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ALEX Lesson Plans


Subject: Mathematics (9 - 12), or Technology Education (6 - 8)
Title: Adding Up Stats
Description: In groups, students will conduct surveys and collect the data from their surveys. Then they will analyze the data and create various methods of displaying the collected data.


Subject: Mathematics (9 - 12), or Science (9 - 12)
Title: The Composition of Seawater
Description: This lesson develops student understanding of ocean water as a true solution. It demonstrates the differences of salinity and "salt" water. This lesson prepares the student to be able to apply the concepts of temperature, density, and layering of the oceans before conducting a lab dealing with these variables.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.


Subject: Mathematics (7 - 12)
Title: Statistically Thinking
Description: The object of this project is for students to learn how to find univariate and bivariate statistics for sets of data. Also, the students will be able to determine if two sets of data are linearly correlated and to what degree. The students will use Microsoft PowerPoint and Excel to find, organize, and present their projects to the class.


Subject: Mathematics (9 - 12), or Technology Education (9 - 12)
Title: Math is Functional
Description: This lesson is a technology-based activity in which students extend graphing of linear functions to the use of spreadsheet software. After students have become proficient in constructing a table of values, students are able to efficiently graph equations with more extensive computational requirements. Furthermore, inquiry and discovery about slope and y-intercept will help students conceptualize material normally presented in Algebra I textbooks.


Subject: Mathematics (9 - 12), or Technology Education (9 - 12)
Title: Ballistic Statistics!
Description: Students will collect examples of various statistical instruments and form an electronic scrapbook. These materials will be gathered from electronic sources in addition to periodicals and other print resources.


Subject: Mathematics (6 - 12)
Title: Swimming Pool Math
Description: Students will use a swimming pool example to practice finding perimeter and area of different rectangles.


Thinkfinity Lesson Plans


Subject: Mathematics,Social Studies
Title: The National Debt and Wars: Suggested Solutions      Add Bookmark
Description: These reproducible graphs, from an Illuminations lesson, feature possible solutions to a student activity sheet in which students collect information about the national debt, plot the data by decade and determine whether an exponential curve is a good fit for the data.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics,Science
Title: Numerical Analysis      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students use iteration, recursion, and algebra to model and analyze a changing fish population. They use an interactive spreadsheet application to investigate their models.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Automobile Mileage: Year vs. Mileage      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students plot data about automobile mileage and interpret the meaning of the slope and y-intercept in the resulting equation for the least squares regression line. By examining the graphical representation of the data, students analyze the meaning of the slope and y-intercept of the line and interpret them in the context of the real-life application. Students also make decisions about the age and mileage of automobiles based on the equation of the least squares regression line. This lesson incorporates an interactive regression line applet.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Exact Ratio      Add Bookmark
Description: This reproducible activity sheet, from an Illuminations lesson, features a series of questions pertaining to exact ratios and geometric sequences. In the lesson, students measure lengths on stringed musical instruments and discuss how the placement of frets on a fretted instrument is determined by a geometric sequence.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Health,Mathematics
Title: Make a Conjecture       Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students explore rates of change and accumulation in context. They are asked to think about the mathematics involved in determining the amount of blood being pumped by a heart.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: The Regression Line      Add Bookmark
Description: This lesson, one of a multi-part unit from Illuminations, provides students with the opportunity to investigate the relationship between a set of data points and a curve used to fit the data points, using a computer-based interactive tool. Using the Regression Line Applet, students investigate the straight line, which is the graph of a linear function.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: The Regression Line and Correlation      Add Bookmark
Description: This four-lesson unit, from Illuminations, provides students with the opportunity to investigate the relationship between a set of data points and a curve used to fit the data points, using a computer-based interactive tool. Using the Regression Line Applet, students investigate the properties of regression lines and correlation.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Line of Best Fit      Add Bookmark
Description: This student interactive, from Illuminations, allows the user to enter a set of data, plot the data on a coordinate grid, and determine the equation for a line of best fit. Students can choose to display a line of best fit based on their visual approximation as well as a computer-generated least-squares regression line.
Thinkfinity Partner: Illuminations
Grade Span: 6,7,8,9,10,11,12



