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 Lesson Plans (23) Interactives/Games (1) Learning Activities (1)

## ALEX Lesson Plans

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Subject: Mathematics (9 - 12)
Title: Graphing Families of Quadratic Functions
Description: Students will use a graphing calculator to investigate families of quadratic functions. This lesson can be used as a follow up after showing student how to graph by quadratics by hand.

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Subject: Mathematics (9 - 12), or Technology Education (9 - 12)
Title: Family Ties:  Parabolas
Description: This lesson allows students to manipulate the parameters while using the vertex form of the equation of a parabola to see the effects on the graph.  The spreadsheet can be altered for other functions.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.

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Subject: Mathematics (9 - 12), or Technology Education (9 - 12)
Title: Predict the Future?
Description: Students will use data collected and a "best-fit line" to make predictions for the future. The example the students will be working on for this lesson will demonstrate an exponential regression.

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Subject: Mathematics (9 - 12)
Title: Exponential Growth and Decay
Description: This lesson on exponential growth and decay involves a variety of teaching resources. There are a variety of websites used to teach and reinforce how to identify exponential growth or decay and how to solve problems relating to growth and decay. There is a lab provided that will help model these concepts being taught and computer based practice on these concepts. Videos are provided that give a picture image of how exponential growth and decay works. This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.

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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.

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Subject: Mathematics (9 - 12), or Technology Education (9 - 12)
Title: You Mean ANYTHING To The Zero Power Is One?
Description: This lesson is a technology-based project to reinforce concepts related to the Exponential Function. It can be used in conjunction with any textbook practice set. Construction of computer models of several Exponential Functions will promote meaningful learning rather than memorization.

## Thinkfinity Lesson Plans

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Subject: Mathematics,Science
Title: Analyzing the Data
Description: In this lesson, one of a multi-part unit from Illuminations, students explore the development of a mathematical model for the decay of light passing through water, in a rich exploration of exponential models in context. They use an interactive Java applet to explore related algebraic functions.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: How Should I Move?
Description: In this Illuminations lesson, a motion detector is used to help students understand graphs and equations. Students experience constant and variable rates of change and are challenged to consider graphs where no movements are possible to create them. Multiple representations are used throughout the lesson to allow students to build their fluency with in how graphs, tables, equations, and physical modeling are connected. The lesson also allows students to investigate multiple function types, including linear, exponential, quadratic, and piecewise.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Exact Ratio
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

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Subject: Health,Mathematics
Title: Make a Conjecture
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

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Subject: Mathematics
Title: Linear Alignment
Description: In this Illuminations lesson, students explore linear equations and the effects of changing the slope and y-intercept on a line. It gives students exposure to y = mx + b, and can be used as an introduction to the topic. Using graphing calculators, students are challenged to overlap lines onto the sides of polygons. To achieve this goal, students change slopes and y-intercepts of lines, noting observations about behavior as they work. As students change the y-intercept of a line, they see it raise or lower the line. As students change the slope, they see it affect the steepness of the line.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Graph Chart
Description: This reproducible transparency, from an Illuminations lesson, contains the answers to the similarly named student activity in which students identify the independent and dependent variables, the function, symbolic function rule and rationale for a set of graphs.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Graphing What
Description: This reproducible activity sheet, from an Illuminations lesson, is used by students to record independent and dependent variables as well as the function and symbolic function rule for a set of graphs.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Think of a Graph
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

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Subject: Mathematics,Science
Title: Finding Our Top Speed
Description: This Illuminations lesson sets the stage for a discussion of travel in the solar system. By considering a real-world, hands-on activity, students develop their understanding of time and distance. The mathematics necessary for the lesson relate to measuring time and distance as well as graphing to portray the data collected.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Apple Pie Recording Chart
Description: This reproducible activity sheet, from an Illuminations lesson, prompts students to use strings and rulers to measure and record the distance around several round objects, as well as the distance across the middle of those objects.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Automobile Mileage: Age vs. Mileage
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 of 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 put those meanings in the context of the real-life application. This lesson incorporates an interactive regression line applet.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Automobile Mileage: Comparing and Contrasting
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

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Subject: Mathematics
Title: Exploring Linear Data
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

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Subject: Mathematics
Title: Gallery Walk
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

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Subject: Mathematics,Science
Title: Modeling Orbital Debris Problems
Description: In this lesson, from Illuminations, students examine the problem of space pollution caused by human-made debris in orbit to develop an understanding of functions and modeling. The lesson gives students an opportunity to use spreadsheets, graphing calculators, and computer graphing utilities.
Thinkfinity Partner: Illuminations

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Subject: Mathematics,Science
Title: Shedding the Light
Description: In this four-lesson unit, from Illuminations, students investigate a mathematical model for the decay of light passing through water. The goal of this investigation is a rich exploration of exponential models in context. Students examine the way light changes as water depth increases, conduct experiments, explore related algebraic functions using an interactive Java applet and analyze the data collected.
Thinkfinity Partner: Illuminations

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Subject: Mathematics,Professional Development
Title: Building Bridges
Description: In this lesson, from Illuminations, students attempt to make a transition from arithmetical to algebraic thinking by extending from problems that have single-solution responses. Values organized into tables and graphs are used to move toward symbolic representations. Problem situations involving linear, quadratic, and exponential models are employed.
Thinkfinity Partner: Illuminations

## ALEX Learning Activities

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Title: GraphIt!
Digital Tool: TopNotes App
Digital Tool Description: TopNotes is a powerful app for handwriting and organizing notes, sketches, diagrams, illusions and drawings.

## Thinkfinity Interactive Games

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Subject: Mathematics
Title: Exploring Linear Functions: Representational Relationships
Description: Technology allows the linking of multiple representations of mathematical situations and the exploration of the relationships that emerge. This example from Illuminations presents a series of explorations based on two linked representations of linear functions. 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

## Thinkfinity Learning Activities

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Subject: Mathematics
Title: Flowing Through Mathematics
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

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Subject: Mathematics
Title: Tube Viewer Simulation
Description: This student interactive, from Illuminations, simulates the effect of viewing an image through a tube. As students move the location of the person or change the length of the tube, the image and measurements also change.
Thinkfinity Partner: Illuminations