Unit 2: Operations and Algebraic Reasoning

• Chapter 3: Add and Subtract Whole Numbers
  • Lesson 3.1 Addition Properties and Subtraction Rules
  • Lesson 3.2 Mental Math Strategies
  • Lesson 3.3 Estimate Sums and Differences
  • Lesson 3.4 Problem-Solving Decision: Estimate or Exact Answer
  • Lesson 3.5 Add Whole Numbers
  • Lesson 3.6 Subtract Whole Numbers
  • Lesson 3.7 Subtract Across Zeros
  • Lesson 3.8 Add and Subtract Greater Numbers
• Chapter 4: Multiplication and Division Basic Facts
  • Lesson 4.1 Multiplication Properties and Division Rules
  • Lesson 4.2 Relate Multiplication and Division
  • Lesson 4.3 Patterns in Multiplication and Division
  • Lesson 4.4 Multiplication and Division Facts to Five
  • Lesson 4.5 Multiplication and Division Facts to Ten
  • Lesson 4.6 Multiply and Divide With 11 and 12
  • Lesson 4.7 Multiply Three Factors
  • Lesson 4.8 Division With Remainders
  • Lesson 4.9 Problem-Solving Decision: Choose the Operation
• Chapter 5: Algebraic Reasoning
  • Lesson 5.1 Order of Operations
  • Lesson 5.2 Words Into Expressions
  • Lesson 5.3 Compare Expressions
  • Lesson 5.4 Variables and Equations
  • Lesson 5.5 Problem-Solving Strategy: Write an Equation
  • Lesson 5.6 Function Tables
  • Lesson 5.7 Problem-Solving Decision: Explain Your Solution