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| Chapter 1: Place Value |
| Lesson 1: Place Value |
| Lesson 2: Read and Write Multi-Digit Numbers |
| Lesson 3: Compare Numbers |
| Lesson 4: Order Numbers |
| Lesson 5: Use Place Value to Round |
| Lesson 6: Problem-Solving Investigation |
| Chapter 2: Add and Subtract Whole Numbers |
| Lesson 1: Addition Properties and Subtraction Rules |
| Lesson 2: Addition and Subtraction Patterns |
| Lesson 3: Add and Subtract Mentally |
| Lesson 4: Estimate Sums and Differences |
| Lesson 5: Add Whole Numbers |
| Lesson 6: Subtract Whole Numbers |
| Lesson 7: Subtract Across Zero |
| Lesson 8: Problem-Solving Investigation Strategy: Draw a Diagram |
| Lesson 9: Solve Multi-Step Word Problems |
| Chapter 3: Understand Multiplication and Division |
| Lesson 1: Relate Multiplication and Division |
| Lesson 2: Relate Division and Subtraction |
| Lesson 3: Multiplication as Comparison |
| Lesson 4: Compare to Solve Problems |
| Lesson 5: Multiplication Properties and Division Rules |
| Lesson 6: The Associative Property of Multiplication |
| Lesson 7: Factors and Multiples |
| Lesson 8: Problem-Solving Investigation Strategy: Reasonable Answers |
| Chapter 4: Multiply with One-Digit Numbers |
| Lesson 1: Multiples of 10, 100, and 1,000 |
| Lesson 2: Round to Estimate Products |
| Lesson 3: Hands On: Use Place Value to Multiply |
| Lesson 4: Hands On: Use Models to Multiply |
| Lesson 5: Multiply by a Two-Digit Number |
| Lesson 6: Hands On: Model Regrouping |
| Lesson 7: The Distributive Property |
| Lesson 8: Multiply with Regrouping |
| Lesson 9: Multiply by a Multi-Digit Number |
| Lesson 10: Problem Solving: Estimate or Exact Answer |
| Lesson 11: Multiply Across Zeros |
| Chapter 5: Multiply with Two-Digit Numbers |
| Lesson 1: Multiply by Tens |
| Lesson 2: Estimate Products |
| Lesson 3: Hands On: Use the Distributive Property to Multiply |
| Lesson 4: Multiply by a Two-Digit Number |
| Lesson 5: Solve Multi-Step Word Problems |
| Lesson 6: Problem Solving: Make a Table |
| Chapter 6: Divide by a One-Digit Number |
| Lesson 1: Divide Multiples of 10, 100, and 1,000 |
| Lesson 2: Estimate Quotients |
| Lesson 3: Hands On: Use Place Value to Divide |
| Lesson 4: Problem Solving: Make a Model |
| Lesson 5: Divide with Remainders |
| Lesson 6: Interpret Remainders |
| Lesson 7: Place the First Digit |
| Lesson 8: Hands On: Distributive Property and Partial Quotients |
| Lesson 9: Divide Greater Numbers |
| Lesson 10: Quotients with Zeros |
| Lesson 11: Solve Multi-Step Word Problems |
| Chapter 7: Patterns and Sequences |
| Lesson 1: Nonnumeric Patterns |
| Lesson 2: Numeric Patterns |
| Lesson 3: Sequences |
| Lesson 4: Problem Solving: Look for a Pattern |
| Lesson 5: Addition and Subtraction Rules |
| Lesson 6: Multiplication and Division Rules |
| Lesson 7: Order of Operations |
| Lesson 8: Hands On: Equations with Two Operations |
| Lesson 9: Equations with Multiple Operations |
| Chapter 8: Fractions |
| Lesson 1: Factors and Multiples |
| Lesson 2: Prime and Composite Numbers |
| Lesson 3: Hands On: Model Equivalent Fractions |
| Lesson 4: Equivalent Fractions |
| Lesson 5: Simplest Form |
| Lesson 6: Compare and Order Fractions |
| Lesson 7: Use Benchmark Fractions to Compare and Order |
| Lesson 8: Problem Solving: Use Logical Reasoning |
| Lesson 9: Mixed Numbers |
| Lesson 10: Mixed Numbers and Improper Fractions |
| Chapter 9: Operations with Fractions |
| Lesson 1: Hands On: Use Models to Add Like Fractions |
| Lesson 2: Add Like Fractions |
| Lesson 3: Hands On: Use Models to Subtract Like Fractions |
| Lesson 4: Subtract Like Fractions |
| Lesson 5: Problem Solving: Work Backward |
| Lesson 6: Add Mixed Numbers |
| Lesson 7: Subtract Mixed Numbers |
| Lesson 8: Hands On: Model Fractions and Multiplication |
| Lesson 9: Multiply Fractions by Whole Numbers |
| Chapter 10: Fractions and Decimals |
| Lesson 1: Hands On: Place Value Through Tenths and Hundredths |
| Lesson 2: Tenths |
| Lesson 3: Hundredths |
| Lesson 4: Hands On: Model Decimals and Fractions |
| Lesson 5: Decimals and Fractions |
| Lesson 6: Use Place Value and Models to Add |
| Lesson 7: Compare and Order Decimals |
| Lesson 8: Problem Solving: Extra or Missing Information |
| Chapter 11: Customary Measurement |
| Lesson 1: Customary Units of Length |
| Lesson 2: Convert Customary Units of Length |
| Lesson 3: Customary Units of Capacity |
| Lesson 4: Convert Customary Units of Capacity |
| Lesson 5: Customary Units of Weight |
| Lesson 6: Convert Customary Units of Weight |
| Lesson 7: Convert Units of Time |
| Lesson 8: Display Measurement Data in a Line Plot |
| Lesson 9: Solve Measurement Problems |
| Lesson 10: Problem Solving: Guess, Check, and Revise |
| Chapter 12: Metric Measurement |
| Lesson 1: Metric Units of Length |
| Lesson 2: Metric Units of Capacity |
| Lesson 3: Metric Units of Mass |
| Lesson 4: Problem Solving: Make an Organized List |
| Lesson 5: Convert Metric Units |
| Lesson 6: Solve Measurement Problems |
| Chapter 13: Perimeter and Area |
| Lesson 1: Measure Perimeter |
| Lesson 2: Problem Solving: Solve a Simpler Problem |
| Lesson 3: Hands On: Model Area |
| Lesson 4: Measure Area |
| Lesson 5: Relate Area and Perimeter |
| Chapter 14: Geometry |
| Lesson 1: Draw Points, Lines, and Rays |
| Lesson 2: Draw Parallel and Perpendicular Lines |
| Lesson 3: Hands On: Model Angles |
| Lesson 4: Classify Angles |
| Lesson 5: Measure Angles |
| Lesson 6: Draw Angles |
| Lesson 7: Solve Problems with Angles |
| Lesson 8: Triangles |
| Lesson 9: Quadrilaterals |
| Lesson 10: Draw Lines of Symmetry |