3.OA.B.6

Understand division as an unknown-factor problem. For example, find 32 ÷ 8 by finding the number that makes 32 when multiplied by 8.

 
18 Lesson(s)
   

Exploring the Idea of Division

3rd Grade Math » Unit: Introduction to Basic Division
3rd Grade Math » Unit: Introduction to Basic Division
Jennifer Valentine
Tucson, AZ
Environment: Urban
 
Big Idea:

The cognitive dissonance experienced when encountering novel, out of level division problems will lead to more deeply internalized understanding of the basic concepts of division to be mastered at the 3rd grade level.

 
Favorites (14)
 
Resources (12)
 
Reflections (1)
banana lesson image
   

Using Journaling to Create Lessons

3rd Grade Math » Unit: Understanding Division
3rd Grade Math » Unit: Understanding Division
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

The students have been working on creating equal groups in order to make sense of multiplication. Now they will use that knowledge to work "backwards" and solve division equations.

 
Favorites (6)
 
Resources (15)
 
Reflections (1)
   

Designs with Nines: Patterns in Multiplication and Division (Day 2)

3rd Grade Math » Unit: Introduction to Basic Division
3rd Grade Math » Unit: Introduction to Basic Division
Jennifer Valentine
Tucson, AZ
Environment: Urban
 
Big Idea:

Repetition helps students build fluency with multiplication and division. The activities that contain the opportunities to practice their facts can be meaningful, creative, and open-ended.

 
Favorites (5)
 
Resources (9)
 
Reflections (1)
designsnines 5767
   

Math with Maples

3rd Grade Math » Unit: Division in Context
3rd Grade Math » Unit: Division in Context
Jennifer Valentine
Tucson, AZ
Environment: Urban
 
Big Idea:

Patterns in division and multiplication can be found in nature, and an understanding of these patterns enables scientists to conduct systematic research.

 
Favorites (12)
 
Resources (16)
lobes leaves lesson image
   

Drawing Equal Group Models

3rd Grade Math » Unit: Introduction to Basic Division
3rd Grade Math » Unit: Introduction to Basic Division
Jennifer Valentine
Tucson, AZ
Environment: Urban
 
Big Idea:

The equal groups model used in multiplication can be used to solve division problems as well!

Standards:
 
Favorites (5)
 
Resources (16)
 
Reflections (1)
owl lesson image
   

Quotients - Just the Basics

3rd Grade Math » Unit: Introduction to Basic Division
3rd Grade Math » Unit: Introduction to Basic Division
Jennifer Valentine
Tucson, AZ
Environment: Urban
 
Big Idea:

Just like multiplication, addition, and subtraction, division problems involve patterns and there are methodical ways in which manipulatives can be used to solve division problems with small dividends and divisors of 1 through 10.

 
Favorites (14)
 
Resources (18)
 
Reflections (1)
boy writing
   

The Multiplication and Division Connection

3rd Grade Math » Unit: Sharing Equally with Division
3rd Grade Math » Unit: Sharing Equally with Division
Sarah Maffei
Environment: Urban
 
Big Idea:

Students can solve multiplication and division problems quickly by recognizing the relationship between the two operations.

 
Favorites (18)
 
Resources (11)
 
Reflections (1)
student presentation
   

Using the Multiplication and Division Relationship to Solve

3rd Grade Math » Unit: Sharing Equally with Division
3rd Grade Math » Unit: Sharing Equally with Division
Sarah Maffei
Environment: Urban
 
Big Idea:

Students can solve multiplication and division problems quickly by recognizing the relationship between the two operations.

 
Favorites (4)
 
Resources (13)
 
Reflections (1)
ts 3 8 wi 5
   

Grouping or Sharing?

3rd Grade Math » Unit: Understanding Division
3rd Grade Math » Unit: Understanding Division
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

Division is a complex task for children of this age. Realizing what information a word problem supplies and what needs to be found is fundamental and challenging. This lesson begins that challenge.

 
Favorites (7)
 
Resources (12)
 
Reflections (1)
group sharing
   

Division by Sharing Vs. Grouping (Day 2)

3rd Grade Math » Unit: Understanding Division
3rd Grade Math » Unit: Understanding Division
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

Children need to understand that there are two different contexts for division. This 3 day lesson path will engage them in activities that act out the different types.

 
Favorites (5)
 
Resources (8)
 
Reflections (1)
oreos in a package
   

The Multiplication - Division Relationship

3rd Grade Math » Unit: Understanding Division
3rd Grade Math » Unit: Understanding Division
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

Critical Area 1 for third grade states that students must use a variety of solution strategies in order to learn the relationship between multiplication and division. This lesson takes the students through several strategies.

 
Favorites (2)
 
Resources (15)
 
Reflections (1)
rubic s cube
   

Division Game With Dice

3rd Grade Math » Unit: Division
3rd Grade Math » Unit: Division
Diane Siekmann
Phoenix, AZ
Environment: Urban
 
Big Idea:

Practicing division skills through a game format engages students.

 
Favorites (3)
 
Resources (9)
 
Reflections (1)
dice
   

Navigating Road Blocks in Problem Solving

3rd Grade Math » Unit: Multiply or Divide with Word Problems
3rd Grade Math » Unit: Multiply or Divide with Word Problems
Sarah Maffei
Environment: Urban
 
Big Idea:

Students can solve real world problems using their understanding of multiplication and division and recognizing their relationship.

 
Favorites (1)
 
Resources (12)
 
Reflections (1)
road block
   

Testing Trail Mix

3rd Grade Math » Unit: Math and Me: Nutrition, Health and More
3rd Grade Math » Unit: Math and Me: Nutrition, Health and More
Jennifer Valentine
Tucson, AZ
Environment: Urban
 
Big Idea:

Create a snack for testing week while practicing division and multiplication.

 
Favorites (4)
 
Resources (14)
 
Reflections (1)
trail mix lesson image irene monique
   

Building Our Problem Solving Tools

3rd Grade Math » Unit: Multiply or Divide with Word Problems
3rd Grade Math » Unit: Multiply or Divide with Word Problems
Sarah Maffei
Environment: Urban
 
Big Idea:

Students can solve real world problems using their understanding of multiplication and division and the relationship they share.

 
Favorites (2)
 
Resources (12)
 
Reflections (1)
kids books
Common Core Math
 
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