Lesson Plan
Curated OER

Measuring Angles in a Quadrilateral

For Teachers 9th - 12th Standards
High schoolers explore quadrilaterals in this geometry lesson. 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 Cabri Jr. allow...
Lesson Plan
Curated OER

An "Average" Golf Score

For Teachers 9th
Ninth graders investigate mean, median, and mode.  In this mean, median, and mode lesson, 9th graders research gold data for the top ten scores in two golf tournaments.  Students make tables and graphs of the data. ...
Lesson Plan
Curated OER

Points on a Line

For Teachers 9th - 12th Standards
How do you find slope? You use points on a line of course. slope. Teach your class how to calculate and differentiate between horizontal and vertical lines. They are sure to be pros at graphing lines on a coordinate plane by the end of...
Lesson Plan
Curated OER

Circumscribing a Circle About a Triangle

For Teachers 9th - 12th Standards
Pupils circumscribe a circle about a triangle. They construct a triangle using Cabri Jr and then circumscribe it. They then use knowledge of perpendicular bisectors and circumcenters to locate the center of the circle and then...
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

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

Exploring the Circumcenter of a Triangle

For Teachers 9th - 12th Standards
Students construct the circumcenter of a triangle. In this constructing the circumcenter of a triangle lesson plan, students construct a triangle using Cabri Jr. Students draw perpendicular bisectors of the sides of the triangle....
Lesson Plan
Curated OER

Perpendicular Bisector of a Line Segment

For Teachers 9th - 12th Standards
High Schoolers investigate the perpendicular bisector of a line segment. They use Cabri Jr. to construct the perpendicular bisector of a segment. The dynamics capabilities of Cabri Jr. allow your learners to observe the lengths of the...
Lesson Plan
Texas Instruments

Investigating Segments in a Quadrilateral

For Teachers 9th - 12th Standards
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 instructional...
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...
Worksheet
Curated OER

Graphing Functions

For Students 9th - 12th
In this graphing functions worksheet, students write functions in logarithmic and exponential forms.  They evaluate logarithms and determine the inverse of a function.  Students graph functions.  This six-page worksheet...
Worksheet
Curated OER

Calculate Rates Using Appropriate Units

For Students 9th - 11th
In this Algebra I/Algebra II activity, students solve verbal problems in which they calculate the indicated rate and choose the appropriate unit of measurement.  The three page activity contains a combination of nineteen multiple...
Lesson Plan
Curated OER

Solving Systems using Elimination

For Teachers 9th - 12th Standards
Using elimination to find the point of intersection of two lines, students learn to solve systems of equation. They graph their solutions and use the TI to verify the solution.
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

Garden Grid

For Teachers 2nd - 6th Standards
Basically, your class reads about different garden plants from an included handout and seed packets that you provide, and then uses a grid to plan out where to place the plants. They can practice counting with the seeds, grouping,...
Lesson Plan
Curated OER

Graphing Calculators

For Teachers 9th - 10th
Students explore how to use graphing calculators.
Lesson Plan
Curated OER

Computer Graphing Calculator Explorations

For Teachers 9th - 12th
Pupils explore the graphing calculator feature on the Macintosh computer to explore some "parent" functions and their translations, combinations, and composites.
Lesson Plan
Curated OER

Graphing Parabolas and Circles

For Teachers 9th - 11th
Students graph parabolas and circles. In this algebra lesson plan, students create a table of values and graph the coordinate pairs to create a graph. They graph a circle using the radius and center.
Lesson Plan
Curated OER

Coordinate Graphs, Translations and Reflections

For Teachers 7th - 8th
Young scholars perform translations and reflections. For this algebra lesson, students use the TI calculator to graph functions. They move the functions around on the coordinate plane using translation and reflection.
Lesson Plan
Curated OER

Using Symmetry to Find the Vertex of a Parabola

For Teachers 9th - 12th Standards
Learners engage in a lesson that is about finding the vertex of a parabola while using symmetry. They use the symmetry to find out where the two lines meet. The line is displayed with the help of a graphing calculator. The lesson...
Lesson Plan
Curated OER

A Cylinder Workshop

For Teachers 7th - 10th
Students work with given formulas to solve for specific variables. The calculation of the volume of a cylinder and the change in volume when there is a constant surface area is analyzed in this lesson plan.
Worksheet
Curated OER

A.P. Calculus BC Section II, Part A and Part B

For Students 12th - Higher Ed
In this A.P. Calculus BC worksheet. students solve six practice problems.  A graphing calculator is required on the first three questions and not allowed on the next three.  Directions are provided.
Lesson Plan
Curated OER

Solving Quadratic Equations by Graphing

For Teachers 9th - 10th
Learners solve quadratic equation by graphing. In this algebra instructional activity, students use the TI calculator to get a visual of their graph. They create a table of values, plot their points and graph the parabola.