Subject: Mathematics
Title: Think of a Graph       Add Bookmark
Description: This reproducible transparency, from an Illuminations lesson, asks students to sketch a graph in which the side length of a square is graphed on the horizontal axis and the perimeter of the square is graphed on the vertical axis.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Flowing Through Mathematics      Add Bookmark
Description: This student interactive, from Illuminations, simulates water flowing from a tube through a hole in the bottom. The diameter of the hole can be adjusted and data can be gathered for the height or volume of water in the tube at any time.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Shrinking Candles, Running Water, Folding Boxes      Add Bookmark
Description: This lesson, from Illuminations, allows students to look for functions within a given set of data. After analyzing the data, the students should be able to determine the type of function that represents the data.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Automobile Mileage: Comparing and Contrasting      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students compare and contrast their findings from previous lessons of the unit. This lesson allows students the time they need to think about and discuss what they have done in the previous lessons. This lesson provides the teacher with another opportunity to listen to student discourse and assess student understanding.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Bathtub Water Levels      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students examine real-life data that illustrates a negative slope. Students interpret the meaning of the negative slope and y-intercept of the graph of the real-life data. By examining the graphical representation of the data, students relate the slope and y-intercept of the least squares regression line to the real-life data. They also interpret the correlation coefficient of the least squares regression line. This lesson incorporates an interactive regression line applet.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Exploring Linear Data      Add Bookmark
Description: In this lesson, from Illuminations, students model linear data in a variety of settings. Students can work alone or in small groups to construct scatterplots, interpret data points and trends, and investigate the notion of line of best fit.
Thinkfinity Partner: Illuminations
Grade Span: 6,7,8,9,10,11,12



Subject: Mathematics
Title: Gallery Walk      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students view the work of other students in the class and explain their own work. Students move from graph to graph during this time and, without any talking, view the work of their classmates. While on their Gallery Walk, the students think about the data their classmates plotted and whether or not the information accompanying each graph seems appropriate. Each pair of students then stands next to their own work and explains one of the graphs.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Health,Mathematics
Title: Gather Data      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students explore rates of change and accumulation in context by modeling cardiac output. They use an interactive Java applet to create a graph of the data they collect.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Least Squares Regression      Add Bookmark
Description: In this nine-lesson unit, from Illuminations, students interpret the slope and y-intercept of least squares regression lines in the context of real-life data. Students use an interactive applet to plot the data and calculate the correlation coefficient and equation of the least squares regression line. These lessons develop skills in connecting, communicating, reasoning, and problem solving as well as representing fundamental ideas about data.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Understanding the Least Squares Regression Line with a Visual Model: Measuring Error in a Linear Model      Add Bookmark
Description: This example from Illuminations allows students to explore three methods for measuring how well a linear model fits a set of data points. In this example, two of the methods use residuals and the third uses the shortest distance between a data point and the line given by the model. e-Math Investigations are selected e-examples from the electronic version of the Principles and Standards of School Mathematics (PSSM). The e-examples are part of the electronic version of the PSSM document. Given their interactive nature and focused discussion tied to the PSSM document, the e-examples are natural companions to the i-Math investigations.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: The Effects of Outliers      Add Bookmark
Description: This lesson, one of a multi-part unit from Illuminations, provides students with the opportunity to investigate the relationship between a set of data points and a curve used to fit the data points, using a computer-based interactive tool. Using the Regression Line Applet, students investigate the effect of outliers on a regression line and easily see their significance.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Traveling Distances      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students interpret the meaning of the slope and y-intercept of a graph of real-life data. By examining the graphical representation of the data, students relate the slope and y-intercept of the least squares regression line to the real-life data. They also interpret the correlation coefficient of the resulting least squares regression line. This lesson incorporates an interactive regression line applet.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: Road Rage      Add Bookmark
Description: In this Illuminations lesson, students use remote-controlled cars to create a system of equations. The solution of the system corresponds to the cars crashing. Multiple representations are woven together throughout the lesson, using graphs, scatter plots, equations, tables, and technological tools. Students calculate the time and place of the crash mathematically, and then test the results by crashing the cars into each other.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Subject: Mathematics
Title: On Top of the World      Add Bookmark
Description: If you were standing on the top of Mount Everest, how far would you be able to see to the horizon? In this lesson, students will consider two different strategies for finding an answer to this question. The first strategy is algebraic-students use data about the distance to the horizon from various heights to generate a rule. The second strategy is geometric-students use the radius of the Earth and right triangle relationships to construct a formula. Then, students compare the two different rules based on ease of use as well as accuracy.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



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