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Exponential Decay
Students study exponential decay and its application to radiocarbon dating. In this exponential decay instructional activity, students use candy to model the time it takes for something to decay. Students also graph the data they collect...
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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...
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Measuring Angles in a Quadrilateral
High schoolers explore quadrilaterals in this geometry instructional activity. They will draw a quadrilateral, measure the angles, and find the sum of the measures of the interior angles using Cabri Jr. The interactive capabilities of...
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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 instructional activity provides ample opportunity for...
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Angles of a Triangle
Learners explore the measures of the angles of a triangle in this geometry lesson. They use Cabri Jr. to investigate the sum of the measures of the interior angles of a triangle, and examine the relationships between the interior and...
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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 plan 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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NJ HSPA Cluster 4
Pupils engage in a lesson that is focused upon helping them to complete exercises used to prepare for the High School Proficiency Assessment. They look at the patterns seen in algebraic problems and focus upon the cluster areas of...
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Physics
In this velocity lesson students complete a series of multiple choice and short answer questions on altitude, velocity and energy.
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Is the Slope Legal?
Students define parallel and perpendicular lines. In this algebra lesson, students relate the concept of parallel and perpendicular lines to the real world. They classify the lines based on their slopes.
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Coming Clean About Showering Time
Learners measure objects using the Cabri Jr. application in this technology lesson. Your class will explore the TI-83 and 84 incorporated with Cabri Jr. to solve business related problems. This is a technology based lesson.
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NUMB3RS Activity: Regular Ploygon Centroids
Students investigate geo-profiling. In this secondary mathematics lesson, students use geo-profiling to determine the most probable location of a criminal. Students find the centroid of a polygon where the vertices represent crime...
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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...
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The Effect of Acid Rain on Limestone
Pupils investigate the pH of rain water in this earth science lesson. They collect rain water from their area and explore the pH when lime stone is added, then they will use the data collected to conjecture as to the effect of acid rain...
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Exploring the Circumcenter of a Triangle
Students construct the circumcenter of a triangle. In this constructing the circumcenter of a triangle lesson, students construct a triangle using Cabri Jr. Students draw perpendicular bisectors of the sides of the triangle. Students...
Texas Instruments
Investigating Segments in a Quadrilateral
Investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral. In this properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral lesson, learners use...
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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 plan is an application of Cabri Jr. and reinforces the difference between a...
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Investigating Lengths of Segments in a Triangle
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...
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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...
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What are Fractals?
Middle and high schoolers identify and analyze fractals and research information using the Internet to locate information about them. They look at fractals in relation to nature and other real world situations. Pupils create several...
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Tech Algebra: A Statistics Study
Students use the internet to gather a minimum of thirty pieces of data. Students create box and whisker graphs, and stem and leaf plots from the information. They calculate mean, median, mode, and range. Students write a summary and...
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2 x 2
Students work together to grid a 2 x 2 meter unit using the formula for the Pythagorean Theorem. After creating the grid, they identify the location of artifacts and create a map of their location. They develop a graph and table of their...
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Univariate Data Analysis
Students use given data to compare baseball players. They create box and whisker plots to compare the players and determine which they feel is the best player. Students use calculators to make box and whisker plots. They write paragraphs...
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The Calculus Whiz Who Owned a Box Company
Students use the relationship between volume and surface area to construct a box out of a piece of paper that maximizes volume using a table and by using graphing and calculus techniques.