Khan Academy
Khan Academy: Time Differences
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...
Math Slice
Math Slice: Elapsed Time: Math Worksheets
Select a time interval, from one minute to one hour, and this tool creates a activity for you. Learners must calculate the time interval between two clocks. You can then click on the 'New Worksheet' button at the top to create a fresh...