Unit 4: Addition and Subtraction of Fractions and Decimals

• Chapter 9: Number Theory and Fraction Concepts
  • Lesson 9.1 Prime and Composite Numbers
  • Lesson 9.2 Prime Factorization
  • Lesson 9.3 Greatest Common Factor
  • Lesson 9.4 Least Common Multiple
  • Lesson 9.5 Fractions and Mixed Numbers
  • Lesson 9.6 Equivalent Fractions and Simplest Form
  • Lesson 9.7 Problem-Solving Strategy: Use Logical Reasoning
  • Lesson 9.8 Relate Fractions, Mixed Numbers, and Decimals
  • Lesson 9.9 Compare and Order Fractions and Decimals
• Chapter 10: Add and Subtract Fractions
  • Lesson 10.1 Estimate With Fractions
  • Lesson 10.2 Add With Like Denominators
  • Lesson 10.3 Add Fractions With Unlike Denominators
  • Lesson 10.4 Add Mixed Numbers With Unlike Denominators
  • Lesson 10.5 Subtract With Like Denominators
  • Lesson 10.6 Subtract With Unlike Denominators
  • Lesson 10.7 Problem-Solving Strategy: Draw a Diagram
  • Lesson 10.8 Subtract Mixed Numbers With Unlike Denominators
• Chapter 11: Add and Subtract Decimals
  • Lesson 11.1 Explore Addition and Subtraction with Decimals
  • Lesson 11.2 Add Decimals
  • Lesson 11.3 Subtract Decimals
  • Lesson 11.4 Estimate Decimal Sums and Differences
  • Lesson 11.5 Problem-Solving Decision: Choose a Method