Table of Contents
 Chapter 1 • Graphs

Chapter 2 • Addition and Subtraction with Numbers up to 20
 Lesson: Doubling Numbers up to 10
 Lesson: Doubles Plus One
 Lesson: Doubles Minus One
 Lesson: Adding by Counting On: Numbers up to 20
 Lesson: Subtracting by Counting Back: Numbers up to 20
 Lesson: Ten More and Ten Less: Numbers up to 100
 Lesson: Adding OneDigit Numbers by Making Ten
 Lesson: Subtracting Ones from Teen Numbers: Making Ten
 Lesson: Choosing Strategies to Add
 Lesson: Word Problems: Adding Numbers up to 20
 Lesson: Missing Numbers in Addition and Subtraction Equations
 Lesson: Word Problems: Subtracting Numbers up to 20

Chapter 3 • ThreeDigit Numbers
 Lesson: Hundreds
 Lesson: Place Value of ThreeDigit Numbers
 Lesson: Modeling ThreeDigit Numbers
 Lesson: Writing ThreeDigit Numbers in Various Forms
 Lesson: Writing Numbers up to 10 in Words
 Lesson: Writing Numbers up to 20 in Words
 Lesson: Reading and Writing Numbers up to 100
 Lesson: Comparing ThreeDigit Numbers
 Lesson: Ordering ThreeDigit Numbers

Chapter 4 • Addition and Subtraction with TwoDigit Numbers
 Lesson: Adding in Any Order
 Lesson: Adding Ones to Teen Numbers
 Lesson: Subtracting Ones From Teen Numbers
 Lesson: Subtracting Ones from TwoDigit Numbers without Regrouping
 Lesson: Making TwoDigit Numbers with Tens and Ones
 Lesson: Rounding to the Nearest Ten
 Lesson: Estimating Sums of TwoDigit Numbers: Rounding
 Lesson: Estimating Differences between TwoDigit Numbers: Rounding
 Lesson: Adding Ones to TwoDigit Numbers with Regrouping
 Lesson: Adding by Breaking Apart Tens and Ones
 Lesson: Adding TwoDigit Numbers with Regrouping
 Lesson: Addition of Three or More TwoDigit Numbers
 Lesson: Subtracting by Breaking Apart Tens and Ones

Chapter 5 • Shapes and Measurement
 Lesson: Naming Polygons
 Lesson: Quadrilaterals
 Lesson: Sides of 2D Shapes
 Lesson: Vertices of 2D Shapes
 Lesson: Drawing 2D Shapes
 Lesson: Composing and Decomposing 2D Shapes
 Lesson: Centimeters
 Lesson: Meters
 Lesson: Choosing Centimeters or Meters
 Lesson: Faces of 3D Shapes
 Lesson: Edges of 3D Shapes
 Lesson: Vertices of 3D Shapes
 Chapter 6 • Time and Measurement
 Chapter 1 • Money

Chapter 2 • Patterns and Arrays
 Lesson: Identifying Odd and Even Numbers: Pairing or Grouping
 Lesson: Identifying Odd and Even Numbers: Skip Counting
 Lesson: Adding and Subtracting Odd and Even Numbers
 Lesson: Repeating Shape Patterns
 Lesson: Number Patterns: TwoDigit Numbers
 Lesson: Skip Counting with Arrays
 Lesson: Repeated Addition with Arrays

Chapter 3 • Addition within ThreeDigit Numbers
 Lesson: Estimating Sums of TwoDigit Numbers: Rounding
 Lesson: Rounding to the Nearest Ten
 Lesson: Rounding to the Nearest Hundred
 Lesson: Adding Ones to TwoDigit Numbers with Regrouping
 Lesson: Adding TwoDigit Numbers with Regrouping
 Lesson: Column Addition of TwoDigit Numbers
 Lesson: Column Addition of ThreeDigit Numbers: No Regrouping
 Lesson: Column Addition of ThreeDigit Numbers: Regroup Ones
 Lesson: Column Addition of ThreeDigit Numbers: Regroup Tens
 Lesson: Column Addition of ThreeDigit Numbers: Regroup Ones and Tens
 Lesson: Estimating Sums of ThreeDigit Numbers: Rounding
 Lesson: Estimating Differences between ThreeDigit Numbers: Rounding

Chapter 4 • Subtraction within ThreeDigit Numbers
 Lesson: Relating Addition to Subtraction: Numbers up to 20
 Lesson: Adding Numbers up to 20 on a Number Line
 Lesson: Subtracting Numbers up to 20 on a Number Line
 Lesson: Subtracting Ones from TwoDigit Numbers on a Number Line
 Lesson: Subtracting TwoDigit Numbers on Number Lines
 Lesson: Adding on a Number Line to Subtract Numbers up to 100
 Lesson: Subtracting TwoDigit Numbers on a Hundred Chart
 Lesson: Making TwoDigit Numbers
 Lesson: Subtracting by Breaking Apart Ones
 Lesson: Subtracting Ones from TwoDigit Numbers with Regrouping
 Lesson: Subtracting TwoDigit Numbers with Regrouping
 Lesson: Column Subtraction of OneDigit Numbers from TwoDigit Numbers
 Lesson: Column Subtraction of TwoDigit Numbers
 Lesson: Subtracting Hundreds from ThreeDigit Numbers
 Lesson: Column Subtraction of ThreeDigit Numbers: No Regrouping
 Lesson: Column Subtraction of ThreeDigit Numbers: Regrouping Tens
 Lesson: Column Subtraction of ThreeDigit Numbers: Regrouping Hundreds
 Lesson: Column Subtraction of ThreeDigit Numbers: Regrouping Tens and Hundreds
 Lesson: Column Subtraction of ThreeDigit Numbers: Subtracting across Zeros
 Lesson: Adding and Subtracting Numbers up to 100
 Lesson: Word Problems: Addition and Subtraction with Numbers up to 1,000
 Chapter 5 • Fractions
 Chapter 6 • Graphs