Lesson 1: Introduction to the Student Reference Book

Lesson 2: Area of a Rectangle, Part 1

Lesson 3: Quilt Area

Lesson 4: Area of a Rectangle, Part 2

Lesson 5: Introduction to Volume

Lesson 6: Exploring Nonstandard Volume Units

Lesson 7: Measuring Volume by Counting Cubes

Lesson 8: Measuring Volume by Iterating Layers

Lesson 9: Two Formulas for Volume

Lesson 10: Visualizing Volume Units

Lesson 11: Volume Explorations

Lesson 12: Playing Prism Pile-Up

Lesson 1: Understanding Place Value

Lesson 2: Exponents and Powers of 10

Lesson 3: Applying Powers of 10

Lesson 4: U.S. Traditional Multiplication, Part 1

Lesson 5: U.S. Traditional Multiplication, Part 2

Lesson 6: Application: Unit Conversions

Lesson 7: U.S. Traditional Multiplication, Part 3

Lesson 8: U.S. Traditional Multiplication, Part 4

Lesson 9: One Million Taps

Lesson 10: A Mental Division Strategy

Lesson 11: Reviewing Partial-Quotients Division

Lesson 12: Strategies for Choosing Partial Quotients

Lesson 13: Interpreting the Remainder

Lesson 1: Connecting Fractions and Division, Part 1

Lesson 2: Connecting Fractions and Division, Part 2

Lesson 3: Application: Interpreting Remainders

Lesson 4: Fractions on a Number Line

Lesson 5: Game Strategies

Lesson 6: Fraction Estimation With Number Sense

Lesson 7: Fraction Estimation with Benchmarks

Lesson 8: Renaming Fractions and Mixed Numbers

Lesson 9: Introduction to Adding and Subtracting Fractions and Mixed Numbers

Lesson 10: Exploring Addition of Fractions with Unlike Denominators

Lesson 11: Playing Fraction Capture

Lesson 12: Solving Fraction Number Stories

Lesson 13: Fraction-Of Problems, Part 1

Lesson 14: Fraction-Of Problems, Part 2

Lesson 1: Decimal Place Value

Lesson 2: Representing Decimals through Thousandths

Lesson 3: Representing Decimals in Expanded Form

Lesson 4: Comparing and Ordering Decimals

Lesson 5: Rounding Decimals

Lesson 6: Introduction to the Coordinate System

Lesson 7: Playing Hidden Treaure

Lesson 8: Solving Problems on a Coordinate Grid, Part 1

Lesson 9: Solving Problems on a Coordinate Grid, Part 2

Lesson 10: Folder Art

Lesson 11: Addition and Subtraction of Decimals with Hundredths Grids

Lesson 12: Decimal Addition Algorithms

Lesson 13: Decimal Subtraction Algorithms

Lesson 14: Addition and Subtraction of Money

Lesson 1: Using Equivalent Fractions to Find Common Denominators

Lesson 2: More Strategies for Finding Common Denominators

Lesson 3: Addition of Fractions and Mixed Numbers

Lesson 4: Subtraction of Fractions and Mixed Numbers

Lesson 5: Connecting Fraction-Of Problems to Multiplication

Lesson 6: Multiplication of Fractions and Whole Numbers

Lesson 7: Fractions of Fractions

Lesson 8: Area Models for Fraction Multiplication

Lesson 9: Understanding an Algorithm for Fraction Multiplication

Lesson 10: Sharing Breakfast

Lesson 11: Explaining the Equivalent Fractions Rule

Lesson 12: Fraction Multiplication Number Stories

Lesson 13: Fraction Division, Part 1

Lesson 14: Fraction Division, Part 2

Lesson 1: Multiplying and Dividing Decimals by Powers of 10

Lesson 2: Playing Exponent Ball

Lesson 3: Application: Converting Measurements in the Metric System

Lesson 4: Line Plots

Lesson 5: Working with Data in Line Plots

Lesson 6: Applying Volume Concepts

Lesson 7: Measuring Volume by Displacement

Lesson 8: Estimating Decimal Products and Quotients

Lesson 9: Multiplication of Decimals

Lesson 10: Fundraising

Lesson 11: Division of Decimals by Whole Numbers

Lesson 12: Division of Decimals by Decimals

Lesson 13: Application: Estimating Your Reaction Time

Lesson 14:

Lesson 1: Multiplication of Mixed Numbers, Part 1

Lesson 2: Multiplication of Mixed Numbers, Part 2

Lesson 3: Rectangles with Fractional Side Lengths

Lesson 4: Using Common Denominators for Fraction Division

Lesson 5: A Hierarchy of Triangles

Lesson 6: A Hierarchy of Quadrilaterals

Lesson 7: Playing Property Pandemonium

Lesson 8: A Hierarchy of Polygons

Lesson 9: Collecting and Using Fractional Patterns

Lesson 10: Identifying and Visualizing Patterns

Lesson 11: Rules, Tables, and Graphs, Part 1

Lesson 12: Rules, Tables, and Graphs, Part 2

Lesson 13: Old Faithful's Next Eruption

Lesson 1: Planning an Athletic Center

Lesson 2: Applying the Rectangle Method for Area

Lesson 3: Planning an Aquarium

Lesson 4: A Treasure Hunt

Lesson 5: Spending $1,000,000

Lesson 6: Earning $1,000,000

Lesson 7: Paying Off the National Debt

Lesson 8: A Footstep Problem

Lesson 9: Finding Your Heart Rate

Lesson 10: Finding Your Cardiac Output

Lesson 11: Pendulums, Part 1

Lesson 12: Pendulums, Part 2