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Smithsonian Institution
Lexington and Concord: Historical Interpretation
Learners view and analyze three different images related to the Battle of Lexington and Concord. They also answer a variety of questions in a graphic organizer to help keep the information straight.
K20 LEARN
Scientific Reason Not Scientific Treason
Your new Day One lesson has arrived! Impress young scholars with your scientific super powers through an engaging lesson geared toward scientific thinking. Through a display of theatrics, you will debunk the scientific method as...
Teach Engineering
Rock and Boat
Present the class with a question on whether the water level of a pond will rise they take a large rock out of a boat and drop it into the pond. Groups come down on all sides of the question and try to justify their answers. The activity...
Center for Learning in Action
Gases
Explore the properties of gases through one activity and two investigations in which super scientists observe the changes gas makes when encountering different conditions.
Illustrative Mathematics
Adding Multiples
Mathematicians practice communicating why the sum of two multiples of a number results in another multiple of that number. Encourage learners to construct a viable argument by applying the distributive property or by drawing a diagram....
DataWorks
4th Grade Math: Multi-Step Word Problems
Solving word problems requires reading comprehension and math computation. Through an interactive slideshow presentation, fourth graders observe and follow each step toward solve multiplication and division word problems.
Curated OER
Ancient Aztecs
Is it a calendar? A religious symbol? A political statement? One thing for certain is that Aztec sun stone designs remain an important symbol in Mexican cultural art. Young artists craft their own Aztec Sun design incorporating ideas...