Curated OER
Equations of Circles
Using Cabri Jr. students 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.
Curated OER
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.
Curated OER
Similar Triangles and Proportions
Pupils investigate similar triangles and proportions as they make conjectures about the length of sides of similar triangles. For this instructional activity, have your class construct similar triangles using Cabri Jr so that they share...
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
Comparing Data
Eighth graders create a survey, gather data and describe the data using measures of central tendency (mean, median and mode) and spread (range, quartiles, and interquartile range). Students use these measures to interpret, compare and...
Curated OER
Choreography Project
Students produce a short choreography composition. Specific guidelines and choice of music are provided. The grade/evaluation takes place in the form of video documentation and a teacher-created rubric.
Curated OER
Haunting Music
Students discover music that was inspired by the spooky and bizarre. In this music of Hector Berlioz and Camille Saint-Saens lesson, students identify elements of music and listen to the Symphonie Fantastique and Danse Macabre....
Curated OER
The Historical Development of Magnetism
Learners discuss the history and importance of magnets to the world. In this magnetism lesson, students write an essay of a world without magnets. Learners may research addition information to add details about uses of magnets.
Curated OER
Segments Formed by Intersectiong Chords, Secants, and Tangents
Learners investigate the properties of segments formed which chords, secants, and tangents, intersect. The dynamic nature of Cabri Jr. allows students to form and verify conjectures regarding segment relationships.
Curated OER
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...
Curated OER
Here's the Pitch
Students define pitch, measure varying amounts of water into containers, make predictions about the sounds made when striking the containers, put containers in order from highest to lowest pitch, and create their own sound patterns with...
Curated OER
Chops and Axes - A Jazz Talk Show
Students listen to, analyze, and describe music. They gain an understanding of music in relation to history and culture.
Curated OER
The Census
Students analyze why the census is important and the benefits of it. Determine rights and responsibilities in real life situations. They are divided into groups and take a mock census of a list of teachers and students each. Results of...
Curated OER
Jazz Dance and Music
Fourth graders write a poem. In this jazz music lesson, 4th graders learn about the basics of jazz dance and practice basic movements. Students learn common terminology and listen to several recordings of jazz music. Students create a...
Curated OER
Oceans: A Sensory Haiku
Students create an ocean haiku. In this haiku activity, students use their five senses to write a haiku. Students watch videos about the ocean, make a sensory portrait, and create a class haiku.
Curated OER
Interactive Timeline
Students examine the development of ragtime music and its relation to jazz. They participate in an online Interactive timeline and read about the history of ragtime music, listen to examples of music, and in small groups create short...
Curated OER
Where in the World? The Basics of Latitude and Longitude
Learners are introduced to the concepts of latitude and longitude. In groups, they identify the Earth's magnetic field and the disadvantages of using compasses for navigation. They identify the major lines of latitude and longitude on a...
Curated OER
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, students use specific functions on their calculators to create graphs and...
Curated OER
Construction Circles
Pupils investigate the number of points needed to determine a unique circle in a plane. Using Cabri Jr., they apply construction techniques to generate a circle that passes through a given number of points.
Curated OER
Perpendicular Bisector Theorem
High schoolers construct perpendicular bisectors using Cabri Jr. on their graphing calculator. They then construct conditional statements about perpendicular bisectors along with their converse, inverse, and contrapositive.
Curated OER
Shortest Distance Between Points and Lines
Learners use technology to determine the shortest between two points in a plane. They are required to support their analytic explanations with visual illustrations.
Curated OER
Constructing Quadrilaterals
High schoolers investigate quadrilateral construction in this geometry lesson. They use Cabri Jr. to construct the different quadrilaterals from the quadrilateral hierarchy given minimal definitions. The lesson reinforces the difference...
Curated OER
Ratios in Right Triangles
Learners calculate the sides of right triangles in this trigonometric ratios lesson. 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 provided...
Curated OER
Slope Fields
Students create and analyze slope fields. In this calculus lesson, students create a visual of differential equations. They use the Ti Navigator to create slope fields.