5: Rational Number Arithmetic Last updated Jan 25, 2020 Save as PDF 4.4.1: Posing Percentage Problems 5.1: Interpreting Negative Numbers Page ID35004 Illustrative MathematicsOpenUp Resources ( \newcommand{\kernel}{\mathrm{null}\,}\) 5.1: Interpreting Negative Numbers5.1.1: Interpreting Negative Numbers5.2: Adding and Subtracting Rational Numbers5.2.1: Changing Temperatures5.2.2: Changing Elevation5.2.3: Money and Debts5.2.4: Representing Subtraction5.2.5: Subtracting Rational Numbers5.2.6: Adding and Subtracting to Solve Problems5.3: Multiplying and Dividing Rational Numbers5.3.1: Position, Speed, and Direction5.3.2: Multiplying Rational Numbers5.3.3: Multiply!5.3.4: Dividing Rational Numbers5.3.5: Negative Rates5.4: Four Operations with Rational Numbers5.4.1: Expressions with Rational Numbers5.4.2: Solving Problems with Rational Numbers5.5: Solving Equations When There Are Negative Numbers5.5.1: Solving Equations with Rational Numbers5.5.2: Representing Contexts with Equations5.6: Let's Put It to Work5.6.1: The Stock Market