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| Unit 1: Factors and Multiples |
| Lesson 1: Multiples of a Number Lesson |
| Lesson 2: Factor Pairs |
| Lesson 3: Prime and Composite Numbers |
| Lesson 4: Multiplication Practice (optional) |
| Lesson 5: More Multiples |
| Lesson 6: The Locker Problem |
| Lesson 7: Find Factors and Multiples |
| Lesson 8: Mondrian’s Art (optional) |
| Unit 2: Fraction Equivalence and Comparison |
| Lesson 1: Representations of Fractions (Part 1) |
| Lesson 2: Representations of Fractions (Part 2) |
| Lesson 3: Same Denominator or Numerator |
| Lesson 4: Same Size, Related Sizes |
| Lesson 5: Fractions on Number Lines |
| Lesson 6: Relate Fractions to Benchmarks |
| Lesson 7: Equivalent Fractions |
| Lesson 8: Equivalent Fractions on the Number Line |
| Lesson 9: Explain Equivalence |
| Lesson 10: Use Multiples to Find Equivalent Fractions |
| Lesson 11: Use Factors to Find Equivalent Fractions |
| Lesson 12: Ways to Compare Fractions |
| Lesson 13: Use Equivalent Fractions to Compare |
| Lesson 14: Fraction Comparison Problem |
| Lesson 15: Common Denominators to Compare |
| Lesson 16: Compare and Order Fractions |
| Lesson 17: Paper Clip Games (optional) |
| Unit 3: Extending Operations to Fractions |
| Lesson 1: Equal Groups of Unit Fractions |
| Lesson 2: Representations of Equal Groups of Fractions |
| Lesson 3: Patterns in Multiplication |
| Lesson 4: Equal Groups of Non-Unit Fractions |
| Lesson 5: Equivalent Multiplication Expressions |
| Lesson 6: Problems with Equal Groups of Fractions |
| Lesson 7: Fractions as Sums |
| Lesson 8: Addition of Fractions |
| Lesson 9: Differences of Fractions |
| Lesson 10: The Numbers in Subtraction |
| Lesson 11: Subtract Fractions Flexibly |
| Lesson 12: Sums and Differences of Fractions |
| Lesson 13: Fractional Measurements on Line Plots |
| Lesson 14: Problems about Fractional Measurement Data |
| Lesson 15: An Assortment of Fractions |
| Lesson 16: Tenths and Hundredths, Together |
| Lesson 17: Sums of Tenths and Hundredths |
| Lesson 18: Lots of Fractions to Add |
| Lesson 19:Flexible with Fractions (optional) |
| Lesson 20: Sticky Notes (optional) |
| Unit 4: From Hundredths to Hundred-thousands |
| Lesson 1: Decimal Numbers |
| Lesson 2: Equivalent Decimals |
| Lesson 3: Decimals on Number Lines |
| Lesson 4: Compare and Order Decimals |
| Lesson 5: Compare and Order Decimals and Fractions |
| Lesson 6: How much is 10,000? |
| Lesson 7: Numbers Within 100,000 |
| Lesson 8: Beyond 100,000 |
| Lesson 9: Same Digit, Different Value |
| Lesson 10: Ten Times As Much |
| Lesson 11: Large Numbers on a Number Line |
| Lesson 12: Compare Multi-digit Numbers |
| Lesson 13: Order Multi-digit Numbers |
| Lesson 14: Multiples of 10,000 and 100,000 |
| Lesson 15: The Nearest Multiples of 1,000, 10,000, and 100,000 |
| Lesson 16: Round Numbers |
| Lesson 17: Apply Rounding |
| Lesson 18: Standard Algorithm to Add and Subtract |
| Lesson 19: Compose and Decompose to Add and Subtract |
| Lesson 20: Add and Subtract Within 1,000,000 |
| Lesson 21: Zeros in the Standard Algorithm |
| Lesson 22: Solve Problems Involving Large Numbers |
| Lesson 23: Bees are Buzzing (optional) |
| Unit 5: Multiplicative Comparison and Measurement |
| Lesson 1: Times as Many |
| Lesson 2: Interpret Representations of Multiplicative Comparison |
| Lesson 3: Solve Multiplicative Comparison Problems |
| Lesson 4: Solve Multiplicative Comparison Problems with Large Numbers |
| Lesson 5: One- and Two-step Comparison Problems |
| Lesson 6: Ten Times as Many |
| Lesson 7: Meters and Centimeters |
| Lesson 8: Meters and Kilometers |
