

Chapter 1
| Meanings of
Addition (lesson 1-1) Using Doubles and Near Doubles (lesson 1-2) Using 10 to Add 7, 8, and 9 (lesson 1-3) Three Addends (lesson 1-4) Missing Addends (lesson 1-5) Meanings of Subtraction (lesson 1-6) |
Using
Doubles to
Subtract (lesson 1-7) Using Addition to Subtract (lesson 1-8) Write a Number Sentence (lesson 1-9) Fact Families (lesson 1-10) Names for Numbers (lesson 1-11) Using Data from a Graph (lesson 1-12) |
Chapter 2
| Ways to Show
Numbers (lesson
2-1) Number Patterns (lesson 2-2) Adding Tens (lesson 2-3) Counting On Tens (lesson 2-4) Breaking Apart to Add (lesson 2-5) Regrouping (lesson 2-6) Deciding When to Regroup (lesson 2-7) |
Adding
with
Regrouping (lesson 2-8) Adding Two-Digit Numbers (lesson 2-9) Two-Digit Addition (lesson 2-10) Find a Pattern (lesson 2-11) Ways to Add (lesson 2-12) Adding Three Numbers (lesson 2-13) Getting Data from a Table (lesson 2-14) |
Chapter 3
| Subtracting
Tens
(lesson
3-1) Counting Back by Tens (lesson 3-2) Deciding When to Regroup (lesson 3-3) Subtracting with Regrouping (lesson 3-4) Subtracting Two-Digit Numbers (lesson 3-5) Subtracting with Zero (lesson 3-6) Find a Pattern (lesson 3-7) |
Two-Digit
Subtraction (lesson
3-8) Ways to Subtract (lesson 3-9) Checking Subtraction with Addition (lesson 3-10) Mixed Addition and Subtraction (lesson 3-11) Choose the Operation (lesson 3-12) Range and Mode (lesson 3-13) |
Chapter 4
| Pennies,
Nickels, and Dimes (lesson
4-1) Quarters and Half Dollars (lesson 4-2) Make a List (lesson 4-3) Finding Values (lesson 4-4) Comparing Sets of Coins (lesson 4-5) Ways to Show Amounts (lesson 4-6) |
Dollars
(lesson 4-7) Using Dollars and Cents (lesson 4-8) Use Data from a Picture (lesson 4-9) Making Change (lesson 4-10) Adding and Subtracting Money (lesson 4-11) |
Chapter 5
| Time to the
Hour
and Half Hour (lesson
5-1) Time to the Quarter Hour (lesson 5-2) Time to Five Minutes (lesson 5-3) Use Logical Reasoning (lesson 5-4) Telling Time (lesson 5-5) |
A.M. AND P.M.
(lesson
5-6) Elapsed Time (lesson 5-7) Reading Schedules (lesson 5-8) Using a Calender (lesson 5-9) Equivalent Times (lesson 5-10) |
Chapter 6
| Patterns
with
Hundreds (lesson
6-1) Understanding Hundreds, Tens, and Ones (lesson 6-2) Understanding Three-Digit Numbers (lesson 6-3) One Thousand (lesson 6-4) Ways to Show Numbers (lesson 6-5) Understanding Place Value (lesson 6-6) |
Find a Pattern
(lesson
6-7) Comparing Numbers to 1,000 (lesson 6-8) Ordering Numbers to 1,000 (lesson 6-9) Rounding to the Nearest Hundred (lesson 6-10) Ordinal Numbers (lesson 6-11) Using Number Patterns (lesson 6-12) |
Chapter 7
Adding and
Subtracting Mentally (lesson
7-1)
Adding
Three-Digit
Numbers (lesson 7-2)
Three-Digit
Addition
(lesson 7-3)
Practicing
Addition
(lesson 7-4)
Subtracting
Three-Digit Numbers (lesson 7-5)
Subtracting
with
Zeros (lesson 7-6)
Practicing
Subtraction (lessons 7-7)
Estimating
to
Check Answers (lesson
7-8)
Act
It Out (lesson
7-9)
Adding
and
Subtracting Money (lesson 7-10)
Choosing
a
Computation Method (lesson 7-11)
Too
Much Information
(lesson 7-12)
Chapter
8
Understanding Length and
Height (lesson
8-1)
Inches
and Feet
(lesson 8-2)
Act
It Out (lesson
8-3)
Inches,
Feet, and
Yards (lesson 8-4)
Centimeters
and
Meters (lesson 8-5)
Understanding
Weight
(lesson
8-6)
Pounds
(lesson
8-7)
Grams and Kilograms
(lesson 8-8)
Understanding
Capacity (lesson
8-9)
Cups,
Pints, and
Quarts (lesson 8-10)
Liters
(lesson 8-11)
Temperature
(lesson
8-12)
Choosing
Reasonable
Answers (lesson 8-13)
Chapter
9
Solid Shapes
(lesson
9-1)
Faces,
Vertices, and
Edges (lesson 9-2)
Solid
Shapes and
Plane Shapes (lesson 9-3)
Vertices
and Sides
(lesson 9-4)
Slides,
Flips, and
Turns (lesson
9-5)
Congruent
Figures
(lesson
9-6)Making New
Shapes (lesson
9-7)
Perimeter
(lesson
9-8)
Make
a Graph (lesson
9-9)
Symmetry
(lesson
9-10)
Using
Pictographs
(lesson 9-11)
Chapter
10
Equal Parts
(lesson 10-1)
Understanding
Fractions to Fourths (lesson 10-2)
Fractions
to Eighths
(lesson 10-3)
Fractions
to
Twelfths (lesson 10-4)
Comparing
Unit
Fractions (lesson 10-5)
Working
with
Fractions (lesson 10-6)
Fractions
Equal
to One (lesson
10-7)
Equal Fractions
(lesson 10-8)
Fractions
of a Group
(lesson
10-9)
Finding
Fractions of a
Group (lesson
10-10)
Recording
Data from
a Survey (lesson 10-11)
Make
a Table (lesson
10-12)
Probability (lesson 10-13)
Chapter
11
Modeling
Multiplication (lesson
11-1)
Addition
and
Multiplication (lesson 11-2)
Using
Arrays (lesson
11-3)
Multiplying
Across
and Down (lesson 11-4)
Multiplying
in Any
Order (lesson 11-5)
Draw
a Picture
(lesson 11-6)Ways to Multiply
(lesson
11-7)
Multiplying
by 2
(lesson 11-8)
Multiplying
by 5
(lesson 11-9)
Multiplying
by 10
(lesson 11-10)
Multiple-Step
Problems
(lesson 11-11)
Chapter
12
Modeling
Division (lesson
12-1)
Division
as Sharing
(lesson 12-2)
Division
as Repeated
Subtraction (lesson 12-3)
Division
with
Remainders (lesson 12-4)
Write a Number
Sentence (lesson 12-5)
Practicing
Division
(lesson
12-6)
Relating
Multiplication (lesson 12-7)
Choose
the Operation
(lesson 12-8)