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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 lesson requires the use of Cabri, Jr.
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Similar Triangles and Proportions
Pupils investigate similar triangles and proportions as they make conjectures about the length of sides of similar triangles. For this lesson, have your class construct similar triangles using Cabri Jr so that they share a common vertex.
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Science Notebooks
Teachers can use science notebooks and other forms of writing to help students improve their understanding of scientific concepts.
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Identifying My Spider
Third graders navigate the Internet and research spiders. In this spider instructional activity, 3rd graders view photos of spiders and use their characteristics to determine the variety of spider. Students complete a spider data sheet.
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Angle Bisectors and Medians of Quadrilaterals
Young scholars investigate the properties of quadrilaterals formed by angle bisectors of a given quadrilateral and quadrilaterals formed by the medians of quadrilaterals. This Cabri Jr. lesson provides opportunity for conjecture and...
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Exploring California's Regions
Students participate in small groups to create a California's Region map. They research and identify the climate, geographic features, and one or two special features of their assigned region.
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Equations of Circles
Using Cabri Jr. high schoolers construct a circle and determine the equation of the circle they drew by finding the center and the radius. Students use the distance formula to derive the equation of their circle.
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Betweenness and the Sum of Parts
High schoolers differentiate lines and angles using betweenness in this geometry lesson. They differentiate angles and lines using Cabri Jr. and analyze the data and make conjecture.
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Angles and Transversals
Pupils explore the concept of angles and transversals. They construct parallel and non-parallel lines cut by a transversal using Cabri Jr. Learners then determine which angles are congruent and the relationship of angles when two lines...
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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...
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Slavery and the Underground Railroad
Third graders discover racism in our country by investigating the Internet. For this abolitionist movement lesson, 3rd graders define the Underground Railroad and participate in an activity by logging on to an on-line History website. ...
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Revealing Untold Stories
Students explore how and why various historical resources present information about slavery differently. They work in pairs to examine written texts to interpret the objectives, points of view, and depictions of slavery in these resources.
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Travel Agent Presentation
Students participate in a role play as an employee of a country's tourism bureau. They research their country using a variety of resources and create a travel brochure encouraging travel to their country.
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Banking for Your Future
Students get a handle on their own personal finances. They discover how banks work, how to plan and stick to a budget, and other helpful tips on managing money. They study the Federal Reserve System, which oversees the nation's banks.
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Exploring the Exponential Function
Learners collect and analyze data regarding exponential functions of the form y = abx. Students explore the affects of changing parameters on the graph of the function.
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Move My Way: A CBR Analysis of Rates of Change
Learners match a given velocity graph and sketch the corresponding position graph using a graphing calculator. After collecting data from their everyday life, learners use specific functions on their calculators to create graphs and...
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Differentiation
Learners explore estimated and exact results for derivatives, tangent lines, implicit differentiation, and symbolic differentiation. The lesson provides examples with solutions and practice problems.
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Investigating Area Relationships
Learners investigate the area of various figures. They construct triangles and quadrilaterals using Cabri Jr. and discuss the relationships between different angles, side lengths, and figures.
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Rotations in the Plane
Pupils investigate the properties of a rotation as they use technology (Cabri, Jr.) to observe the relationship between the pre-image and the image formed by the rotation. The lesson provides ample opportunity for learners to conjecture...
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Sequencing / Story Events
Students read a story and use sentence strips to order story events. In this sequencing lesson, students learn new vocabulary words centered around the story Cloudy With a Chance of Meatballs, preview the story, make predictions about...
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Rain Forest Research
Second graders explore the Rain Forest. In this research lesson, 2nd graders go online to gather information about Rain Forest animals. Students print and use the information to write about the many parts of the Rain Forest. Students are...
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Freckle Juice- Lesson 6
Students read Freckle Juice. In this comprehension lesson, students complete a story map and discuss cause and effect based on readings from Freckle Juice.
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Words, Words, Words
Second graders choose estimation strategies in real-world problem situations and explain the choice. They work in groups of five using three different estimation methods to find out how many words are on a page of text.
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Westward Movement/the Oregon Trail Using Power Point
Fifth graders research and examine the Westward Movement using a computer. they create their own word search from facts they discover in their research or while interacting with the Oregon Trail software. They create PowerPoint...