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| Chapter 1: Place Value |
| Lesson 1: Hundreds |
| Lesson 2: Compare Numbers |
| Lesson 3: Order Numbers |
| Lesson 4: Counting Patterns |
| Lesson 5: What Is One Thousand? |
| Lesson 6: Thousands |
| Lesson 7: Ten Thousands and Hundred Thousands |
| Lesson 8: Compare and Order Larger Numbers |
| Lesson 9: Round Numbers |
| Lesson 10: Coins and Bills |
| Lesson 11: Make and Count Change |
| Lesson 12: Compare and Round Money |
| Lesson 13: Problem-Solving Strategy: Draw a Picture |
| Lesson 14: Problem-Solving Applications: Mixed Review |
| Chapter 2: Addition |
| Lesson 1: More Than Two Addends |
| Lesson 2: Missing Addends |
| Lesson 3: Add: No Regrouping |
| Lesson 4: Estimate Sums |
| Lesson 5: Add With Regrouping |
| Lesson 6: Regroup Tens |
| Lesson 7: Add: Regroup Tens |
| Lesson 8: Add: Regroup Twice |
| Lesson 9: Three-Digit Addition |
| Lesson 10: More Regrouping in Addition |
| Lesson 11: Mental Math |
| Lesson 12: Regroup Hundreds as Thousands |
| Lesson 13: Three or More Addends |
| Lesson 14: Add Larger Numbers |
| Lesson 15: Problem Solving Strategy: Use Simpler Numbers |
| Lesson 16: Problem Solving Applications: Mixed Review |
| Chapter 3: Subtraction |
| Lesson 1: Subtraction Concepts |
| Lesson 2: Subtract: No Regrouping |
| Lesson 3: Estimate Differences |
| Lesson 4: Subtract with Regrouping |
| Lesson 5: Regroup Hundreds and Dollars |
| Lesson 7: Regroup Twice in Subtraction |
| Lesson 8: Regroup with Zeros |
| Lesson 9: Regroup Thousands as Hundreds |
| Lesson 10: Subtract Larger Numbers |
| Lesson 11: Choose a Computation Method |
| Lesson 12: Problem-Solving Strategy: Choose the Operation |
| Lesson 13: Problem-Solving Applications: Mixed Review |
| Chapter 4: Multiplication Concepts and Facts |
| Lesson 1: Understand Multiplication |
| Lesson 2: One and Zero as Factors |
| Lesson 3: Multiply Twos |
| Lesson 4: Multiply Threes |
| Lesson 5: Multiply Fours |
| Lesson 6: Multiply Fives |
| Lesson 7: Multiply Cents |
| Lesson 8: Sums, Differences, and Products |
| Lesson 9: Order in Multiplication |
| Lesson 10: Missing Factors |
| Lesson 11: Problem-Solving Strategy: Use More than One Step |
| Lesson 12: Problem-Solving Applications: Mixed Review |
| Chapter 5: Division Concepts and Facts |
| Lesson 1: Understand Division |
| Lesson 2: One and Zero in Division |
| Lesson 3: Divide by 2 |
| Lesson 4: Divide by 3 |
| Lesson 5: Divide by 4 |
| Lesson 6: Divide by 5 |
| Lesson 7: Relate Multiplication and Division |
| Lesson 8: Divide Cents |
| Lesson 9: Function Machines |
| Lesson 10: Problem-Solving Strategy: Write a Number Sentence |
| Lesson 11: Problem-Solving Applications: Mixed Review |
| Chapter 6: More Multiplication and Division Facts |
| Lesson 1: Factors and Products |
| Lesson 2: Multiply Sixes |
| Lesson 3: Multiply Sevens |
| Lesson 4: Multiply Eights |
| Lesson 5: Multiply Nines |
| Lesson 6: Multiply Three Numbers |
| Lesson 7: Division Review |
| Lesson 8: Divide by 6 |
| Lesson 9: Divide by 7 |
| Lesson 10: Divide by 8 |
| Lesson 11: Divide by 9 |
| Lesson 12: Operation Patterns |
| Lesson 13: Fact Families |
| Lesson 14: Apply Facts |
| Lesson 15: Problem Solving Strategy: Guess and Test |
| Lesson 16: Problem Solving Applications: Mixed Review |
| Chapter 7: Statistics and Probability |
| Lesson 1: Pictographs |
| Lesson 2: Bar Graphs |
| Lesson 3: Surveys |
| Lesson 4: Circle Graphs |
| Lesson 5: Line Plots |
| Lesson 6: Line Graphs |
