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| Lesson 1.1: Number: Writing three-digit numerals and number names |
| Lesson 1.2: Number: Identifying three-digit numbers on a number line |
| Lesson 1.3: Number: Representing four-digit numbers |
| Lesson 1.4: Number: Writing four-digit numbers and number names |
| Lesson 1.5: Number: Writing four-digit numbers in expanded form |
| Lesson 1.6: Locating four-digit numbers on a number line |
| Lesson 1.7: Multiplication: Introducing the symbol |
| Lesson 1.8: Multiplication: Using the turnaround idea with arrays |
| Lesson 1.9: Multiplication: Doubling and halving multiples of ten and five |
| Lesson 1.10: Multiplication: Introducing the tens facts |
| Lesson 1.11: Multiplication: Introducing the fives facts |
| Lesson 1.12: Multiplication: Reinforcing the tens and five facts |
| Lesson 2.1: Addition: Investigating patterns |
| Lesson 2.2: Addition: Two-digit numbers (with composing) |
| Lesson 2.3: Addition: Two- and three-digit numbers (with composing) |
| Lesson 2.4: Addition: Developing written methods |
| Lesson 2.5: Addition: Solving word problems |
| Lesson 2.6: Time: Reading and writing to the minute |
| Lesson 2.7: Time: Relating past and to the hour |
| Lesson 2.8: Time: Reading times in different ways |
| Lesson 2.9: Time: Measuring intervals in time |
| Lesson 2.10: 2D shapes: Exploring rectangles |
| Lesson 2.11: 2D shapes: Exploring rhombuses |
| Lesson 2.12: 2D shapes: Exploring relationships between shapes |
| Lesson 3.1: Multiplication: Introducing the twos facts |
| Lesson 3.2: Multiplication: Reinforcing the twos facts |
| Lesson 3.3: Multiplication: Extending the twos facts |
| Lesson 3.4: Multiplication: Introducing the fours facts |
| Lesson 3.5: Multiplication: Reinforcing the fours facts |
| Lesson 3.6: Multiplication: Extending the fours facts |
| Lesson 3.7: Multiplication: Solving word problems |
| Lesson 3.8: Number: Working with place value |
| Lesson 3.9: Number: Comparing and ordering three-digit numbers |
| Lesson 3.10: Number: Comparing and ordering three- and four-digit numbers |
| Lesson 3.11: Number: Rounding two- and three-digit numbers |
| Lesson 3.12: Number: Rounding three- and four-digit numbers |
| Lesson 4.1: Division: Introducing the symbol |
| Lesson 4.2: Division: Connecting multiplication and division |
| Lesson 4.3: Division: Introducing the tens facts |
| Lesson 4.4: Division: Introducing the fives facts |
| Lesson 4.5: Division: Reinforcing the tens and fives facts |
| Lesson 4.6: Division: Introducing the twos and fours facts |
| Lesson 4.7: Division: Reinforcing the twos and fours facts |
| Lesson 4.8: Common fractions: Reviewing unit fractions |
| Lesson 4.9: Common fractions: Writing with symbols |
| Lesson 4.10: Common fractions: Representing unit fractions on a number line |
| Lesson 4.11: Common fractions: Representing as a sum of unit fractions |
| Lesson 4.12: Common fractions: Relating models |
| Lesson 5.1: Multiplication: Introducing the eights facts |
| Lesson 5.2: Multiplication: Reinforcing the eights facts |
| Lesson 5.3: Multiplication: Exploring patterns with the eights facts |
| Lesson 5.4: Multiplication: Introducing the ones facts |
| Lesson 5.5: Multiplication: Introducing the zeros facts |
| Lesson 5.6: Multiplication: Reinforcing the ones and zeros facts |
| Lesson 5.7: Multiplication: Solving word problems |
| Lesson 5.8: Subtraction: Counting back to subtract two-digit numbers (with decomposing) |
| Lesson 5.9: Subtraction: Counting back to subtract two- and three-digit numbers (with decomposing) |
| Lesson 5.10: Subtraction: Counting on to subtract two-digit numbers (with composing) |
| Lesson 5.11: Subtraction: Counting on to subtract two- and three-digit numbers (with composing) |
| Lesson 5.12: Subtraction: Solving word problems |
| Lesson 6.1: Multiplication: Introducing the nines facts |
| Lesson 6.10: Data: Working with bar graphs |
| Lesson 6.11: Data: Working with line plots |
| Lesson 6.12: Data: Working with line plots (fractions) |
| Lesson 6.2: Multiplication: Reinforcing the nines facts |
| Lesson 6.3: Multiplication: Exploring patterns with the nines facts |
| Lesson 6.4: Multiplication: Solving word problems |
| Lesson 6.5: Division: Introducing the eights facts |
| Lesson 6.6: Division: Reinforcing the eights facts |
| Lesson 6.7: Division: Introducing the ones facts |
| Lesson 6.8: Division: Introducing the zeros facts |
| Lesson 6.9: Data: Working with many-to-one picture graphs |
| Lesson 7.1: Multiplication: Introducing the sixes facts |
| Lesson 7.2: Multiplication: Reinforcing the sixes facts |
