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ALEX Lesson Plans


Subject: Mathematics (8)
Title: Is there a relationship between your height and the length of your foot?
Description: In this lesson, eighth grade students will collect data. They will use this data to analyze the relationship between the height of an individual and the length of his/her foot.  Students will use a line of fit to make predictions for people of different heights. 


Subject: Mathematics (7 - 8)
Title: Heads Up!
Description: The lesson is a hands-on project. Students will work in pairs to gather various measurements, organizing the data into a provided chart. The measurements will be used to review, reinforce, and introduce skills such as measures of central tendency, coordinate graphing, and various ways of representing data (i.e., stem-and-leaf plots, box-and-whisker plots, frequency tables, etc.).


Subject: Mathematics (8 - 12)
Title: What is the slope of the stairs in front of the school?
Description: The purpose of this lesson is to help students apply the mathematical definition of slope to a concrete example. The students will learn to make the appropriate measurements and apply the formula to calculate the slope of the stairs experimentally.


Thinkfinity Lesson Plans


Subject: Mathematics
Title: Graphing What       Add Bookmark
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
Grade Span: 9,10,11,12



Subject: Mathematics,Science
Title: Finding Our Top Speed      Add Bookmark
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
Grade Span: 6,7,8



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: Mathematics,Professional Development
Title: Building Bridges      Add Bookmark
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
Grade Span: 6,7,8



Subject: Mathematics
Title: Supreme Court Handshake      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students explore the handshake problem, a classic problem in mathematics that asks, How many handshakes occur when n people shake hands with each other? Groups work to determine how many handshakes take place among the nine Supreme Court justices, and then generalize the problem to determine the number of handshakes in any size group. Students explore the problem using a verbal description, a table, a graph, a picture and an algebraic formula.
Thinkfinity Partner: Illuminations
Grade Span: 6,7,8



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