Texas Instruments
Investigating Segments in a Quadrilateral
Investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral. In this properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral lesson, students use...
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Rotations in the Plane
Pupils investigate the properties of a rotation as they use technology (Cabri, Jr.) to observe the relationship between the pre-image and the image formed by the rotation. The instructional activity provides ample opportunity for...
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Investigating Lengths of Segments in a Triangle
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...
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Measuring Angles in a Triangle
High schoolers investigate the sum of the measures of the angles of a triangle. They draw a triangle and measure the interior angles. Using Cabri Jr., learners find the sum of the measures of the interior angles. The lesson provides an...
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Applying Trigonometric Functions To Real Life
Students examine where trigonometry exists outside the classroom. In this trigonometry lesson, students create trigonometric functions to match the data provided and to solve word problems relating to the real world.
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Constructing Quadrilaterals
High schoolers investigate quadrilateral construction in this geometry lesson. They use Cabri Jr. to construct the different quadrilaterals from the quadrilateral hierarchy given minimal definitions. The lesson reinforces the difference...
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Simple Harmonic Motion with Dr. DAQ
Students study the work and accomplishment of Galileo. In this physics lesson, students calculate the period of a pendulum's using a mathematical equation. They explain the different factors affecting its period.
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Exponential Decay
Students study exponential decay and its application to radiocarbon dating. In this exponential decay lesson, students use candy to model the time it takes for something to decay. Students also graph the data they collect and...
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Constructions Triangles
Learners explore the difference between a construction and a drawing. They focus on various ways to construct different types of triangles. The lesson is an application of Cabri Jr. and reinforces the difference between a constructions...
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Balancing Equations and Using a Pyramid
Sixth graders complete worksheets and make journal entries to interpret mathematical expressions about the pyramids. In this equality by balancing equations instructional activity, 6th graders participate in groups or by themselves to...
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Is the Slope Legal?
Students define parallel and perpendicular lines. In this algebra lesson plan, students relate the concept of parallel and perpendicular lines to the real world. They classify the lines based on their slopes.
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NUMB3RS Activity: Regular Ploygon Centroids
Students investigate geo-profiling. In this secondary mathematics lesson, students use geo-profiling to determine the most probable location of a criminal. Students find the centroid of a polygon where the vertices represent...
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What are Fractals?
Middle and high schoolers identify and analyze fractals and research information using the Internet to locate information about them. They look at fractals in relation to nature and other real world situations. Pupils create several...
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Squares, Square Roots, and Exponential Expressions
Students explore the concepts of square roots and exponential expressions. In this square root and exponential expression lesson plan, students complete an investigation called Building A Square Patio. Students use color tiles to develop...
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Tech Algebra: A Statistics Study
Students use the internet to gather a minimum of thirty pieces of data. Students create box and whisker graphs, and stem and leaf plots from the information. They calculate mean, median, mode, and range. Students write a summary and...
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2 x 2
Middle schoolers work together to grid a 2 x 2 meter unit using the formula for the Pythagorean Theorem. After creating the grid, they identify the location of artifacts and create a map of their location. They develop a graph and table...
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Univariate Data Analysis
Students use given data to compare baseball players. They create box and whisker plots to compare the players and determine which they feel is the best player. Students use calculators to make box and whisker plots. They write paragraphs...
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The Calculus Whiz Who Owned a Box Company
Students use the relationship between volume and surface area to construct a box out of a piece of paper that maximizes volume using a table and by using graphing and calculus techniques.
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Math: How Many Red M&Ms?
Sixth graders calculate the mean, median, and mode of candy M&Ms and find the percentage of each color. Once they complete the assignment, they compare their results with those of the candy company's percentages. As an extension,...
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Linear and Exponential Growth
Students explore the concept of linear and exponential growth. In this linear and exponential growth lesson plan, students collect data about China's population. Students model the data to determine if it is linear or exponential.
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From Playing with Electronics to Data Analysis
Students collect and Analyze data. For this statistics lesson, students identify the line of best fit of the graph. They classify lines as having positive, negative and no correlation.
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Rocketsmania And Slope
Students use a professional basketball team's data and graph it on a coordinate plane. They draw a line of regression and finding its equation. They access a website containing statistics for the Houston Rockets basketball team to solve...
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Precalculus: Function Models for Real-Life Situations
Young scholars use calculators and "by hand" techniques to compare models of real-life data situations, determine the best model for a situation, and use their models to make predictions.
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Populations Lab - Exponential Graphing
Ninth graders investigate the application of populations that exists in one's everyday environment, in order to develop an understanding of how mathematics is a key component in the understanding of population dynamics.