Recall
Set 1: Quick Check
Identify true Excel dates, calculate elapsed days, and explain the serial values behind dates.
Chapter plan
Chapter practice
10 activities · 80% mastery target
Recall
Identify true Excel dates, calculate elapsed days, and explain the serial values behind dates.
Guided application
Choose calendar or workday calculations, count inclusively, and interpret times as day fractions.
Hands-on
Calculate a due date and paid hours for common workplace schedules.
Independent check
Inspect imported date columns and resolve an ambiguous U.S. date before reporting.