| Lesson 7.3: Multiplication: Introducing the last facts |
| Lesson 7.4: Multiplication: Working with all facts |
| Lesson 7.5: Multiplication: Solving word problems |
| Lesson 7.6: Addition: Making estimates |
| Lesson 7.7: Addition: Introducing the standard algorithm |
| Lesson 7.8: Addition: Working with the standard algorithm (composing tens) |
| Lesson 7.9: Addition: Working with the standard algorithm (composing hundreds) |
| Lesson 7.10: Addition: Using the standard algorithm with three-digit numbers |
| Lesson 7.11: Addition: Introducing the compensation strategy |
| Lesson 7.12: Addition: Solving word problems |
| Lesson 8.1: Division: Introducing the nines facts |
| Lesson 8.2: Division: Reinforcing the nines facts |
| Lesson 8.3: Division: Introducing the sixes and last facts |
| Lesson 8.4: Division: Reinforcing the sixes and last facts |
| Lesson 8.5: Common fractions: Counting beyond one whole |
| Lesson 8.6: Common fractions: Exploring improper fractions |
| Lesson 8.7: Common fractions: Identifying improper fractions on a number line |
| Lesson 8.8: Common fractions: Exploring equivalent fractions |
| Lesson 8.9: Common fractions: Identifying equivalent fractions on a number line |
| Lesson 8.10: Capacity: Reviewing liters and fractions of a liter |
| Lesson 8.11: Mass: Reviewing kilograms and introducing fractions of a kilogram (grams) |
| Lesson 8.12: Mass/capacity: Solving word problems |
| Lesson 9.1: Subtraction: Making estimates |
| Lesson 9.2: Subtraction: Introducing the standard algorithm |
| Lesson 9.3: Subtraction: Using the standard algorithm with two-digit numbers (decomposing tens) |
| Lesson 9.4: Subtraction: Using the standard algorithm with three-digit numbers (decomposing tens) |
| Lesson 9.5: Subtraction: Using the standard algorithm with three-digit numbers (decomposing hundreds) |
| Lesson 9.6: Subtraction: Exploring subtraction involving zero |
| Lesson 9.7: Subtraction: Applying the compensation strategy |
| Lesson 9.8: Common fractions: Comparing unit fractions (length model) |
| Lesson 9.9: Common fractions: Comparing unit fractions (number line) |
| Lesson 9.10: Common fractions: Making comparisons with the same denominator (number line) |
| Lesson 9.11: Common fractions: Making comparisons with the same numerator (number line) |
| Lesson 9.12: Common fractions: Solving comparison word problems |
| Lesson 10.1: Area: Calculating the area of rectangles (customary units) |
| Lesson 10.2: Area: Calculating the area of rectangles (metric units) |
| Lesson 10.3: Area: Using multiplication to calculate area |
| Lesson 10.4: Area: Identifying dimensions of rectangles |
| Lesson 10.5: Area: Decomposing composite shapes to calculate area |
| Lesson 10.6: Area: Solving word problems |
| Lesson 10.7: Multiplication: Extending known facts |
| Lesson 10.8: Multiplication: Using the distributive property with two-digit numbers (partial products) |
| Lesson 10.9: Multiplication: Using the associative property with two-digit numbers (double and halve) |
| Lesson 10.10: Algebra: Investigating order with multiple operations |
| Lesson 10.11: Algebra: Solving problems involving multiple operations |
| Lesson 10.12: Algebra: Writing equations to match two-step word problems |
| Lesson 11.1: Number: Building a picture of 10,000 |
| Lesson 11.2: Number: Representing five-digit numbers |
| Lesson 11.3: Number: Writing five-digit numbers in expanded form |
| Lesson 11.4: Number: Comparing and ordering five-digit numbers |
| Lesson 11.5: Number: Rounding five-digit numbers |
| Lesson 11.6: Number: Reinforcing rounding with five-digit numbers |
| Lesson 11.7: Money: Adding amounts in cents (bridging dollars) |
| Lesson 11.8: Money: Working with dollars and cents |
| Lesson 11.9: Money: Calculating change (cents) |
| Lesson 11.10: Capacity: Reviewing cups, pints, and quarts |
| Lesson 11.11: Capacity: Introducing gallons |
| Lesson 11.12: Capacity: Solving word problems |
| Lesson 12.1: Division: Two-digit numbers |
| Lesson 12.2: Division: Two-digit numbers (with regrouping) |
| Lesson 12.3: Division: Thinking multiplication to divide two-digit numbers |
| Lesson 12.4: Division: Making estimates |
| Lesson 12.5: Division: Reinforcing the think-multiplication strategy |
| Lesson 12.6: Angles: Comparing using non-standard units |
| Lesson 12.7: Angles: Measuring as fractions |
| Lesson 12.8: 3D objects: Identifying prisms |
| Lesson 12.9: 3D objects: Comparing prisms and pyramids |
| Lesson 12.10: Perimeter: Introducing perimeter |
| Lesson 12.11: Perimeter: Exploring the relationship with area |
| Lesson 12.12: Perimeter/area: Solving word problems |