mean? Taking a deeper look into absolute value.

 
Favorites (13)
 
Resources (15)
 
Reflections (1)
absolute value pic
   

Error Analysis: Unit 1 Test

7th Grade Math » Unit: Integers
7th Grade Math » Unit: Integers
Yazmin Chavira MTP
Environment: Urban
 
Big Idea:

Students will receive a detailed score report and will learn the standards they should practice during this lesson.

 
Favorites (5)
 
Resources (14)
day 23 error analysis
   

Number Operations

7th Grade Math » Unit: Test Prep
7th Grade Math » Unit: Test Prep
Yazmin Chavira MTP
Environment: Urban
 
Big Idea:

Students practice multiple fluency and problem solving items and review number operations relevant to 7th grade math to kick off the test prep unit

 
Favorites (7)
 
Resources (24)
 
Reflections (2)
day 132 133 review number operations word cloud
   
7th Grade Math » Unit: Integers
Malissa Thomas-St.Clair
Columbus, OH
Environment: Urban
 
Big Idea:

Student will use colored counters to model addition of integers.

 
Favorites (4)
 
Resources (19)
 
Reflections (1)
zero pairs
   

Subtracting Integers by "Walking It Out!'

7th Grade Math » Unit: Integers
7th Grade Math » Unit: Integers
Malissa Thomas-St.Clair
Columbus, OH
Environment: Urban
 
Big Idea:

Students will use a kinesthetic approach to learning how to model subtraction of integers using a horizontal number line.

 
Favorites (7)
 
Resources (23)
 
Reflections (1)
adding integer
Common Core Math
 
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