Curated OER
Fact Families
Fifth graders explore fact families. They solve simple math problems. Students determine which mathematical property is used to solve the given problem. They are given five minutes to complete as many mathematical facts as possible.
Curated OER
Breaking News English: 2005 was a Second Longer Than Usual
In this English worksheet, learners read "2005 was a Second Longer Than Usual," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.
Curated OER
People, Not Numbers: Bringing 12 Million into Personal Ter
Learners forge a compassionate link to the large numbers of people who were the victims of slavery as opposed to thinking of them simply in terms of numbers. They perform a math exercise to put the number of people in slavery into...
Curated OER
What If the Reef Dies?
Students complete four activities to investigate how reef ecology can change. They perform experiments to show how sewage discharge can affect a marine ecosystem, look at substances that don't dissolve in water, examine wave action...
Science Buddies
Science Buddies: Tick Tock, Does Your Mouse Know the Time on the Clock?
For this science fair project, you will build a device that records your nocturnal pet's activity by monitoring movement of its exercise wheel to see how it varies during the day and night. You can also experiment with various ways of...
Khan Academy
Khan Academy: Practice: Tell Time to the Nearest Minute
A practice quiz where students must record the time to the minute shown on analog clocks. Includes hints.
Utah Education Network
Uen: 2nd Grade Act. 04: What Time Is It?
Second graders will place hour and minute hanks on black clocks. Then studens will complete a "My Day" chart where students will record what they did during the times shown on their clocks.
Smithsonian Institution
National Museum of American History: On Time: Mechanizing Time
As the tempo of life accelerated and speed became a virtue, a horse-racing craze swept the nation. At the track, stopwatches made it possible to post winning times in quarter-seconds! In 1855, Lexington, the country's most famous horse,...
CK-12 Foundation
Ck 12: Biology: History of Life
[Free Registration/Login may be required to access all resource tools.] This comprehensive lesson by CK-12 explains how scientists learn about the past by examining and dating fossils.
Florida State University
Florida State University: Magnet Lab: Electric Meter 1872
The invention of the light bulb quickly created the need to track people's electricity usage. In 1872, Samuel Gardiner built the first simple power meter: a lamp with an attached clock that recorded the time the light was on.