Curated OER
Angle-Side Relationships
Students investigate triangles and their angle-side relationship. In this geometry lesson, students identify the property of the triangles and use it to solve the problem correctly. They use the TI to graph their triangles.
Curated OER
Triangle Inequality Theorem
Learners identify properties of triangles. In this geometry lesson plan, students create triangles using three different segments. They make conjectures and predictions.
Curated OER
Tangents to a Circle
Young scholars construct tangent lines. In this geometry lesson, students identify the point of tangency, secant and tangent lines. They graph the lines on the Ti and make observations.
Curated OER
Drawing Regular Polygons
Learners investigate properties of regular polygons. In this geometry lesson, your class will use a graphing calculator and parametric equations to construct regular polygons and investigate the relationship between the measure of...
Curated OER
Incenter of a Triangle
Tenth graders explore the properties of the incenter of a triangle. In this geometry lesson, 10th graders construct a triangle and the angle bisectors of each angle. The dynamic properties of Cabri Jr. allow students to locate and...
Curated OER
Finding Patterns and Graphing Functions
Students investigate patters for area and perimeter. In this Algebra I/Geometry lesson, students explore two different patterns as they write a formula for the nth term of each pattern. Students graph their results and determine if the...
Curated OER
Trains in Motion
Students compare two object as they find the distance between them. In this geometry lesson, students create an equation describing the distance of time as a function. They use the navigator to observe the distance.
Curated OER
Exploring Areas of Irregular Polygons
Students solve for the area of different polygons. In this geometry lesson, students identify and differentiate between regular and irregular polygons. They use properties of irregular polygons to solve problems.
Curated OER
Fixed Perimeter Rectangle
Teach how to solve for the area and perimeter of rectangles. In this geometry lesson, learners are given fixed perimeter rectangles and asked to find the area and side length of the rectangles. they draw their rectangle on the navigator...
Curated OER
Intersecting Lines and Segments of Measures
Mathematicians measure intersecting lines-and circles, and create chords. In this geometry lesson, students explore interrior and exterior chords created by tangent and secant lines. These segments can be inside the circleor outside the...
Curated OER
Evaluating the Products of Chords of a Circle
Students investigate chords and make predictions. In this geometry lesson plan, students graph circles and calculate the measurement of each chord. They perform the calculations and make conjectures.
Curated OER
Cabri Jr. - Getting Started with Triangles
High schoolers explore a basic triangle construction. In this beginning geometry lesson, students investigate the steps to necessary to create an equilateral triangle with Cabri Jr.;
Curated OER
"A Slice of the Cone"
Here is a set of lessons that explore conics in a number of different ways. Starting with modeling how a conic is produced by the way a plane cuts the cone, to solving complex word problems, algebra learners progress through a series of...
Curated OER
Discovering Conic Sections in the Motion of Heavenly Bodies
Math scholars study conics and how they are used today. In this mathematical lesson, pupils construct and slice cones after viewing a demonstration.
Curated OER
Dilations in the Plane
Tenth graders investigate dilations and explore the dilation transformation before investigating the properties of a dilation using Cabri Jr. High schoolers extend the concept of dilatation to the coordinate plane.
Curated OER
Proof of the Pythagorean Theorem Using Transformations
Middle and high schoolers construct a triangle using Cabri Jr. They construct squares on each of the legs and hypotenuse of the triangle. Pupils show that the area of the squares on the leg equal the area of the square on the hypotenuse.
Curated OER
Similarity and Dilations - Discover Properties of Similar Figures
Learners investigate properties of similar figures. In this properties of similar figures lesson, pupils construct similar figures using Cabri Jr. They dilate their figure to create a similar one, and discuss the relationships between...
Texas Instruments
Changing Functions
Your algebra 2 learners show what they can do in this assessment activity on shifting, reflecting, and stretching graphs. Given the graphs of various functions, they write the represented equation.
Texas Instruments
Drawing a Line Tangent to a Circle
Explore lines tangent to a circle. In this math lesson plan, high schoolers manipulate circles and lines on a TI calculator. They draw a circle and analyze perpendicular lines intersecting the circle in only one place. This activity...
Texas Instruments
Complex Numbers: Plotting and Polar Form
Explore the concept of, and use the Ti-Nspire to, convert complex numbers into polar form. Then practice graphing complex numbers in the polar coordinate plane.
Curated OER
The Kangaroo Conundrum: A Study of a Quadratic Function
Pupils play a game and collect data for their graph. For this algebra lesson, students solve quadratic equations and identify properties of their graph. They describe the pattern created by the graph and the game.
Curated OER
A Study of a Quadratic Function
Learners factor and solve quadratic equations. In this algebra lesson, students play a game as the collect and graph data. they identify properties of their parabola and make predictions.
Curated OER
Determining Area
High schoolers conduct chemical experiments. In this chemistry lesson, they investigate reactions using the CBL system. Learners will graph and analyze their data using a TI.
Curated OER
Reflecting a Triangle in the Coordinate Plane
Learners explore geometric concepts using technology. They manipulate the TI to find important math topics. This activity requires a TI-84 or higher.