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- 3.NF.A.1Understand 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.
- 3.NF.A.2Understand a fraction as a number on the number line; represent fractions on a number line diagram.
- 3.NF.A.3Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.

- 3.NF.A.2aRepresent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.
- 3.NF.A.2bRepresent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.

Number Line Fractions

3rd Grade Math

Â» Unit:

Fractions: More Than A Whole

Big Idea:Students need to connect fractions to their world, and use them to help be more accurate in measurements. This lesson begins to make that connection.

Jump the Line

3rd Grade Math

Â» Unit:

Fractions: More Than A Whole

Big Idea:Whole objects and sets of objects are not the only things that can be divided into fractional parts. Knowing how number lines can be partitioned is important to the application of fractions to everyday tasks.

I Want Some Candy! A Journaling Assessment

3rd Grade Math

Â» Unit:

Unit Fractions

Big Idea:Students must acquire an ability to explain their thinking using accurate vocabulary words. Journal entries are a perfect venue for this learning.

Modeling Fractions Assessment

3rd Grade Math

Â» Unit:

Fractions

Big Idea:Having students create their own models of fractions will help them to develop the concept of comparing fractions.

Pass Whole, Collect $200

3rd Grade Math

Â» Unit:

Fractions: More Than A Whole

Big Idea:What happens when there is more than one whole? How does one represent more than a whole? This lesson explores creating more than one whole by using iteration of unit fractions.

Is 1/3 Always Equal to 1/3?: A Journal Exercise

3rd Grade Math

Â» Unit:

Comparing Fractions

Big Idea:Applying knowledge already learned is an important step in becoming a fluent math student. This journaling exercise stretches children to use concepts previously introduced.

Fractions on a Number Line - Beyond One Whole

3rd Grade Math

Â» Unit:

Fractions

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

Musical Fractions- An Introduction

3rd Grade Math

Â» Unit:

Musical Fractions

Big Idea:Students use math, music and technology in this engaging lesson on fractions!

Matching Models (Number Lines and Diagrams)

3rd Grade Math

Â» Unit:

Fractions

Big Idea:Connect fractional models to strengthen student understanding.

Show What You Know: A 2 Day Assessment

3rd Grade Math

Â» Unit:

Comparing Fractions

Big Idea:After a large unit like fractions, it is important to assess the students ability to apply and communicate their knowledge. These two very different activities will help you assess and record your student's learning according to the Common Core Standards.

Basic Fractions on a Number Line (Divisible by Two)

3rd Grade Math

Â» Unit:

Fractions

Big Idea:Students create number lines to represent benchmark fractions.

Improper Fractions and Mixed Numbers

4th Grade Math

Â» Unit:

Number & Operations-Fractions

Big Idea:Given a set of mixed fractions students will be able to identify and write mixed numbers as improper fractions.

Fractions Formative #1

3rd Grade Math

Â» Unit:

Fractions

Big Idea:A formative assessments of critical area #2 to drive the differentiation of instruction, help students reflect on their progress, and enable effective communication with parents.

Simple Fraction Addition Stories

3rd Grade Math

Â» Unit:

Fractions

Big Idea:Students enjoy and learn from acting out simple fraction stories and sharing what they are doing with their classmates.

3.NF.A.2a

Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.

3.NF.A.2b

Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.