Lesson 1: Basic Facts Through Sums of 18

Lesson 2: Using a Problem-Solving Plan

Lesson 3: Place Value

Lesson 4: Odd and Even Numbers

Lesson 5: Expanded Notation

Lesson 6: Writing Whole Numbers Using Words

Lesson 7: Writing Whole Numbers Using Digits

Lesson 8: Using a Number Line

Lesson 9: Comparing Whole Numbers

Lesson 10: Ordering Whole Numbers

Lesson 11: Problem-Solving: Using Logical Reasoning

Lesson 12: Rounding Whole Numbers

Lesson 13: Problem-Solving: Finding Patterns

Lesson 1: Properties of Addition

Lesson 2: Adding Three 1-Digit Numbers

Lesson 3: Adding 2-Digit Numbers with No Regrouping

Lesson 4: Adding 2-Digit Numbers with Regrouping

Lesson 5: Adding Three 2-Digit Numbers with No Regrouping

Lesson 6: Adding Three 2-Digit Numbers with Regrouping

Lesson 7: Adding 3-Digit Numbers with No Regrouping

Lesson 8: Adding 3-Digit Numbers with Regrouping

Lesson 9: Adding Multi-Digit Numbers with Regrouping

Lesson 10: Estimating Sums

Lesson 11: Reasonableness and Estimation

Lesson 1: Understanding Subtraction

Lesson 2: Addition and Subtraction Fact Families

Lesson 3: Missing Numbers in Addition and Subtraction Sentences

Lesson 4: Problem-Solving: Choosing an Operation

Lesson 5: Subtracting 2-Digit Numbers with No Regrouping

Lesson 6: Problem-Solving: Using a Table

Lesson 7: Subtracting 3-Digit Numbers with No Rgrouping

Lesson 8: Subtracting 2-Digit Numbers with Regrouping

Lesson 9: Subtracting 3-Digit Numbers with 1 Regrouping

Lesson 10: Subtracting 3-Digit Numbers with 2 Regroupings

Lesson 11: Estimating Differences

Lesson 1: Understanding Multiplication

Lesson 2: Multiplying Using Doubles

Lesson 3: Skip Counting

Lesson 4: Problem-Solving: Finding Patterns

Lesson 5: Multiplication Facts: 0 and 1

Lesson 6: Multiplication Facts: 5 and 10

Lesson 7: Multiplication Facts: 2 and 3

Lesson 8: Multiplication Facts: 4 and 6

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

Lesson 10: Properties of Multiplication

Lesson 11: Multiplying with Multiples of 10

Lesson 12: Multiplying by a 1-Digit Number with No Regrouping

Lesson 13: Multiplying by a 1-Digit Number with Regrouping

Lesson 1: Understanding Division

Lesson 2: Division Facts: 1, 2, and 5

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

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

Lesson 5: Multiplication and Division Fact Families

Lesson 6: Dividing a 2-Digit Dividend by a 1-Digit Divisor

Lesson 7: Problem-Solving: Working Backward

Lesson 8: Understanding Fractions

Lesson 9: Naming Fractional Parts of a Set

Lesson 10: Understanding Equivalent Fractions

Lesson 11: Comparing Fractions

Lesson 12: Fractions on the Number Line

Lesson 13: Ordering Fractions

Lesson 14: Adding Fractions with Like Denominators

Lesson 15: Subtracting Fractions with Like Denominators

Lesson 16: Problem-Solving: Using Patterns and Tables

Lesson 1: Understanding Decimals

Lesson 2: Reading and Writing Decimals

Lesson 3: Comparing Decimals

Lesson 4: Ordering Decimals

Lesson 5: Counting and Naming Money

Lesson 6: Making Change

Lesson 7: Adding Decimals with the Same Number of Decimal Places

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

Lesson 9: Problem-Solving: Using Patterns

Lesson 10: Problem-Solving: Using a Table

Lesson 1: Mean

Lesson 2: Median

Lesson 3: Frequency Tables

Lesson 4: Pictographs

Lesson 5: Bar Graphs

Lesson 6: Line Graphs

Lesson 7: Problem Solving: Using a Table

Lesson 8: Understanding Probability

Lesson 9: Time

Lesson 10: Customary Temperature

Lesson 11: Customary Capacity

Lesson 12: Customary Weight

Lesson 13: Customary Length

Lesson 14: Measuring and Estimating Length Using Customary Units

Lesson 15: Metric Length

Lesson 16: Measuring and Estimating Length Using Metric Units

Lesson 1: Points and Lines

Lesson 2: Angles

Lesson 3: Problem-Solving: Using Logical Reasoning

Lesson 4: Triangles

Lesson 5: Quadrilaterals

Lesson 6: Circles

Lesson 7: Congruent Figures

Lesson 8: Symmetry

Lesson 9: Solids

Lesson 10: Coordinate Grids

Lesson 11: Perimeter

Lesson 12: Area of Rectangles and Squares