3.NF.A.1

Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.

 
48 Lesson(s)
   

What Is the Whole

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

The Common Core defines understanding of fractions as a 3rd grade Critical Area, beginning with unit fractions. It's time to grow our understanding.

 
Favorites (22)
 
Resources (8)
 
Reflections (1)
different sized fractions
   

Find the Fraction of This Set "Smartie"

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

Students are accustomed to partitioning single objects. This lesson requires students to look at sets of objects as a whole and create equal groups.

 
Favorites (24)
 
Resources (9)
 
Reflections (1)
smarties
   

And the Oscar Goes To….

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

Creating and viewing movies made by student groups will enhance working through real world faction story problems.

 
Favorites (14)
 
Resources (15)
 
Reflections (1)
oscar award
   

Size Matters: A Journal Activity

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

Understanding that a whole can be defined using different fractions is a complex task for students, unless they have great tools, like pattern blocks.

 
Favorites (6)
 
Resources (8)
 
Reflections (1)
pattern blocks 2
   

Add 'Em Up

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

Naming unit fractions is a start, but helping students visualize how they can be grouped together to make a larger part of a whole is the focus of today's lesson.

 
Favorites (4)
 
Resources (13)
 
Reflections (1)
fraction circle game
   

Fraction Assessment

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

This is a summative assessment based on my fraction unit. This assessment will determine if I need to reteach any concepts, and guide and inform future fraction standards and concepts.

 
Favorites (10)
 
Resources (12)
 
Reflections (1)
student completing
   

Units & Wholes (Days 1 - 3)

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

It is important for students to learn to compare the size of the same fraction units as the size of the whole amount changes.

Standards:
 
Favorites (7)
 
Resources (8)
 
Reflections (1)
half
   

Fractions of a Set

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

Children see fractions as partitions of one whole object first. This lesson will begin them on the "tasty" path of finding fractions in a whole set.

 
Favorites (5)
 
Resources (10)
 
Reflections (2)
a butterfly collection
   

What is a Fraction?

3rd Grade Math » Unit: Crazy About Fractions
3rd Grade Math » Unit: Crazy About Fractions
Sarah Maffei
Environment: Urban
 
Big Idea:

Fractions represent parts of a whole and parts of a set.

Standards:
 
Favorites (22)
 
Resources (18)
 
Reflections (1)
fractionkit
   

Name that Fraction

4th Grade Math » Unit: Fractions
4th Grade Math » Unit: Fractions
Rose Monroe
Memphis, TN
Environment: Urban
 
Big Idea:

Fractions are part of a whole, and they can be represented in regions and sets.

 
Favorites (9)
 
Resources (13)
 
Reflections (1)
students in
   

Fractions on a Number Line - Beyond One Whole

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

When the numerator has a greater value than the denominator, the fraction represents a number with a value greater than one whole.

 
Favorites (11)
 
Resources (14)
 
Reflections (1)
fractions beyond one whole updated lesson image
   

Introduction to Fractions: A Concrete Experience

3rd Grade Math » Unit: Introduction To Fractions
3rd Grade Math » Unit: Introduction To Fractions
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

Providing students ample opportunities to work with fractional parts and reason about equally partitioned shapes will help them develop a deep understanding of part-whole relationships.

 
Favorites (28)
 
Resources (26)
 
Reflections (4)
fraction fish
   

All Fractions Are Not Created Equal

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

If you were really hungry, would you want 1/4 of a large pizza, or a quarter of a small pizza? This is the type of question students will be able to answer after this experience.

 
Favorites (9)
 
Resources (8)
 
Reflections (1)
fraction pizza thirds
   
3rd Grade Math » Unit: Fractions
Jennifer Valentine
Tucson, AZ
Environment: Urban
 
Big Idea:

Students create number lines to represent benchmark fractions.

 
Favorites (7)
 
Resources (12)
 
Reflections (1)
brandon mp3 april
   

Creating Fraction Strips

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

When students create their own fraction strips they develop an understanding of unit fractions and relationships between different fractions.

 
Favorites (2)
 
Resources (8)
 
Reflections (1)
fraction
Common Core Math
 
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