Chapter 1: Numeration


Apps 
Videos 
Practice Now 
Lesson 1: Hundreds

apps 
videocam 
create 
Lesson 2: Thousands

apps 
videocam 
create 
Lesson 3: Greater Numbers

apps 
videocam 
create 
Lesson 4: Comparing Numbers

apps 
videocam 
create 
Lesson 5: Ordering Numbers

apps 
videocam 
create 
Lesson 6: Counting Numbers

apps 
videocam 
create 
Lesson 7: Problem Solving: Make an Organized List

apps 
videocam 
create 
Chapter 2: Addition Number Sense


Apps 
Videos 
Practice Now 
Lesson 1: Addition Meaning and Properties

apps 
videocam 
create 
Lesson 2: Adding on a Hundred Chart

apps 
videocam 
create 
Lesson 3: Using Mental Math to Add

apps 
videocam 
create 
Lesson 4: Rounding

apps 
videocam 
create 
Lesson 5: Estimating Sums

apps 
videocam 
create 
Lesson 6: Problem Solving: Draw a Picture

apps 
videocam 
create 
Chapter 3: Addition Number Sense


Apps 
Videos 
Practice Now 
Lesson 1: Adding 2Digit Numbers

apps 
videocam 
create 
Lesson 2: Models for Adding 3Digit Numbers

apps 
videocam 
create 
Lesson 3: Adding 3Digit Numbers

apps 
videocam 
create 
Lesson 4: Adding 3 or More Numbers

apps 
videocam 
create 
Lesson 5: Problem Solving: Try, Check, and Revise

apps 
videocam 
create 
Chapter 4: Subtraction Number Sense


Apps 
Videos 
Practice Now 
Lesson 1: Subtraction Meanings

apps 
videocam 
create 
Lesson 2: Subtracting on a Hundred Chart

apps 
videocam 
create 
Lesson 3: Using Mental Math to Subtract

apps 
videocam 
create 
Lesson 4: Estimating Differences

apps 
videocam 
create 
Lesson 5: Problem Solving: Reasonableness

apps 
videocam 
create 
Chapter 5: Subtraction Whole Numbers to Solve Problems


Apps 
Videos 
Practice Now 
Lesson 1: Models for Subtracting 2Digit Numbers

apps 
videocam 
create 
Lesson 2: Subtracting 2Digit Numbers

apps 
videocam 
create 
Lesson 3: Models for Subtracting 3Digit Numbers

apps 
videocam 
create 
Lesson 4: Subtracting 3Digit Numbers

apps 
videocam 
create 
Lesson 5: Subtracting Across Zero

apps 
videocam 
create 
Lesson 6: Problem Solving: Draw a Picture

apps 
videocam 
create 
Chapter 6: Multiplication Meanings


Apps 
Videos 
Practice Now 
Lesson 1: Multiplication as Repeated Addition

apps 
videocam 
create 
Lesson 2: Arrays and Multiplication

apps 
videocam 
create 
Lesson 3: Using Multiplication to Compare

apps 
videocam 
create 
Lesson 4: Writing Multiplication Stories

apps 
videocam 
create 
Lesson 5: Problem Solving: Writing to Explain

apps 
videocam 
create 
Chapter 7: Multiplication Fact Strategies


Apps 
Videos 
Practice Now 
Lesson 1: 2 and 5 as Factors

apps 
videocam 
create 
Lesson 2: 9 as a Factor

apps 
videocam 
create 
Lesson 3: Multiplying with 0 and 1

apps 
videocam 
create 
Lesson 4: 10,11, and 12 as Factors

apps 
videocam 
create 
Lesson 5: Problem Solving: Two Question Problems

apps 
videocam 
create 
Chapter 8: Multiplication Fact Strategies:Use Known Facts


Apps 
Videos 
Practice Now 
Lesson 1: 3 as a Factor

apps 
videocam 
create 
Lesson 2: 4 as a Factor

apps 
videocam 
create 
Lesson 3: 6 and 7 as Factors

apps 
videocam 
create 
Lesson 4: 8 as a Factor

apps 
videocam 
create 
Lesson 5: Multiplying with 3 Factors

apps 
videocam 
create 
Lesson 6: Problem Solving: Multiple Step Problems

apps 
videocam 
create 
Chapter 9: Multiplication Patterns and Number Sense


Apps 
Videos 
Practice Now 
Lesson 1: Using Mental Math to Multiply

apps 
videocam 
create 
Lesson 2: Estimating Products

apps 
videocam 
create 
Lesson 3: Multiplication and Arrays

apps 
videocam 
create 
Lesson 4: Breaking Apart to Multiply

apps 
videocam 
create 
Lesson 5: Using Expanded Algorithm

apps 
videocam 
create 
Lesson 6: Multiplying 2Digit by 1Digit Numbers

apps 
videocam 
create 
Lesson 7: Problem Solving: Draw a Picture and Write a Number Sentence

apps 
videocam 
create 
Chapter 10: Division Meanings and Facts


Apps 
Videos 
Practice Now 
Lesson 1: Division is Sharing

apps 
videocam 
create 
Lesson 2: Division as Repeated Subtraction

apps 
videocam 
create 
Lesson 3: Writing Division Stories

apps 
videocam 
create 
Lesson 4: Relating Multiplication and Division

apps 
videocam 
create 
Lesson 5: Fact Families with 2,3, and 5

apps 
videocam 
create 
Lesson 6: Fact Families with 6 and 7

apps 
videocam 
create 
Lesson 7: Fact Families with 8 and 9

apps 
videocam 
create 
Lesson 8: Dividing with 0 and 1

apps 
videocam 
create 
Lesson 9: Division Patterns

apps 
videocam 
create 
Lesson 10: Problem Solving: Draw a Picture and Write a Number Sentence