| Lesson 9: Grams and Kilograms, Liters and Milliliters |
| Lesson 10: Multi-step Measurement Problems |
| Lesson 11: Pounds and Ounces |
| Lesson 12: Hours, Minutes, and Seconds |
| Lesson 13: Multi-step Measurement Problems with Fractions |
| Lesson 14: Weight and Capacity Measurements |
| Lesson 15: Length Measurements |
| Lesson 16: Compare Perimeters of Rectangles |
| Lesson 17: More Perimeter Problems |
| Lesson 18: Two Truths and a Lie (optional) |
| Unit 6: Multiplying and Dividing Multi-digit Numbers |
| Lesson 1: Patterns that Grow |
| Lesson 2: Patterns that Repeat |
| Lesson 3: From Visual Patterns to Numerical Patterns |
| Lesson 4: Numerical Patterns |
| Lesson 5: Products Beyond 100 |
| Lesson 6: Multiply Two-digit Numbers and One-digit Numbers |
| Lesson 7: Multiply Three- and Four-digit Numbers by One-digit Numbers |
| Lesson 8: Multiply 2 Two-digit Numbers |
| Lesson 9: Recording Partial Products: One-digit and Three- or Four-digit Factors |
| Lesson 10: Using Algorithms with Partial Products: 2 Two-digit Numbers |
| Lesson 11: Partial Products and the Standard Algorithm |
| Lesson 12: Solve Problems Involving Multiplication |
| Lesson 13: Situations Involving Equal-size Groups |
| Lesson 14: Situations Involving Factors and Multiples |
| Lesson 15: Situations Involving Area |
| Lesson 16: Base-ten Blocks to Divide |
| Lesson 17: Base-ten Diagrams to Represent Division |
| Lesson 18: Divide with Partial Quotients |
| Lesson 19: Division With and Without Remainders |
| Lesson 20: Interpret Remainders in Division Situations |
| Lesson 21: Different Ways to Solve Problems |
| Lesson 22: Problems About Perimeter and Area |
| Lesson 23: Solve Problems with Many Operations |
| Lesson 24: Assess the Reasonableness of Solutions |
| Lesson 25: Paper Flower Decorations (optional) |
| Unit 7: Angles and Angle Measurement |
| Lesson 1: How Would You Describe These Figures? |
| Lesson 2: Points, Lines, Rays, and Segments |
| Lesson 3: Two or More Lines |
| Lesson 4: Points and Lines All Around |
| Lesson 5: What is an Angle? |
| Lesson 6: Compare and Describe Angles |
| Lesson 7: The Size of Angles on a Clock |
| Lesson 8: The Size of Angles in Degrees |
| Lesson 9: Use a Protractor to Measure Angles |
| Lesson 10: Angle Measurement and Perpendicular Lines |
| Lesson 11: Use a Protractor to Draw Angles |
| Lesson 12: Types of Angles |
| Lesson 13: Find Angle Measurements |
| Lesson 14: Reasoning about Angles (Part 1) |
| Lesson 15: Reasoning about Angles (Part 2) |
| Lesson 16: Guess the Figure (optional) |
| Unit 8: Properties of Two-dimensional Shapes |
| Lesson 1: Ways to Look at Figures |
| Lesson 2: Ways to Look at Triangles |
| Lesson 3: Ways to Look at Quadrilaterals |
| Lesson 4: Symmetry in Figures (Part 1) |
| Lesson 5: Symmetry in Figures (Part 2) |
| Lesson 6: All Kinds of Attributes (optional) |
| Lesson 7: Ways to Find Unknown Length (Part 1) |
| Lesson 8: Ways to Find Unknown Length (Part 2) |
| Lesson 9: Symmetry in Action (optional) |
| Lesson 10: Ways to find Angle Measurements (optional) |
| Unit 9: Putting It All Together |
| Lesson 1: Add, Subtract, and Multiply Fractions |
| Lesson 2: Sums and Differences of Fractions |
| Lesson 3: Stories with Fractions |
| Lesson 4: Another Look at the Standard Algorithm |
| Lesson 5: Multiplication of Multi-digit Numbers |
| Lesson 6: What’s the Quotient? |
| Lesson 7: Solve Multiplicative Comparison Problems |
| Lesson 8: Solve Problems with Multiplication and Division |
| Lesson 9: Create Word Problems |
| Lesson 10: Estimation Exploration |
| Lesson 11: Which One Doesn’t Belong? |
| Lesson 12: Number Talk |