Curated OER
Who is Being Left Behind?
Students investigate scores as they relate to race. In this algebra lesson, students analyze standardized scores and how race can affect these scores. They plot their findings on a graph and draw conclusions.
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Line of Best Fit
Students identify the line of best fit. In this statistics activity, students collect and analyze data. They calculate the regression equations and identify the different types of correlation.
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Investigating Functions
In this investigating functions instructional activity, 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...
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Motion of a Bouncing Ball
Twelfth graders complete a unit of lessons on derivatives as they are applied to motion. They observe and discuss demonstrations, conduct an experiment involving a motion sensor, graph and analyze the results, and summarize their findings.
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Slopey Math
Students identify the slope of a line and use it to solve real life problems. In this algebra lesson, students write linear equations in slope intercept form and make a correlation to its relation to the real world. They use the slope an...
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Determining the Relationship Between pH and Hydrogen Ions with Microcomputer Based Lab (MBL) and/or Calculator Based Lab (CBL) Equipment
Learners find the relationship between the variables based on experimental data. They determine mathematical relationship between pH and the amount of hydrogen Ions in solution.
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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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Dilations in the Plane
Tenth graders investigate dilations and explore the dilation transformation before investigating the properties of a dilation using Cabri Jr. Young scholars extend the concept of dilatation to the coordinate plane.
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Evaluating the Products of Chords of a Circle
Students investigate chords and make predictions. In this geometry lesson, students graph circles and calculate the measurement of each chord. They perform the calculations and make conjectures.
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LearningCheck State Proactice Exams Item Banks
Learners examine state practice test exams questions. In this secondary mathematics exam, students receive instructions for downloading state practice exams, using the test item banks with the TI-Navigator system, and view sample...
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"Ball Bounce" Quadratic Functions
Young scholars manipulate a ball and explore quadratic functions. In this algebra lesson, students analyze the graph of a quadratic function. They identify quadratic properties.
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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.
Texas Instruments
Vandalism 101
Learners explore logic and use Geometer’s Sketchpad and patterns of logic to solve a puzzle.
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The Pythagorean Theorem and Classifying Triangles
Through the examination of the relationship between the lengths of the sides of a triangles learners will learn the classification of triangles (acute, right, or obtuse).
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Batteries in Series: Voltage and Light Intensity
Young scholars participate in a hands-on activity to explore the relationship between the number of batteries in a series circuit and its voltage. Students identify the relationship between two variables and plot points on a graph.
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You Gotta Have Heart
Ninth graders investigate the concept of relations and interpret graphs and tables. They analyze given data and look for a pattern to determine if the numbers represent a function. Students practice solving scientific word problems that...
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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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Investigating Equations of Lines
High schoolers investigate linear equations as they use technology (Cabri, Jr.) to explore the equations of lines in slope-intercept form. The technology allows learners to manipulate the line and observe the changes in the parameters of...
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Segments Formed by Intersectiong Chords, Secants, and Tangents
Learners investigate the properties of segments formed which chords, secants, and tangents, intersect. The dynamic nature of Cabri Jr. allows high schoolers to form and verify conjectures regarding segment relationships.
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Measuring Angles in a Quadrilateral
High schoolers explore quadrilaterals in this geometry instructional activity. They will draw a quadrilateral, measure the angles, and find the sum of the measures of the interior angles using Cabri Jr. The interactive capabilities of...
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Circumscribing a Circle About a Triangle
Pupils circumscribe a circle about a triangle. They construct a triangle using Cabri Jr and then circumscribe it. They then use knowledge of perpendicular bisectors and circumcenters to locate the center of the circle and then...
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Exploring the Circumcenter of a Triangle
Students construct the circumcenter of a triangle. For this constructing the circumcenter of a triangle lesson, students construct a triangle using Cabri Jr. Students draw perpendicular bisectors of the sides of the triangle. Students...
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Perpendicular Segments in a Circle
High schoolers explore the concept of circles as they construct a circle using a program such as Cabri Jr. Learners construct a chord and a diameter that are perpendicular, then measure the bisected chord and notice that both sides of...
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Perpendicular Bisector of a Line Segment
High Schoolers investigate the perpendicular bisector of a line segment. They use Cabri Jr. to construct the perpendicular bisector of a segment. The dynamics capabilities of Cabri Jr. allow your learners to observe the lengths of the...