Unit 1: Whole Numbers, Decimals, and Algebra

• Chapter 1: Place Value: Addition and Subtraction
  • Lesson 1.1 Place Value
  • Lesson 1.2 Place Value and Powers of Ten
  • Lesson 1.3 Compare and Order Numbers
  • Lesson 1.4 Round and Estimate Numbers
  • Lesson 1.5 Problem-Solving Strategy: Find a Pattern
  • Lesson 1.6 Add and Subtract Whole Numbers and Decimals
  • Lesson 1.7 Variables and Expressions
  • Lesson 1.8 Use Addition Properties
  • Lesson 1.9 Problem-Solving Decision: Estimated or Exact Answer?
• Chapter 2: Multiply and Divide
  • Lesson 2.1 Estimate Products and Quotients
  • Lesson 2.2 Multiply Whole Numbers
  • Lesson 2.3 Divide by One-Digit Divisors
  • Lesson 2.4 Divide by Two-Digit Divisors
  • Lesson 2.5 Problem-Solving Strategy: Work Backward
  • Lesson 2.6 Use Multiplication Properties
  • Lesson 2.7 Order of Operations
  • Lesson 2.8 Use Mental Math to Solve Equations
  • Lesson 2.9 Problem-Solving Decision: Reasonable Answers
• Chapter 3: Number Theory
  • Lesson 3.1 Divisibility
  • Lesson 3.2 Prime and Composite Numbers
  • Lesson 3.3 Prime Factorization
  • Lesson 3.4 Greatest Common Factor
  • Lesson 3.5 Least Common Multiple
  • Lesson 3.6 Problem-Solving Decision: Explain Your Solution