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Ratios in Right Triangles
Learners calculate the sides of right triangles in this trigonometric ratios lesson. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The provided...
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Approaching Limits
With the assistance of their Ti-84/Ti-83 Plus calculators, students develop a foundation for the limiting process as well as estimate limits from graphs and tables of values. They view how a function behaves as the input approaches a...
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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.
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Move My Way: A CBR Analysis of Rates of Change
Learners match a given velocity graph and sketch the corresponding position graph using a graphing calculator. After collecting data from their everyday life, students use specific functions on their calculators to create graphs and...
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Stretching the Quads
Explore parabolas in this algebra lesson with the graphing calculator. The class investigates what effects the changing of the parameters of the vertex form of a quadrati have to its graph. They find the zeros of a quadratic graphically...
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Going Back to Your Roots
Who doesn't need to know the Fundamental Theorem of Algebra? Use the theorem to find the roots of a polynomial on a TI calculator. The class explores polynomials with one solution, no real solutions, and two solutions. This less lesson...
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Curve Ball
Learners explore the concept of parabolas by collecting quadratic data on a bouncing ball as it is falling using a motion detector. They plot the data and determine the equation of the quadratic in vertex form, then determine the values...
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Slopes and Lines
Students identify the slopes of a line. In this algebra lesson, students calculate the slope and intercept of a line. They graph their lines using a TI calculator.
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Visualizing Vectors
Investigate vectors in standard positions and use the CellSheet application on the TI calculator to find the sum of two vectors. Convert from polar to rectangular coordinates and vice versa, and show graphs of the vectors.
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Betweenness and the Sum of Parts
High schoolers differentiate lines and angles using betweenness in this geometry lesson. They differentiate angles and lines using Cabri Jr. and analyze the data and make conjecture.
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Big Wheels Keep on Turning
Eleventh graders work in groups and investigate how force determines the speed and distance then they view the video, "Math Vantage #7: What's Your Angle?." They are given a real life problem to solve using speed, ramps, angle, incline...
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A New Phase In Town
Middle schoolers explore heat energy and how it is used to change the phase of matter, and discover that temperature does not increase or decrease until the phase change is complete. This extremely well-written plan is packed with great...
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"You're Hired!'
Students investigate linear programming using the TI. In this algebra lesson, students collaborate and graph linear inequalities on a TI. They analyze their data and present it to the class.
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Statistics
High schoolers log their computer usage hours. They determine the mean, median, mode and standard deviation of the collected data. They make a frequency histogram of the grouped data, both on graph paper, and on the TI 83+ graphing...
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Investigating Motion
Students determine velocity using the slope of a time distance graph. They investigate a motion cart using a CBR unit and a TI 83 calculator setup. Using the graph generated, they calculate velocity.
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Drawing a Triangle with Cabri Junior
Learners draw triangles on their graphing calculators using the Cabri Junior application. In this graphing calculator lesson plan, students follow step by step directions to create triangles on their calculator. They identify the type of...
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Exploring Circles
Students explore circles using a graphing calculator. In this circles lesson plan, students write the equation of a circle with a given center and radius length. Students find the most appropriate model for each combination of data they...
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Coming to Know F and C
Students collect temperatures using a probe and examine data. In this temperature lesson students complete an activity using a graphing calculator.
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Regressive Music
Student use the Ti calculator to graph sinusoidal graphs. In this calculus instructional activity, young scholars use the CBL to collect and analyze data of sinusoidal graphs. They manipulate their collected data and make predictions.
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Real Estate Lesson: Monthly Payments
Students examine real-world data relating to real estate. They conduct Internet research, record data regarding real estate in major cities, graph the data, calculate mortgage payments using a mortgage calculator, and analyze the data.
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Investigating Functions
In this investigating functions learning exercise, 11th graders solve and complete 18 different problems. First, they graph each equation on the graphs shown. Then, students make a rough sketch of graph on a coordinate plane. They also...
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Off to College
High schoolers investigate linear, quadratic and exponential equations using the TI calculator. They identify relation and functions using ordered pairs, graph the data, analyze the data, and relate it to real-world situations.
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Standard Form of Equations
Learners complete the square and identify different parts of a quadratic equation. In this algebra instructional activity, pupils graph conics using the TI calculator. They rewrite equations by completing the square.
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Wrapping It All Up
Through learning how to examine linear, quadratic, and exponential functions, students explore the effects of changes in parameters on the graphs of linear, quadratic, and exponential functions. The lesson is designed to be a review of...