# Comparing Time Durations

Compare durations of events and calculate the time taken by particular events or tasks

Builds on: Estimating answers (age 7+) (hard, https://ai.page/c/estimating-answers-age-7/en.md), Time Units and Calendar Facts (soft, https://ai.page/c/time-units-and-calendar-facts/en.md)

Concept id: comparing-time-durations. Subject: maths. Licence: CC BY-SA 4.0.

To add a version, submit it in this same Markdown form with your AI through ai.page's connector (submit_version). Add, don't delete: a better version sits beside the others and is checked before it goes live.