This learning spreadsheet covers the concepts in the following chapters, as they were all included in one reading until GARP separated them into chapters in 2020:
Chapter 9: Pricing Conventions, Discounting, and Arbitrage
Chapter 10: Interest Rates
Chapter 11: Bond Yields and Return Calculations
Chapter 12: Applying Duration, Convexity, and DV01
Chapter 13: Modeling and Hedging Non-Parallel Term Structure Shifts