# ALEX Lesson Plan Resources

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ALEX Lesson Plans
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.

Subject: Mathematics (9 - 12), or Technology Education (9 - 12)
Title: Creating a Payroll Spreadsheet
Description: Spreadsheet software allows you to calculate numbers arranged in rows and columns for specific financial tasks. This activity allows students to create an "Employee Work/Pay Schedule" spreadsheet to reinforce spreadsheet skills. Students will practice spreadsheet skills by entering data, creating formulas, and using formatting commands.

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.

Subject: English Language Arts (9 - 10), or Mathematics (9 - 12)
Title: Rags to Riches or Riches to Rags?
Description: In this lesson students will apply the interest formulas to make the best investment decision for our fictional character Algebrea Calculique. The students will be provided with a story explaining the situation that Algebrea faces and the investment choices that she has. To present their findings and conclusion, the students will write an expository essay. This lesson integrates mathematics into the writing process.

Thinkfinity Lesson Plans
Subject: Mathematics
Title: Graph Chart      Add Bookmark
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

Subject: Mathematics
Title: Percent Slope Tool      Add Bookmark
Description: This reproducible activity, from an Illuminations lesson, provides a template by which students can create a tool for calculating the slope of real-world inclines.
Thinkfinity Partner: Illuminations

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

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

Subject: Mathematics,Social Studies
Title: Rates and Taxes      Add Bookmark
Description: In this lesson, from Illuminations, students become familiar with percents and taxes. Students learn how to determine the amount of tax a family must pay based on a certain income.
Thinkfinity Partner: Illuminations

Subject: Mathematics
Title: Do I Have to Mow the Whole Thing?      Add Bookmark
Description: This lesson offers examples of inverse variation. Students collect data and generate graphs before finding specific equations for inverse variation relationships and examining their graphs and discuss the asymptotes.
Thinkfinity Partner: Illuminations