

Chapter 1
| Reading and
Writing Four-Digit Numbers (lesson 1-1) Rounding to the Nearest Ten and Hundred (lesson 1-2) Rounding Larger Numbers (lesson 1-3) Exact Numbers or Estimates (lesson 1-4) Comparing and Ordering Numbers (lesson 1-5) |
Use Logical
Reasoning (lesson 1-6) Extended Place -Value Concepts (lesson 1-7) Counting Coins and Bills (lesson 1-8) Using Money (lesson 1-9) |
Chapter 2
| Relating
Addition and Subtraction (lesson
2-1) Too Much or Too Little Information (lesson 2-2) Estimating Sums (lesson 2-3) Adding Two- and Three- Digit Numbers (lesson 2-4) Adding Greater Numbers (lesson 2-5) Make a Table (lesson 2-6) Estimating Differences (lesson 2-7) |
Subtracting
Two- and
Three- Digit Numbers (lesson 2-8) Subtracting Greater Numbers (lesson 2-9) Subtracting Across Zeros (lesson 2-10) Mental Math Strategies (lesson 2-11) Using a Bar Graph (lesson 2-12) Expressions with Addition and Subtraction (lesson 2-13) Equations with Addition and Subtraction (lesson 2-14) |
Chapter 3
| Elapsed Time
(lesson
3-1) Exact Numbers or Estimates (lesson 3-2) Using Customary Units of Length (lesson 3-3) Using Customary Capacity (lesson 3-4) Using Ounces and Pounds (lesson 3-5) Work Backward (lesson 3-6) |
Using Metric
Units
of Length (lesson 3-7) Using Milliliters and Liters (lesson 3-8) Using Grams and Kilograms (lesson 3-9) Temperature (lesson 3-10) Using Measurement (lesson 3-11) |
Chapter 4
| Relating
Multiplication and Addition (lesson
4-1) Using Arrays (lesson 4-2) Reasonable Answers (lesson 4-3) Multiplying by 2 (lesson 4-4) Multiplying by 5 (lesson 4-5) Multiplying by 3 (lesson 4-6) |
Multiplying
by
4 (lesson 4-7) Make a List (lesson 4-8) Multiplying by 1 or 0 (lesson 4-9) Input/Output Tables (lesson 4-10) Using Data (lesson 4-11) |
Chapter 5
| Making Arrays
(lesson
5-1) Multiplying by 6 (lesson 5-2) Multiplying by 8 (lesson 5-3) Too Much or Too Little Information (lesson 5-4) Multiplying by 7 (lesson 5-5) Multiplying by 9 (lesson 5-6) Multiplying by 10 (lesson 5-7) |
Choose a
Strategy
(lesson 5-8) Multiplying Three Numbers (lesson 5-9) Expressions with Multiplication (lesson 5-10) Missing Factors (lesson 5-11) Inequalities (lesson 5-12) Using a Pictograph (lesson 5-13) |
Chapter 6
| Relating
Multiplication and Division (lesson
6-1) Dividing by 2 (lesson 6-2) Dividing by 3 (lesson 6-3) Multistep Problems (lesson 6-4) Dividing by 4 (lesson 6-5) |
Dividing by 5
(lesson
6-6) Write a Number Sentence (lesson 6-7) 0 and 1 in Division (lesson 6-8) Using Money (lesson 6-9) |
Chapter 7
| Dividing by 6
(lesson
7-1) Dividing by 7 (lesson 7-2) Choose the Operation (lesson 7-3) Dividing by 8 (lesson 7-4) Dividing by 9 (lesson 7-5) |
Dividing by
10
(lesson 7-6) Make a Table (lessons 7-7) Find Missing Numbers (lesson 7-8) Using Operations (lesson 7-9) |
Chapter 8
| Plane Figures
(lesson 8-1) Lines, Segments, Rays, and Angles (lesson 8-2) Classifying Triangles Using Angles (lesson 8-3) Classifying Triangles Using Sides (lesson 8-4) Quadrilaterals (lesson 8-5) Spatial Reasoning (lesson 8-6) Congruent Figures (lesson 8-7) |
Slides,
Flips, and
Turns (lesson 8-8) Find a Pattern (lesson 8-9) Perimeter (lesson 8-10) Area (lesson 8-11) Using Symmetry (lesson 8-12) Solid Figures (lesson 8-13) Volume (lesson 8-14) |
Chapter 9
| Mental Math:
Multiplication Patterns (lesson
9-1) Choose the Operation (lesson 9-2) Estimating Products (lesson 9-3) Multiplying Two-Digit Numbers (lesson 9-4) |
Solve a
Simpler
Problem (lesson
9-5) Multiplying Three-Digit Numbers (lesson 9-6) Multiplying Greater Numbers (lesson 9-7) Using Money (lesson 9-8) |
Chapter 10
| Dividing
with
Remainders (lesson 10-1) Interpreting Remainders (lesson 10-2) Mental Math: Division Patterns (lesson 10-3) Estimating Quotients (lesson 10-4) Dividing Two-Digit Numbers (lesson 10-5) |
Dividing
Greater
Numbers (lesson 10-6) Choose a Strategy (lesson 10-7) Dividing Money (lesson 10-8) Using Operations (lesson 10-9) |
Chapter 11
| Fractions
as
Parts of a Whole (lesson
11-1) Finding Equivalent Fractions (lesson 11-2) Comparing and Ordering Fractions (lesson 11-3) Fractions as Parts of a Set (lesson 11-4) Reasonable Answers (lesson 11-5) Adding and Subtracting Fractions with Like Denominators (lesson 11-6) Adding and Subtracting Fractions with Unlike Denominators (lesson 11-7) |
Understanding
Mixed
Numbers (lesson 11-8) Draw a Picture (lesson 11-9) Decimals in Tenths (lesson 11-10) Decimals in Hundredths (lesson 11-11) Comparing and Ordering Decimals (lesson 11-12) Adding and Subtracting Decimals (lesson 11-13) Using Money (lesson 11-14) |
Chapter 12
| Organizing
Data
(lesson
12-1) Is an Estimate Enough? (lesson 12-2) Line Plots (lesson 12-3) Reading Graphs with Ordered Pairs (lesson 12-4) Make a Graph (lesson 12-5) |
Understanding
Probability (lesson
12-6) Listing Outcomes (lesson 12-7) Displaying Probability Data and Making Predictions (lesson 12-8) Fair and Unfair Games (lesson 12-9) |