| Lesson 7: Median and Mean |
| Lesson 8: Compare Data |
| Lesson 9: Arrangements and Combinations |
| Lesson 10: Probability Experiments: Events and Outcomes |
| Lesson 11: Graph Results of Probability Experiments |
| Lesson 12: Make Predictions |
| Lesson 13: Problem Solving Strategy: Use a Graph |
| Lesson 14: Problem Solving Applications: Mixed Review |
| Chapter 8: Measurement and Time |
| Lesson 1: Quarter Inch, Half Inch, Inch |
| Lesson 2: Foot, Yard |
| Lesson 3: Mile |
| Lesson 4: Customary Units of Capacity |
| Lesson 5: Ounce, Pound |
| Lesson 6: Metric Units of Length |
| Lesson 7: Meter |
| Lesson 8: Kilometer |
| Lesson 9: Milliliter, Liter |
| Lesson 10: Gram, Kilogram |
| Lesson 11: Rename Units of Measure |
| Lesson 12: Choose the Measuring Tool |
| Lesson 13: Temperature |
| Lesson 14: Quarter Hour |
| Lesson 15: Minutes |
| Lesson 16: Elapsed Time |
| Lesson 17: Calendar |
| Lesson 18: Problem-Solving Strategy: Make a Table |
| Lesson 19: Problem-Solving Applications: Mixed Review |
| Chapter 9: Geometry |
| Lesson 1: Lines |
| Lesson 2: Angles |
| Lesson 3: Polygons and Circles |
| Lesson 4: Triangles |
| Lesson 5: Congruent and Similar Figures |
| Lesson 6: Ordered Pairs |
| Lesson 7: Symmetry |
| Lesson 8: Transformations |
| Lesson 9: Solid Figures |
| Lesson 10: Perimeter |
| Lesson 11: Area |
| Lesson 12: Volume |
| Lesson 13: Problem-Solving Strategy: Solve a Simpler Problem |
| Lesson 14: Problem-Solving Applications: Mixed Review |
| Chapter 10: Multiply by One Digit |
| Lesson 1: Multiplication Patterns |
| Lesson 2: Estimate Products |
| Lesson 3: Multiply Two Digits |
| Lesson 4: Multiply with Models |
| Lesson 5: Multiply with Regrouping |
| Lesson 6: More Multiplying with Regrouping |
| Lesson 7: Multiply Three Digits |
| Lesson 8: Regroup in Multiplication |
| Lesson 9: Regroup Twice in Multiplication |
| Lesson 10: Problem-Solving Strategy: Work Backward |
| Lesson 11: Problem-Solving Applications: Mixed Review |
| Chapter 11: Divide by One Digit |
| Lesson 1: Division Sense |
| Lesson 2: Division with Remainders |
| Lesson 3: One-Digit Quotients |
| Lesson 4: Two-Digit Quotients |
| Lesson 5: Quotients with Remainders |
| Lesson 6: Estimate Quotients |
| Lesson 7: Problem-Solving Strategy: Interpret the Remainder |
| Lesson 8: Problem-Solving Applications: Mixed Review |
| Chapter 12: Fractions |
| Lesson 1: Fractions |
| Lesson 2: Equivalent Fractions |
| Lesson 3: Estimate Fractions |
| Lesson 4: Compare Fractions |
| Lesson 5: Order Fractions |
| Lesson 6: Find Part of a Set |
| Lesson 7: Mixed Numbers |
| Lesson 8: Add Fractions |
| Lesson 9: Subtract Fractions |
| Lesson 10: Unit Cost |
| Lesson 11: Problem-Solving Strategy: Use a Drawing/Model |
| Lesson 12: Problem-Solving Applications: Mixed Review |
| Chapter 13: Decimals |
| Lesson 1: Fractions and Decimals |
| Lesson 2: Hundredths |
| Lesson 3: Decimals Greater Than One |
| Lesson 4: Compare and Order Decimals |
| Lesson 5: Add and Subtract Decimals |
| Lesson 6: Multiply Money |
| Lesson 7: Divide Money |
| Lesson 8: Problem-Solving Strategy: Find a Pattern |
| Lesson 9: Problem-Solving Applications: Mixed Review |
| Chapter 14: Get Ready for Algebra |
| Lesson 1: Divisibility |
| Lesson 2: Expressions and Variables |
| Lesson 3: Order of Operations |
| Lesson 4: Missing Operation |
| Lesson 5: Factors |
| Lesson 6: Number Sentences |
| Lesson 7: Problem-Solving Strategy: Use More Than One Step |
| Lesson 8: Problem-Solving Applications: Mixed Review |