Lesson 1: Understanding Addition

Lesson 2: Commutative and Associative Properties of Addition

Lesson 3: Using a Problem-Solving Plan

Lesson 4: Understanding Subtraction

Lesson 5: Addition and Subtraction Fact Families

Lesson 6: Problem-Solving: Finding Patterns

Lesson 7: Place Value and Expanded Notation

Lesson 8: Writing Whole Numbers Through Millions Using Words

Lesson 9: Writing Whole Numbers Through Millions Using Digits

Lesson 10: Comparing Whole Numbers

Lesson 11: Ordering Whole Numbers

Lesson 12: Rounding Whole Numbers

Lesson 1: Adding 2-Digit Numbers with Regrouping

Lesson 2: Adding Three 2-Digit Numbers with Regrouping

Lesson 3: Adding 3-Digit Numbers with Regrouping

Lesson 4: Adding Multi-Digit Numbers with Regrouping

Lesson 5: Estimating Sums

Lesson 6: Subtracting 2-Digit Numbers with No Regrouping

Lesson 7: Subtracting 2-Digit Numbers with Regrouping

Lesson 8: Subtracting 3-Digit Numbers with 1 Regrouping

Lesson 9: Subtracting 3-Digit Numbers with 2 Regroupings

Lesson 10: Subtracting 3-Digt Numbers with Zeros

Lesson 11: Solving Two-Step Problems Using the Problem-Solving Plan

Lesson 12: Estimating Differences

Lesson 13: Reasonableness and Estimation

Lesson 1: Meaning of Multiplication

Lesson 2: Multiplication Facts: 2, 5, and 10

Lesson 3: Multiplication Facts: 3, 4, and 6

Lesson 4: Multiplication Facts: 7, 8, and 9

Lesson 5: Properties of Multiplication

Lesson 6: Multiplying by a 1-Digit Number with No Regrouping

Lesson 7: Multiplying by a 1-Digit Number with Regrouping

Lesson 8: Multiplying by Multiples of 10

Lesson 9: Multiplying by a 2-Digit Number with No Regrouping

Lesson 10: Multiplying by a 2-Digit Number with Regrouping

Lesson 11: Understanding Division

Lesson 12: Multiplication and Division Fact Families

Lesson 13: Dividing by a 1-Digit Divisor with No Remainder

Lesson 14: Dividing by a 1-Digit Divisor with a Remainder

Lesson 15: Problem-Solving: Finding Patterns Using a Table

Lesson 16: Estimating Products and Quotients

Lesson 1: Understanding Decimals

Lesson 2: Reading and Writing Decimals

Lesson 3: Comparing and Ordering Decimals

Lesson 4: Rounding Decimals

Lesson 5: Adding Decimals with the Same Number of Decimal Places

Lesson 6: Adding Decimals with a Different Number of Decimal Places

Lesson 7: Estimating Decimal Sums

Lesson 8: Subtracting Decimals with the Same Number of Decimal Places

Lesson 9: Subtracting Decimals with a Different Number of Decimal Places

Lesson 10: Estimating Decimal Differences

Lesson 11: Counting Money and Making Change

Lesson 12: Problem-Solving: Using a Table

Lesson 1: Factors

Lesson 2: Greatest Common Factor

Lesson 3: Finding Multiples Using Skip Counting

Lesson 4: Fractional Parts of a Whole

Lesson 5: Fractional Parts of a Set

Lesson 6: Finding Equivalent Fractions

Lesson 7: Simplest Form of a Fraction

Lesson 8: Comparing Fractions

Lesson 9: Ordering Fractions

Lesson 10: Understanding Mixed Numbers

Lesson 11: Adding Fractions with Like Denominators

Lesson 12: Subtracting Fractions with Like Denominators

Lesson 13: Problem-Solving: Finding Patterns

Lesson 14: Adding Mixed Numbers with Like Denominators

Lesson 15: Subtracting Mixed Numbers with Like Denominators

Lesson 1: Points and Lines

Lesson 2: Angles

Lesson 3: Polygons

Lesson 4: Quadrilaterals

Lesson 5: Triangles

Lesson 6: Problem-Solving: Working Backward

Lesson 7: Circles

Lesson 8: Three-Dimensional Figures

Lesson 9: Congruent Figures

Lesson 10: Symmetry

Lesson 11: Coordinate Graphs

Lesson 12: Transformations

Lesson 1: Time

Lesson 2: Temperature

Lesson 3: Estimating Length Using Customary Units

Lesson 4: Measuring to the Nearest 1/2 Inch

Lesson 5: Estimating Length Using Metric Units

Lesson 6: Measuring to the Nearest 1/2 Centimeter

Lesson 7: Customary Units of Capacity

Lesson 8: Metric Units of Capacity

Lesson 9: Customary Units of Weight

Lesson 10: Metric Units of Weight

Lesson 11: Perimeter

Lesson 12: Area

Lesson 13: Problem-Solving: Working Backward

Lesson 14: Volume

Lesson 1: Frequency Tables

Lesson 2: Pictographs

Lesson 3: Bar Graphs

Lesson 4: Circle Graphs

Lesson 5: Line Graphs

Lesson 6: Mean and Median

Lesson 7: Mode and Range

Lesson 8: Possible Outcomes

Lesson 9: Predicting Outcomes

Lesson 10: Simple Probability and Sample Spaces

Lesson 11: Problem-Solving Using a Table