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 Lesson Plans (26) Podcasts (1) Interactives/Games (4) Learning Activities (7) Learning Assets (1)

## ALEX Lesson Plans

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Subject: Education and Training (7), or Mathematics (4 - 7)
Title: Have Your Math and Eat It, Too!
Description: In this two-day lesson, students will collaborate to create a healthy pizza using only geometric items that have been precisely measured. Students must identify the items as triangle, quadrilateral (parallelogram), or cube. Next, students will measure the items that they place on their pizza. Finally, students will bake their pizza; therefore, having their math and eating it, too!

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Subject: Mathematics (6 - 7)
Title: Thinking outside the "BOX"
Description: The students will find the area of each two dimensional figure on a net of a rectangular prism.  In groups, students will cut out the net and create a rectangular prism. Groups will then discuss how to find the lateral area and the total surface area of the solid. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.

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Subject: Mathematics (6 - 7), or Technology Education (9 - 12)
Title: Applications of Area Abound
Description: The teacher will first provide direction instruction on area formulas and provide students an opportunity to practice using those formulas. Students will then apply their knowledge of area to real-life situations. They will write a short story to go along with the area problem, then record themselves "acting" it out, and finally add clip art images to illustrate their story. They will then turn all of this into a podcast using Photo Story 3, which can be uploaded to the Internet.

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Subject: Character Education (K - 12), or Mathematics (6 - 7)
Title: Polygons - Changing Area versus Changing Perimeter
Description: Students will investigate what happens to the perimeter of a polygon when the area stays the same. Students will investigate what happens to the area when the perimeter stays the same.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 (6 - 8), or Technology Education (6 - 8)
Title: Geometry City
Description: In this lesson, students will review coordinate plane concepts, practice map skills, review shapes, transform geometric figures, and calculate the area and perimeter of figures.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 (6 - 12)
Title: Multiplying Polynomials
Description: Students will be introduced to multiplication of polynomials by looking at an area example. They will have an opportunity to use an interactive website to manipulate an area problem. (optional activity) A PowerPoint presentation will be used to demonstrate that the multiplication of polynomials is an extension of the distributive property. A worksheet is provided for skill practice. 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 (3 - 7), or Technology Education (3 - 5)
Title: Dog Gone Again!
Description: In this lesson, the students' dogs have escaped once again from the backyard because there is not a fence to contain the dog when it goes out to use the bathroom. The student is to design a rectangular fence that will keep the dog from escaping the yard again. Students will find the perimeter and area of their fence. The students' products will be a Microsoft Word drawing.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 (6), or Technology Education (6 - 8)
Title: Exploring Length and Perimeter
Description: In this lesson students manipulate and calculate the perimeter of geometric shapes on a grid through the use of a technology-based resource. Hands-on activities and class discussion reinforce the concept. This lesson can be used as a follow-up lesson or to introduce perimeter and length.

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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

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Subject: Mathematics
Title: A Swath of Red
Description: In this lesson, one of a multi-part unit from Illuminations, students estimate the area of the country that voted for the Republican candidate and the area that voted for the Democratic candidate in the 2000 presidential election using a grid overlay. Students then compare the areas to the electoral and popular vote election results. Ratios of electoral votes to area are used to make generalizations about the population distribution of the United States.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Polygons
Description: This reproducible activity sheet, from an Illuminations lesson, features line drawings of several polygons including squares, triangles, rectangles, parallelograms, and trapezoids.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Getting into the Electoral College
Description: In this unit of 3 lessons from Illuminations, students are engaged in activities involving percentages, ratios, and area, with a focus throughout on building problem-solving and reasoning skills. They are designed to be used individually to fit within curriculum being covered at the time of an election. Additionally, the lesson extensions include many ideas for interdisciplinary activities and some possible school-wide activities.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Area Contractor
Description: In this Illuminations lesson, students are given the opportunity to explore surface area in the same way that a contractor might when providing an estimate to a potential customer. Once the customer accepts the estimate, a more detailed measurement is taken and a quote prepared.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Linking Length, Perimeter, Area, and Volume
Description: In this four-lesson unit, from Illuminations, students explore ratio, proportion, scale factor and similarity using perimeter, area, volume and surface area of various rectangular shapes. Students use an online interactive applet to explore how the perimeters, areas, and side lengths of similar rectangles are related.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Area Formulas
Description: In this unit of four lessons, from Illuminations, students use the area formula for a rectangle to discover the area formulas for triangles, parallelograms and trapezoids. Students also consider irregular figures whose areas can be determined by estimation or decomposition.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Discovering the Area Formula for Triangles
Description: In this lesson, one of a multi-part unit from Illuminations, students learn the area formula for a triangle. Students find the areas of rectangles and squares and compare them to the areas of triangles derived from the original shape.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Finding the Area of Trapezoids
Description: In this lesson, one of a multi-part unit from Illuminations, students discover the area formula for trapezoids and explore alternative methods for calculating the area of a trapezoid.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Finding the Area of Irregular Figures
Description: In this lesson, one of a multi-part unit from Illuminations, students estimate the areas of highly irregular shapes and use a process of decomposition to calculate the areas of irregular polygons.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Unknown Triangles
Description: This reproducible activity, from an Illuminations lesson, instructs students to find the area of two triangles, for which base length and height are provided.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Trapezoid
Description: This reproducible activity sheet, from an Illuminations lesson, features several drawings of trapezoids of different sizes. Students first estimate then measure the area of the trapezoids.
Thinkfinity Partner: Illuminations

