Elementary learners discover counting through a counting chart. In this math lesson, students identify numbers 1-100. They then point or recite their counting numbers.

High schoolers construct the circumcenter of a triangle. In this constructing the circumcenter of a triangle lesson, students construct a triangle using Cabri Jr. High schoolers draw perpendicular bisectors of the sides of the triangle....

Learners investigate cyclic quadrilaterals in this geometry lesson. They use Cabri Jr to explore the sum of the measures of opposite angles in a cyclic quadrilateral. The dynamic nature of Cabri allows high schoolers to form and verify...

Young mathematicians draw and label right triangles using Cabri Jr. technology. They create other special right triangles and identify the length of the hypotenuse and each leg. High schoolers explore the ratios to determine how the...

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...

Learn to identify the properties of parabolas. Students 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...

Explore the natural log function through the investigation of inverse of the exponential functions by plotting the inverse of the exponential solution points.  Students examine the results to determine that the inverse is the...

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...

Learn how to explore rational functions and investigate the graphs rational functions and identify its singularities and asymptotes.  Students approximate the solutions to rational equations and inequalities by graphing.

Learners graph polynomials. In this Algebra II lesson, students investigate the graph of a polynomial to determine the value and the number of zeros. This lesson requires the use of a graphing calculator.

The concept of sine and cosine is explored in this lesson where students graph sine and cosine graphs using a transformation application on the graphing calculator.  Students change the coefficients for the amplitude, period,...

Learn how to measure the reference angles in degrees and radians.  High schoolers find reference angles that are coterminal with a given angle.

Using their Ti-Nspire to determine the solutions of parabolas, learners explore the concept of complex roots.  Students determine if parabolas have real or complex roots.  Learners determine the the axis of symmetry and the...

Learners explore the concept of quadratic equations.  In this quadratic equations lesson, students find the roots or zeros of quadratic equations using the quadratic formula.  Learners give examples of functions with 2 real,...

In exploring the concept of complex roots, students find the axis of symmetry and roots of parabolas.  Then, they discuss what makes a solution complex and how to identify functions with complex roots.

By stretching and translating the parabola given and determining the effects on the equation, students explore finding the vertex and zeros of a parabola and relate them to the equation. Students also view the intercept form to determine...

By learning to select the best representation for three meal plans, students compare three meal plans to determine the best choice. Data for the meal plans is sorted on a table, as an algebraic equation, and graphed on a coordinate grid....

Learners study the concept of sustainable agricultural practices through cocoa farming and the lives of the people who are the producers. Students watch a slide show and read a story which helps them understand the origins of chocolate,...

Learners examine how school segregation is affected by funding gaps. For this equity lesson,students read the article, "Crossing the Gap." Learners analyze funding gaps between schools. Students understand that every learners is...

Learners research the history of a school system. In this school system activity, students list the grade levels and subjects taught in their school and interview their teachers and administrators. Learners collect past photographs of...

Fifth graders experience simulations in order to meet the required Social Studies standards. In this simulation lesson plan, 5th graders experience a teacher set-up simulation of students being put in the Responsible Thinking Classroom...

Learners explore the geographic theme of movement. In this migration lesson, students discuss push-pull factors that motivate immigrants and interpret illegal immigration data. Learners also discuss the difficulties that illegals face.

Students explore what life is like for immigrant women in the United States.  In this immigration lesson, students study about immigration through reading and watching a video, then share their thoughts and ideas by participating in...

Students investigate claims of medicinal plants found in the rain forest. In this research skills lesson plan, students examine the validity of Internet sources as they visit websites in search of information about rain forest plants...