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Interactive
Curated OER

Calculate Time Intervals in 12 and 24 Hour Systems

For Students 4th
In this calculate time intervals in 12 and 24 hour systems learning exercise, 4th graders solve 4 time interval problems in a 12 hour system and 4 in a 24 hour system with immediate online feedback.
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Lesson Plan
Curated OER

Measurement and Estimation

For Teachers 4th - 5th
Students gain an understanding of time. For this time lesson, students work together to recognize the difference between yesterday, today, and tomorrow, As well as months, hours, minutes, and seconds. Students brainstorm ideas of ways...
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Worksheet
Curated OER

Calculate time intervals

For Students 2nd - 3rd
In this time intervals worksheet, students calculate time intervals from one time to another. Students calculate 10 time intervals.
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Lesson Plan
Scholastic

Scholastic: Max's Math Adventures: The Snowball

For Teachers 2nd - 4th Standards
Join Max and Ruthie on a snow day math adventure and see how many things can happen in just one day. Teachers will like this lesson's approach to experiencing and telling time. Use the teacher's guide, activity sheet, and extra...
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Activity
Exploratorium

Exploratorium: Your Age on Other Worlds

For Students 6th - 8th
How old would you be on Mars? Venus? Have fun plugging in your birthdate to see your age on other planets then read scroll down for a full explanation.
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Unit Plan
Scholastic

Scholastic: Study Jams! Math: Measurement: Using a Calendar

For Students 2nd - 5th
This site provides great practice on the concept of using a calendar and elapsed time. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Time Changes in 5 Minute Intervals With 2 Clocks

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems involving telling time with two clocks.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Finding the Difference Between Two Time Intervals

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video on finding the difference between two time intervals.
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Interactive
Exploratorium

Exploratorium: Your Age on Other Worlds

For Students 9th - 10th
Enter your birthday and find out how old you are on the other planets in the Milky Way Galaxy. Understand why our age is different on each planet.
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Activity
BusinessSpanish.com

Business spanish.com: La Hora: The Hour

For Students 9th - 10th
An online resource tool to help students understand how to tell time in Spanish. Numerous examples are given to aid in learning. Brief quizzes are given at the end of the lesson to test what you've learned. Bilingual.
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Lesson Plan
Alabama Learning Exchange

Alex: Cows on the Clock

For Teachers 3rd - 5th
In this lesson students will calculate elapsed time using the storybook Click, Clack Moo: Cows That Type by Doreen Cronin. Students will identify the time pasted between two given times in a.m. and p.m.
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Activity
University of Cambridge

University of Cambridge: Nrich: Wonky Watches

For Students 3rd - 5th
Sharpen your logic and time skills while working on this challenge. Solution available.
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Activity
University of Cambridge

University of Cambridge: Nrich: Take the Right Angle

For Students 3rd - 5th Standards
Sharpen your logic, time, and angle recognition skills while working on this challenge. The solution is available to double check your results. (Hint: Use the "90 degree" right angle button on the clock to check if something is a right...
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Activity
University of Cambridge

University of Cambridge: Nrich: 5 on the Clock

For Students 3rd - 8th
Use your math skills to solve this problem involving a digital clock face. Solution included.
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Activity
University of Cambridge

University of Cambridge: Nrich: How Many Times?

For Students 3rd - 5th
Sharpen your logic and digital clock-reading skills while working on this challenge. Solution available.
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Activity
University of Cambridge

University of Cambridge: Nrich: A Rod and a Pole

For Students 3rd - 8th
At this one page website work on this challenge using your very best problem solving skills to find a reasonable answer. Actually, there are a number of solutions. When you find yours check the website to see the solutions already listed.