Curated OER
Constructions Triangles
Learners explore the difference between a construction and a drawing. They focus on various ways to construct different types of triangles. The lesson is an application of Cabri Jr. and reinforces the difference between a constructions...
Curated OER
Exploring the Centroid of a Triangle
Pupils examine the centroid of a triangle as they use Cabri Jr. to construct a triangle and its medians. The dynamic nature of the software allows learners to measure the lengths of the segments in the triangle and conjecture and verify...
Curated OER
Inscribing a Circle in a Triangle
Pupils investigate inscribing a circle in a triangle. They use Cabri Jr. to draw a triangle, locate the incenter, and use the distance from the incenter to a side of the triangle to inscribe a circle. The dynamic nature of the geometry...
Curated OER
Investigating Segments in a Triangle
Pupils investigate segments in a triangle by constructing a triangle using Cabri Jr. They construct segments within the triangle that lie on the midpoints of the triangle's sides. Learners then compare the slope of base of the triangle...
Curated OER
Investigating Segments in a Right Triangle
High schoolers explore the concept of right triangles as they construct a right triangle using Cabri Jr. Learners find the midpoint of the hypotenuse and construct a line from the midpoint to the vertex of the right angle. They then...
Curated OER
Midsegments of a Triangle
Students analyze midsegments of triangles in this lesson. They use Cabri Jr. software to observe the relationships between interior angles and midsegments of triangles. Specific instructions for creating this lesson in Cabri Jr. are...
Curated OER
Measuring Angles in a Triangle
High schoolers investigate the sum of the measures of the angles of a triangle. They draw a triangle and measure the interior angles. Using Cabri Jr., learners find the sum of the measures of the interior angles. The lesson provides an...
Curated OER
Ratios in Right Triangles
Learners calculate the sides of right triangles in this trigonometric ratios lesson plan. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The...
Curated OER
Properties of the Centers of a Triangle
High schoolers investigate properties of the four centers of a triangle and explore a special property of the circumcenter and orthocenter of a triangle. This instructional activity requires the use of Cabri, Jr.
Curated OER
Triangle Inequality Theorem
High schoolers investigate the relationship between angle measures and sides of a triangle and the relationships among the three sides of a triangle. The use of technology (Cabri, Jr.) allows learners to make and test conjectures as they...
Curated OER
Reliving History Through Slave Narratives
Students read slave narratives and retell the stories to the class, identifying sensory details. In this slavery lesson, students discuss the importance of sensory details, then read the slave narratives looking for specific examples. ...
Curated OER
A Treaty Tail: U.S. - Indian Treaty Councils in the Northwest
Students view a painting as a document to find out about the Indian Treaty Councils. For this artist's perspective lesson, students study the conflicts as shown in various pictures. Students answer questions about what they...
Curated OER
Mandalas, Polygons and Symmetry
Young scholars create a geometric pattern using mandalas, polygons and symmetry. In this geometry instructional activity, students analyze the mathematics involved in making the mandalas, including the shapes and symmetry. Young scholars...
Curated OER
Migrant Workers Through the Lens of Dorothea Lange
Students explore the lives of migrant workers during the Great Depression. In this Great Depression lesson, students examine photographs and song lyrics to gain an understanding of the conditions for people living in the era. Students...
Curated OER
Language Arts: Conversing with an Object
Students sharpen their creative writing skills by writing dialogues with unfamiliar objects while visiting local museums. They select an object in the museum, such as a painting, and create conversations between the people or animals...
Curated OER
Slip and Slide
Students explore the motion of common objects. They make predictions and record results for cars running down different surfaces: sandpaper, rubber, felt, smooth and observe how surface material affects movement.
Curated OER
Israeli-Palestinian Peace Summit
High schoolers examine the Israeli-Palestinian Peace Summit. In groups, they use the internet to research world leaders and discuss the peace process. To end the lesson, they present their findings along with issues that committees...
Curated OER
How would an oil spill affect a Marine Sanctuary?
Students explore the concept of environmental stewardship. In this science lesson, students discover how scientists assess damages to the environment following oil spills. Students conduct a simulation of a public meeting in order to...
Curated OER
Comparing Shakespearean Film Adaptations
Though this lesson deals specifically with Hamlet and its themes, many of the strategies and approaches here may be used with most any of Shakespeare's plays that have been adapted to film. Viewing clips of the same Shakespeare scene in...
Curated OER
Building an Empire Mapping China
Students create travel brochures of China's nine regions and make a bulletin board display with them.
Curated OER
Something Fishy Going On
Students create a video animation of how Swimmy gathered his fish friends together to form a great big fish that would frighten the predator tuna away. In art class each child create a small red fish which gets displayed in the ocean...
Curated OER
The Brain: Control Central
Students investigate the brain as the organ that regulates all of their physical, emotional, and cognitive responses. Some of the components of mental illness are examined inn this lesson.
Curated OER
The Life Cycle of a Star
Learners investigate the life cycle of a star through research. Once research is complete, students prepare posters and present findings to class. Flash animation is included to help learners visualize life cycle of star researching.
Curated OER
Planet Interiors
Students view cut-away images of the planets' interiors, comparing and contrasting them with the Earth's in written form. Students also classify each planet as "terrestrial" or "Jovian". The Planet Interiors applet on the CSA website...
