Khan Academy: Time Differences Example

Models how to find the difference between two analog clocks. The times are first determined, then the instructor counts up from the earlier clock to find how much time has passed. [4:02]

In this exercise, students practice determinging time differences. Students receive immediate feedback and have the opportunity to get step-by-step hints and try questions repeatedly. CCSS.Math.Content.3.MD.A.1 Tell and write time to the...

Practice finding the difference between times given on two analog clocks. Time differences cross over the hour. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice finding the difference between times given on two analog clocks. Each time difference is less than 60 minutes, and the hour hand stays on the same hour. Students receive immediate feedback and have the opportunity to try...

Lindsay from Khan Academy finds out how long it took to solve a puzzle when given the start and finish time. [1:29]

Sal Khan solves a word problem about travel time by using a number line. [4:08]

Use a number line to solve time word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Solve word problems to find what time an event occurred or how long an event lasted. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this video tutorial, Sal explains how to solve a word problem involving travel time. [4:08]

Lindsay from Khan Academy reads the time on unlabeled analog clocks to the nearest minute. [3:18]