Texas Instruments
Trisecting a Square
High Schoolers investigate the question of whether or not the area of square can be trisected. In this lesson plan, they use geometry software to answer the questions and determine what conditions are necessary to the three regions to by...
Curated OER
Using Cabri Geometry to Create Fractals
Learners construct the Sierpinski Triangle using Cabri Jr. They use a step-by-step guide to construct the Sierpinski Triangle on their graphing calculator and then discuss the formula for constructing a nth stage Sierpinski Triangle.
Curated OER
Conics in Geometry
High schoolers analyze characteristics and properties of two and three-dimensional shapes in this geometry lesson. They follow detailed directions to use the Cabri Geometry II Application on their TI-89 calculator to construct a...
Curated OER
What's the Spin?
Learners use the CABRI application for their graphing calculator to rotate, translate, and reflect triangles. They use graphing calculators and follow detailed directions to manipulate triangles in specified ways. There are three...
Texas Instruments
What's the Trig?
Learners determine the trigonometric relationships within a triangle as they construct a right triangle on the Ti-89. They find the sine, cosine, and tangent of various angles of their triangle construction.
Curated OER
Solving Equations with Solve It
Pupils solve equations using a TI in this algebra lesson. They will practice solving equations and systems of equations on a TI. The TI-Navigator is required for this assignment.
Curated OER
Sharing is Caring
Students sharpen their problem solving skills. In this service learning lesson, students work collaboratively to solve a problem involving scarcity.
Curated OER
Our Classroom is a Community: LEAGUE Philanthropy Lesson
Students examine the concept of community. In this philanthropy lesson, students consider how their classroom could be considered a community and discuss how they can be philanthropists in their own classroom.
Curated OER
Put Your Hands in Mine: King Day
Students examine the concepts of human and civil rights. In this philanthropy lesson, students watch The Mighty Times: The Children March. Students discuss concepts relating to civil rights and change.
Curated OER
Creative Problem Solving
Students respond to a situation presented about the wetlands. In this wetlands activity, students understand the various opinions over the use of areas in the wetlands. Students complete a worksheet using critical thinking questions...
Curated OER
Properties of Parabolas
Learn to identify the properties of parabolas. Learners define parabola as the locus of all points equidistant from a fixed point and a fixed line. Also, interpret the equation for a parabola in vertex form and gain a visual...
Curated OER
Properties of Parabolas
Have your learners investigate parabolas. In this Algebra II lesson plan, students explore the basic definition of a parabola by using Cabri Jr. to create a parabola given the focus and directrix. Students interpret the equation...
Curated OER
Border Patrol
Young scholars investigate systems of linear inequalities as they apply to an area of land. They practice graphing systems and determine if a point lies in the solution.
Curated OER
Exponential Reflections
Explore the natural log function through the investigation of inverse of the exponential functions by plotting the inverse of the exponential solution points. High schoolers examine the results to determine that the inverse is the...
Curated OER
Cramer's Rule ID: 8793
Mathematicians are introduced to Cramer’s Rule and use it to solve three systems that have one solution, no solutions, and an infinite number of solutions. Students use TI-Nspire to graph the systems to verify their answers and...
Curated OER
Asymptotes and Zeros
Learn how to explore rational functions and investigate the graphs rational functions and identify its singularities and asymptotes. High schoolers approximate the solutions to rational equations and inequalities by graphing.