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Lesson Plan
Curated OER

Mathematics: A Picture's Worth a Thousand Words

For Teachers 9th - 12th
Students examine school yearbooks from 1950 to the present. They count the number of male and female teachers and administrators. They compile date and extrapolate changes in job trends.
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Worksheet
Curated OER

Calculate Time Intervals

For Students 3rd - 4th
In this time intervals worksheet, students look at and calculate time intervals. Students are given ten problems with two times. Students are to determine how much time has elapsed between the two times.
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Worksheet
Curated OER

Measuring Speed in the Universe

For Students 8th - 10th
In this measuring speed in the universe instructional activity, students use photographs of 3 astronomical phenomena including supernova explosions, coronal mass ejections and solar flare shock waves to find how fast they move. The...
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Worksheet
Curated OER

Time Intervals

For Students 9th - 12th
In this time intervals worksheet, high schoolers solve 8 problems where they determine the time gamma-ray bursts last, the time black hole micro-flares are emitted, the time coronal mass ejections travel and the days between lunar phases...
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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 worksheet, 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. In 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 the...
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Worksheet
Curated OER

Calculate time intervals

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