Curated OER
Drawing a Triangle with Cabri Junior
Learners draw triangles on their graphing calculators using the Cabri Junior application. In this graphing calculator lesson, students follow step by step directions to create triangles on their calculator. They identify the type of...
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Connecting Translations, Reflections, and Rotations
Learners differentiate between translation, reflection and rotation. They explore the 3 types of transformation using Cabri Jr. and build on previous knowledge in this lesson.
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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...
Texas Instruments
Exploring Quadratics in Factored Form
Young mathematicians explore quadratics equations in this lesson. They investigate the relationship between the standard form and factored form of quadratic equations. Learners then examine the relationship between the factoring form of...
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ME*Pro App
In this secondary mathematics activity, learners investigate the uses and capabilities of a TI-89 application designed for mechanical engineering students. The app contains over 700 pieces of reference information and organized into...
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Linear Programming and the Inequalz App
Learners graph system of linear inequalities in this lesson. Your class will use the Inequality Graphing App to enter linear programming functions into the calculator that can be stored for later use. They then determine the maximum for...
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Quadratic Function Graph
Learnerss engage in a study of quadratic functions and how the coefficient of x^2 has on the graph of it. They study the quadratic function for review with the help of index cards. The lesson includes a resource link to align the it with...
Texas Instruments
Serious Series
High schoolers are introduced to infinite series, geometric and telescoping series as well as the relationship between the sequence of partial sums of a series and its sum. They apply symbolic capacity of their calculator and calculus to...
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Exploring Infinite Series
Learners analyze geometric series in detail. They determine convergence and sum of geometric series, identify a series that satisfies the alternating series test and utilize a graphing handheld to approximate the sum of a series.
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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...
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Building Perspectives App
Learners explore a perspective application of the TI-73. In this middle school mathematics lesson plan, young scholars view the front, back, right, and left views of a city to determine the height of each building in a city plan.
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The Factor Connection
Pupils investigate the connection between factors, zeros, and graphs of quadratic functions. The instructional activity requires the TI-nspire handheld.
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Fixed Perimeter Rectangle
Teach how to solve for the area and perimeter of rectangles. In this geometry instructional activity, high schoolers are given fixed perimeter rectangles and asked to find the area and side length of the rectangles. they draw their...
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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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Handy Reflections
Learners explore reflections on a coordinate plane in this lesson. They trace their hand on a grid, determine the coordinates of each point, and create a scatter plot of their points. Pupils use this information to investigate aspect...
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Count the Differences
Pupils find the difference between consecutive y-values on the calculator and write an equation that fits the data. They continue finding the differences in consecutive y-values using lists on their calculator. Learners conclude as they...
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Triangle in the Matrix
Young mathematicians represent a triangle with a matrix and use the determinant to find the area of three given triangles. Learners also verify the formula for area of a triangle.
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Match Me Plus
Have your class investigate Piecewise functions by matching a position versus time graph to the function that describe the walk.
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Using Symmetry to Find the Vertex of a Parabola
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...
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Trains in Motion
Pupils 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.
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Finding a Line of Best Fit
Pupils engage in the practice of creating a scatter plot with the data obtained from measuring different resting heart rates. The data is used to create the table that is translated into a graph. The instructional activity gives...
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The 1 That Got Away
Young scholars explore number properties. They using multilink blocks to explore doubling of the numbers and explore the patterns to investigate 2 to the power of n and how it is written. In addition, they usse the 100s board, number...
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Computing with Mathematical Formulas
Young scholars solve problems using formulas. In this algebra lesson plan, students evaluate numbers using substitution. They graph their answers using a TI and discuss the outcome.
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Solving Systems by the Elimination Method
Pupils solve equations by elimination and use the TI to graph the lines and find the point of intersection.