apps 
videocam 
create 
Chapter 11: Fraction Concepts


Apps 
Videos 
Practice Now 
Lesson 1: Dividing Regions into Equal Parts

apps 
videocam 
create 
Lesson 2: Fractions and Regions

apps 
videocam 
create 
Lesson 3: Fractions and Sets

apps 
videocam 
create 
Lesson 4: Fractions and Length

apps 
videocam 
create 
Lesson 5: Using Models to Compare Fractions

apps 
videocam 
create 
Lesson 6: Comparing Fractions

apps 
videocam 
create 
Lesson 7: Finding Equivalent Fractions

apps 
videocam 
create 
Lesson 8: Problem Solving: Make a Table and Look for a Pattern

apps 
videocam 
create 
Chapter 12: Patterns and Relationships


Apps 
Videos 
Practice Now 
Lesson 1: Repeating Patterns

apps 
videocam 
create 
Lesson 2: Number Sequences

apps 
videocam 
create 
Lesson 3: Extending Tables

apps 
videocam 
create 
Lesson 4: Writing Rules for Situations

apps 
videocam 
create 
Lesson 5: Geometric Patterns

apps 
videocam 
create 
Lesson 6: Act it Out and Use Reasoning

apps 
videocam 
create 
Chapter 13: Whole Numbers and Fractions on the Number Line


Apps 
Videos 
Practice Now 
Lesson 1: Understanding Number Lines

apps 
videocam 
create 
Lesson 2: Patterns on the Number Line

apps 
videocam 
create 
Lesson 3: Locating Fractions on the Number Line

apps 
videocam 
create 
Lesson 4: Comparing Fractions on the Number Line

apps 
videocam 
create 
Lesson 5: Problem Solving: Missing or Extra Information

apps 
videocam 
create 
Chapter 14: Solids and Shapes


Apps 
Videos 
Practice Now 
Lesson 1: Solid Figures

apps 
videocam 
create 
Lesson 2: Relating Solids and Shapes

apps 
videocam 
create 
Lesson 3: Lines and Line Segments

apps 
videocam 
create 
Lesson 4: Angles

apps 
videocam 
create 
Lesson 5: Polygons

apps 
videocam 
create 
Lesson 6: Triangles

apps 
videocam 
create 
Lesson 7: Quadrilaterals

apps 
videocam 
create 
Lesson 8: Problem Solving: Make and Test Generalizations

apps 
videocam 
create 
Chapter 15: Congruence and Symmetry


Apps 
Videos 
Practice Now 
Lesson 1: Congruent Figures

apps 
videocam 
create 
Lesson 2: Line Symmetry

apps 
videocam 
create 
Lesson 3: Drawing Shapes with Line Symmetry

apps 
videocam 
create 
Lesson 4: Problem Solving: Use Objects

apps 
videocam 
create 
Chapter 16: Estimating and Measuring Length


Apps 
Videos 
Practice Now 
Lesson 1: Understanding Measurement

apps 
videocam 
create 
Lesson 2: Fractions of an Inch

apps 
videocam 
create 
Lesson 3: Using Inches, Feet, Yards, and Miles

apps 
videocam 
create 
Lesson 4: Using Centimeters and Decimeters

apps 
videocam 
create 
Lesson 5: Using Meters and Kilometers

apps 
videocam 
create 
Lesson 6: Problem Solving: Make a Table and Look for a Pattern

apps 
videocam 
create 
Chapter 17: Perimeter and Area


Apps 
Videos 
Practice Now 
Lesson 1: Understanding Perimeter

apps 
videocam 
create 
Lesson 2: Perimeter and Common Shapes

apps 
videocam 
create 
Lesson 3: Understanding Area

apps 
videocam 
create 
Lesson 4: Estimating and Measuring Area

apps 
videocam 
create 
Lesson 5: Problem Solving: Solve a Simpler Problem

apps 
videocam 
create 
Chapter 18: Volume, Capacity, Weight, and Mass


Apps 
Videos 
Practice Now 
Lesson 1: Volume

apps 
videocam 
create 
Lesson 2: Customary Units of Capacity

apps 
videocam 
create 
Lesson 3: Units of Weight

apps 
videocam 
create 
Lesson 4: Metric Units of Capacity

apps 
videocam 
create 
Lesson 5: Units of Mass

apps 
videocam 
create 
Lesson 6: Act It Out and Use Reasoning

apps 
videocam 
create 
Chapter 19: Time and Temperature


Apps 
Videos 
Practice Now 
Lesson 1: Time to the Half Hour and Quarter Hour

apps 
videocam 
create 
Lesson 2: Time to the Minute

apps 
videocam 
create 
Lesson 3: Temperature

apps 
videocam 
create 
Lesson 4: Work Backward

apps 
videocam 
create 
Chapter 20: Data, Graphs, and Probability


Apps 
Videos 
Practice Now 
Lesson 1: Organizing Data

apps 
videocam 
create 
Lesson 2: Reading Pictographs

apps 
videocam 
create 
Lesson 3: Making Pictographs

apps 
videocam 
create 
Lesson 4: Making Bar Graphs

apps 
videocam 
create 
Lesson 5: How Likely?

apps 
videocam 
create 
Lesson 6: Problem Solving: Use Tables and Graphs to Draw Conclusions

apps 
videocam 
create 