Curated OER
Proof of Identity
Students explore trigonometric identities. In this Algebra II lesson, students use graphing to verify the reciprocal identities. Using Cabri Jr, students investigate the Pythagorean trigonometric identities and the geometric c proofs...
Illustrative Mathematics
Archimedes and the King's Crown
Learners will shout "Eureka!" in this quick but deep activity replicating the famous bathtub experiment of Archimedes. Given the scenario of a king with a suspected fake crown, young investigators develop formulas using density to...
PBS
Production
Class members investigate the different roles associated with video production. Then, they create a crash course booklet that details what they have learned about the different roles: video production, scouting locations and set up,...
Bowland
Speed Cameras
Do speed cameras help reduce accidents? Scholars investigate this question using a series of spreadsheet activities. Along the way, they learn about randomness, probability, and statistical analysis.
Virginia Department of Education
Attributes of a Rectangular Prism
A change is coming. Pupils use unit cubes to investigate how changes in the length, width, and/or height affects volume and surface area. They extend the results to write and test predictions on the effect of changing multiple sides on...
Colorado State University
Can it Really Rain Fish and Frogs?
You've heard of it raining cats and dogs ... but what about fish and frogs? It turns out, one scenario is much more likely than the other! Intrepid weather investigators examine the curious behavior of waterspouts using a leaf blower,...
Curated OER
Political Choices
Students, in small groups, investigate and present a strategy for waste management in their community using a simulation activity in which each group represents a sector of their community.
Curated OER
Jackie Chan and James Bond Movies
Students investigate similarities and differences between popular films made in Asia and those made in the West.
Curated OER
Noncombatancy and the Seventh day Adventist Church
Upper graders investigate how the Seventh Day Adventists are objectors to the practice of war. The lesson covers the Civil War and examines the church's position about the practice of war. The research extends to modern wars and learners...
Curated OER
It's Magic: Understanding the Roles, Responsibilities, and Requirements of Workers
Fifth graders investigate the world of work in relation to knowledge of self and to make informed career decisions. Then they break into groups to complete the training and education for two careers selected from a listing in the lesson....
Curated OER
Appalachia
Learners investigate the benefits of dance and participate in dances. In this dance lesson, students investigate a number of dances such as square dancing and clogging that are native to Appalachia. They use math concepts to determine...
Statistics Education Web
Using Dice to Introduce Sampling Distributions
Investigate the meaning of a sample proportion using this hands-on activity. Scholars collect data and realize that the larger the sample size the more closely the data resembles a normal distribution. They compare the sample proportion...
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some context to all...
Center for Learning in Action
Water—Changing States (Part 1)
Here is part one of a two-part lesson plan in which scholars investigate the changing states of water—liquid, solid, and gas. With grand conversation and up to three demonstrations, learners make predictions about what they think will...
Virginia Department of Education
Angles in Polygons
Polygons — it's all about the angles. Groups work with dynamic geometry software to find the sum of the measures of the angles of various polygons. After finding the information for several polygons, the groups generate a formula that...
Virginia Department of Education
Slope-2-Slope
Pupils build on previous experience with slope to investigate positive, negative, zero, and undefined slope. They complete a puzzle matching slope-intercept and standard forms of linear equations.
Virginia Department of Education
How Many Triangles?
Something for young mathematicians to remember: the sum of any two sides must be greater than the third. Class members investigates the Triangle Inequality Theorem to find the relationship between the sides of a triangle. At the same...
Virginia Department of Education
Special Right Triangles and Right Triangle Trigonometry
Right triangles are so special! Use special right triangles to discover the trigonometric ratios. Pairs construct special right triangles and find the values of the ratios of the sides. In the process, they discover the ratios stay the...
Virginia Department of Education
Powers of Ten
Investigate negative exponents of-ten. Pupils use the pattern of increasing powers of 10 to determine negative powers of 10. The scholars write the powers in expanded and product forms and make the connection to exponents using a...
Virginia Department of Education
Pick and Choose
Properly teach properties with three activities that allow learners to investigate properties of real numbers. The resource covers the identity properties for addition and multiplication, the inverse property for multiplication, and the...
American Statistical Association
More Confidence in Salaries in Petroleum Engineering
Making inferences isn't an exact science. Using data about salaries, learners investigate the accuracy of their inferences. Their analyses includes simulations and randomization tests as well as population means.
Curated OER
Does Mother Nature Know Best?
Investigate herbal medicine in the science or health classroom with this lesson from the New York Times. After a discussion about class members beliefs about and experiences with herbal medicines, pupils read an article that might impact...
Curated OER
What Can a Map Tell You?
Students investigate how maps can provide useful information about health issues. They study a map to draw conclusions about cholera death in London.
Curated OER
Indonesia: Riau Autonomy
Students investigate the economy of the Riau Province of Indonesia. They create a timeline, develop a chart to illustrate the economy, write an editorial about Indonesia's decentralization laws, and participate in a panel discussion.