5: Rational Number Arithmetic Last updated Save as PDF Page ID 35004 Illustrative Mathematics OpenUp Resources 5.1: Interpreting Negative Numbers 5.1.1: Interpreting Negative Numbers 5.2: Adding and Subtracting Rational Numbers 5.2.1: Changing Temperatures 5.2.2: Changing Elevation 5.2.3: Money and Debts 5.2.4: Representing Subtraction 5.2.5: Subtracting Rational Numbers 5.2.6: Adding and Subtracting to Solve Problems 5.3: Multiplying and Dividing Rational Numbers 5.3.1: Position, Speed, and Direction 5.3.2: Multiplying Rational Numbers 5.3.3: Multiply! 5.3.4: Dividing Rational Numbers 5.3.5: Negative Rates 5.4: Four Operations with Rational Numbers 5.4.1: Expressions with Rational Numbers 5.4.2: Solving Problems with Rational Numbers 5.5: Solving Equations When There Are Negative Numbers 5.5.1: Solving Equations with Rational Numbers 5.5.2: Representing Contexts with Equations 5.6: Let's Put It to Work 5.6.1: The Stock Market