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National Security Agency
Time After Time
Save those precious minutes and hours spent planning math lessons with this mini-unit on telling time. Offering a series of engaging hands-on and collaborative learning activities, these three lessons teach children how to read...
CK-12 Foundation
Ck 12: Elem Math: Elapsed Time Finding the Start Time (Multiple Steps)
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve multi-step word problems by using elapsed time to calculate the starting time. Includes video demonstrating a sample...
CK-12 Foundation
Ck 12: Elem Math: Elapsed Time Finding the Ending Time (Single Step)
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are given the elapsed time and must calculate the time something ended, using the 24-hour format. Includes video demonstrating a...
CK-12 Foundation
Ck 12: Elem Math: Solving for Start Time End Time or Elapsed Time
[Free Registration/Login may be required to access all resource tools.] The video involves filling in a chart of start time, end time, and elapsed time describing how to add and subtract time in hour and minutes. The video is followed by...
CK-12 Foundation
Ck 12: Elem Math: Finding the Time With a Timeline
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must solve word problems involving elapsed time using a timeline. Includes video demonstrating a sample problem [0:52] and a set...
CK-12 Foundation
Ck 12: Elem Math: Determining Duration Time
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to solve multi-step word problems involving elapsed time. Includes video demonstrating a sample problem [1:28] and a set...
CK-12 Foundation
Ck 12: Elem Math: Determining Elapsed Time With Fractions
[Free Registration/Login may be required to access all resource tools.] For this learning module, students solve multi-step word problems involving time written in 24-hour format as well as fractions. Includes video demonstrating a...
CK-12 Foundation
Ck 12: Elem Math: Identifying Hourly Time Change
[Free Registration/Login may be required to access all resource tools.] Students attempt practice problems on identifying hourly time changes.
CK-12 Foundation
Ck 12: Elem Math: Determining Duration of Time One Step
[Free Registration/Login may be required to access all resource tools.] For this learning module, students solve word problems involving time written in 24-hour format. Includes video demonstrating a sample problem [0:38] and a set of...
CK-12 Foundation
Ck 12: Measurement: Addition and Subtraction With Time
[Free Registration/Login may be required to access all resource tools.] Find sums and differences of measurements of time by converting units.
E-learning for Kids
E Learning for Kids: Math: Living in the Mill: Time
On this interactive site students learn to read, interpret and use 24-hour time in real-life situations.
Khan Academy
Khan Academy: Time Differences (Within the Hour)
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...
Khan Academy
Khan Academy: Telling Time Word Problems (Within the Hour)
Solve a word problem to find the duration of an event. Both analog or digital clocks are included. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.