Table of Contents

Chapter 1 Place Value
 1 Place Value through Hundred Thousands
 2 Place Value through Millions
 3 Problem Solving Skill: Using the Four Steps Strategy
 4 Comparing Numbers
 5 Ordering Numbers
 6 Rounding Numbers
 7 Problem Solving Investigation: Choosing the Suitable Strategy

Chapter 2 Addition and Subtraction
 1 Algebra: Addition Properties and Subtraction Rules
 2 Estimating Sums and Differences
 3 Problem Solving Skill: Answers, Estimate or Exact
 4 Addition
 5 Subtraction
 6 Subtraction across Zeros

Chapter 3 Organizing, Displaying, and Interpreting Data
 1 Collecting and Organizing Data
 2 Problem Solving Strategy: Forming a Table
 3 Line Plots
 4 Bar Graphs
 5 Determining Possible Outcomes
 6 Probability

Chapter 4 Patterns and Algebra
 1 Numerical Sentences and Expressions
 2 Representing and Writing Numerical Sentences
 3 Problem Solving Strategy: Deductive Reasoning
 4 Finding a Rule from a Table
 5 Function Tables: Addition and Subtraction Tables
 6 Problem Solving Investigation: Choosing the Suitable Strategy
 7 Function Tables: Multiplication and Division Tables

Chapter 5 Multiplication by OneDigit Numbers
 1 Multiplication by Multiples of 10, 100, and 1 000
 2 Problem Solving Skill: Deciding the Reasonableness of the Answer
 3 Estimating Products
 4 Multiplying TwoDigit Numbers by OneDigit Numbers without Regrouping
 5 Multiplying TwoDigit Numbers by OneDigit Numbers with Regrouping
 6 Problem Solving Investigation: Choosing the Suitable Strategy
 7 Multiplying ThreeDigit Numbers by OneDigit Numbers

Chapter 6 Multiplication by TwoDigit Numbers
 1 Multiplying by Multiples of Ten
 2 Estimating Products
 3 Problem Solving Strategy: Representing the Problem
 4 Multiplying TwoDigit Numbers by TwoDigit Numbers
 5 Multiplying ThreeDigit Numbers by TwoDigit Numbers