Curated OER
Algebra: Mirror, Mirror on the Universe
Students assess how algebra, telescopes, space exploration and optics are so important in astronomy. They encounter studies on the Hubble Space Telescope, Hubble Deep Field and how algebra helps to determine the effects of contamination...
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Equations and Inequalities
Students in a college algebra class use graphs to solve inequalities. Using the coordinate graphing system, they represent the relationship between x and y intercepts. They practice solving equations with complex numbers and locate...
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Dimensional Space: Various Perspectives
Students use their understanding of 3D on 2D to make a representation of a 4D form on paper.
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Paper Airplanes
Students study paper airplanes. In this lesson on aerodynamics, students print out the folding directions for making paper airplanes and after making the planes test their paper airplanes to see how well each flies. Students weigh their...
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Whirligig Lesson
Students read a story. In this sequencing instructional activity, students read a story about a boy's journey across the country. Students discuss what happened and where he traveled. Students work in groups to create a timeline.
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Hot Wheels
Young scholars observe the action produced by toy cars. In this geometry lesson, students discuss motion and distance as they relate to the movement of a spherical object.They collect data and make conjectures based on their data.
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High School Mathematics Problems from Alaska: Writing an Equation: Altitude Range vs. Day in Barrow, Alaska
Students answer questions about the altitude range of the sun over time in Barrow, Alaska.
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The Truth About Triangles and Squares
Fourth graders investigate the patterns associated with both triangular and square numbers. They use counters as manipulatives to depict the numbers as needed but focus on problem solving using mental math techniques.
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Bubblegum balls
Students look for patterns to solve problems involving statistics using different colored gumballs. They should be able to look for and find out all the possible outcomes based upon inference and trials.