3.OA.A.3

Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

 
53 Lesson(s)
   

Monster Math

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

Close reading skills are needed in math, too!

 
Favorites (68)
 
Resources (28)
 
Reflections (1)
monster math lesson image
   

Each Orange Had 8 Slices

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

Using colorful, rich literature as a real world context, students create and solve number stories involving multiplication using a variety of strategies

 
Favorites (18)
 
Resources (30)
 
Reflections (1)
orange and slices photo by john ecker
   

Counting Clams - A Tidal Flat Adventure

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

Mathematics has an important role in the real world outside of school. Scientists use multiplication to estimate animal populations.

 
Favorites (15)
 
Resources (16)
 
Reflections (1)
goca counting clams
   
3rd Grade Math » Unit: Multiplication
Jennifer Valentine
Tucson, AZ
Environment: Urban
 
Big Idea:

Open number lines are another tool that can be used to make models to solve multiplication story word problems.

 
Favorites (16)
 
Resources (15)
 
Reflections (1)
allensswampmonkey
   

Collections of Equal Groups

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

Students begin to understand and use strategies to find the factors of a given collection of items. They will act out division in order to express the multiplication concept.

 
Favorites (10)
 
Resources (11)
 
Reflections (1)
collection of candy
   

Where Do These Nails Go?

3rd Grade Math » Unit: Going Batty Over Measurement and Geometry
3rd Grade Math » Unit: Going Batty Over Measurement and Geometry
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

Students deserve and need opportunities to work with their knowledge inside of a real life situation that means something to them. This unit, and this lesson, requires students to apply many of this school year's skills.

 
Favorites (2)
 
Resources (22)
 
Reflections (4)
bat house with nails
   

The Tree of Peace: A Division Lesson

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

Division can be used to determine the approximate age of trees. Knowing the age of trees is one factor in determining their intrinsic and human value.

 
Favorites (8)
 
Resources (17)
 
Reflections (1)
december 27 2013 018
   

Nailed It!

3rd Grade Math » Unit: Going Batty Over Measurement and Geometry
3rd Grade Math » Unit: Going Batty Over Measurement and Geometry
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

Students deserve and need opportunities to use their knowledge applied to a real life situation that means something to them. This unit, and this lesson, requires students to apply many of this school year's skills.

 
Favorites (2)
 
Resources (15)
 
Reflections (1)
nail placement
   

Moving Along with Talking Moves

3rd Grade Math » Unit: Developing Mathematical Practices
3rd Grade Math » Unit: Developing Mathematical Practices
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

Students always want to share! This lesson allows us to create a routine where everyone is safe in sharing their thinking and comfortable responding to another's presentation of understanding.

 
Favorites (18)
 
Resources (13)
 
Reflections (1)
talking
   

Variables

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

Children will learn the term variable and then work to "attack" a problem using what they know about the relationship between multiplication and division to solve for an unknown.

 
Favorites (9)
 
Resources (12)
 
Reflections (1)
variables
   

Partition & Measurement Models

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

Understanding the structure of a division sentence results in different type of models. Students practice using groups and number lines to solve divisions.

 
Favorites (4)
 
Resources (10)
 
Reflections (1)
apples
   

Soaring Skyscrapers: a Division Lesson

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

Repeated addition can be used to solve a division problem.

 
Favorites (4)
 
Resources (16)
 
Reflections (1)
img 2538
   

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
   

What is Division

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

The students will listen to the story, "The Doorbell Rang" by Pat Hutchins. While interacting with this wonderful story, students will begin to realize when to solve for an unknown factor using division.

Standards:
 
Favorites (20)
 
Resources (9)
 
Reflections (1)
doorbell rang
   

Multiply and Divide by 10

3rd Grade Math » Unit: Fluency to Automoticity
3rd Grade Math » Unit: Fluency to Automoticity
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

Counting by 10's is easy for students of this age. Knowing that base 10 can be used to help multiply and divide in the higher numbers by decomposing is critical. This lesson sets the base for future work.

 
Favorites (2)
 
Resources (12)
 
Reflections (1)
pile of dimes
Common Core Math
 
Something went wrong. See details for more info
Nothing to upload
details
close