Lesson Plan
Curated OER

Constructions Triangles

For Teachers 10th Standards
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...
Lesson Plan
Curated OER

Exploring the Centroid of a Triangle

For Teachers 9th - 12th Standards
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...
Lesson Plan
Curated OER

Inscribing a Circle in a Triangle

For Teachers 9th - 12th Standards
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...
Lesson Plan
Curated OER

Investigating Segments in a Triangle

For Teachers 9th - 12th Standards
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...
Lesson Plan
Curated OER

Investigating Segments in a Right Triangle

For Teachers 9th - 12th Standards
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...
Lesson Plan
Curated OER

Midsegments of a Triangle

For Teachers 9th - 12th Standards
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...
Lesson Plan
Curated OER

Measuring Angles in a Triangle

For Teachers 9th - 12th Standards
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...
Lesson Plan
Curated OER

Ratios in Right Triangles

For Teachers 9th - 12th Standards
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...
Lesson Plan
Curated OER

Properties of the Centers of a Triangle

For Teachers 9th - 12th Standards
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.
Lesson Plan
Curated OER

Triangle Inequality Theorem

For Teachers 9th - 12th Standards
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...
Lesson Plan
Curated OER

Reliving History Through Slave Narratives

For Teachers 5th - 8th
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. ...
Lesson Plan
Curated OER

A Treaty Tail: U.S. - Indian Treaty Councils in the Northwest

For Teachers 5th - 9th
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...
Lesson Plan
Curated OER

Mandalas, Polygons and Symmetry

For Teachers 9th - 11th
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...
Lesson Plan
Curated OER

Migrant Workers Through the Lens of Dorothea Lange

For Teachers 8th - 11th
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...
Lesson Plan
Curated OER

Language Arts: Conversing with an Object

For Teachers 7th - 12th
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...
Lesson Plan
Curated OER

Slip and Slide

For Teachers K - 2nd
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.
Lesson Plan
Curated OER

Israeli-Palestinian Peace Summit

For Teachers 9th - 12th
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...
Lesson Plan
Curated OER

How would an oil spill affect a Marine Sanctuary?

For Teachers 5th - 8th
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...
Lesson Plan
Curated OER

Comparing Shakespearean Film Adaptations

For Teachers All
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...
Lesson Plan
Curated OER

Building an Empire Mapping China

For Teachers 6th - 8th
Students create travel brochures of China's nine regions and make a bulletin board display with them.
Lesson Plan
Curated OER

Something Fishy Going On

For Teachers K - 2nd
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...
Lesson Plan
Curated OER

The Brain: Control Central

For Teachers 4th - 6th
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.
Lesson Plan
Curated OER

The Life Cycle of a Star

For Teachers 6th - 9th
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.
Lesson Plan
Curated OER

Planet Interiors

For Teachers 6th - 9th
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...