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Subject: Language Arts,Mathematics
Title: Go the Distance
Description: This lesson is the fourth part of a four-part Illuminations unit titled '' Analyzing Numeric and Geometric Patterns of Paper Pool.'' The interactive paper pool game in this unit provides an opportunity for students to further develop their understanding of ratio, proportion, and least common multiple. At the end of the lesson, students write reports on their findings. This resource is referenced in the Illuminations unit titled '' Analyzing Numeric and Geometric Patterns of Paper Pool'' and is related to the Illuminations lessons titled '' Paper Pool Game,'' '' Explore More Tables,'' '' Look for Patterns.''
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Finding the Area of Parallelograms
Description: In this lesson, one of a multi-part unit from Illuminations, students use their knowledge of rectangles to discover the area formula for parallelograms.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Archimedes' Puzzle
Description: In this lesson, students learn about the history of the Stomachion, an ancient tangram-type puzzle. Students use the puzzle pieces to create other figures, learn about symmetry and transformations and investigate the areas of the pieces.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Creating A Firewise Defensible Space
Description: In this lesson, one of a multi-part unit from Illuminations, students learn about creating defensible space around a home using a series of fire protection zones. Students then draw the zones that surround a house and estimate the area of each zone.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Patterns and Function
Description: In this lesson, from Illuminations, students investigate properties of perimeter, area, and volume related to various geometric two- and three-dimensional shapes.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Constant Dimensions
Description: In this Illuminations lesson, students measure the length and width of a rectangle using both standard and non-standard units of measure. In addition to providing measurement practice, this lesson allows students to discover that the ratio of length to width of a rectangle is constant, in spite of the units. For many middle school students, this discovery is surprising.
Thinkfinity Partner: Illuminations

## ALEX Learning Assets

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Title: Technology in Math (Small Group/Centers)
Digital Tool: Tenmarks
Digital Tool Description: Tenmarks is a free web resource for math. In addition, educators can create accounts for students in which students can  access the site 24/7. Tenmarks is design for students in grades second though tenth grades. Tenmarks provides a multiple choice styles of questions for students. Tenmarks allows teachers to personlize instruction for students whether they are below, on, or above grade level in math. In addition, tenmarks is great for small group instruction, centers, and intervention. It provides indivdualize data for students and is a good tool to measure mastery of standards for testing and content knowledge.

## ALEX Podcasts

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A Reference Tool:  Finding the area of a triangle, square, and parallelogram
Overview:
This Podcast will be used as a reference tool. Students can refer to this tool to refresh their knowledge on how to find the area of a triangle, square, and parallelogram.

## Web Resources

### Interactives/Games

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Geoboard
https://itunes.apple...
This FREE Geoboard app is a tool for exploring a variety of mathematical topics introduced in the elementary and middle grades. Learners stretch bands around pegs to form line segments and polygons and make discoveries about perimeter, area, angles, congruence, fractions, and more.

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Geometry MATHO
http://www.aplusmath...
This is an interactive geometry bingo game. The students will match the title with the figure.

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Volume Shape Shooter
http://www.sheppards...
This game lets students find the volume of different cubed shapes.

### Learning Activities

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Geoboard
https://itunes.apple...
This FREE Geoboard app is a tool for exploring a variety of mathematical topics introduced in the elementary and middle grades. Learners stretch bands around pegs to form line segments and polygons and make discoveries about perimeter, area, angles, congruence, fractions, and more.

## Thinkfinity Interactive Games

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Subject: Mathematics
Title: Learning about Multiplication Using Dynamic Sketches of an Area Model
Description: Students can learn to visualize the effects of multiplying a fixed positive number by positive numbers greater than 1 and less than 1 with this tool. Using interactive figures, students can investigate how changing the height of a rectangle with a fixed width changes its area. 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: IGD: Area of a Parallelogram
Description: This student interactive, from Illuminations, helps students understand and investigate how to find the area of the parallelogram if they already know how to find the area of a rectangle. Students divide the parallelogram into pieces, arrange them together to form a rectangle, and then use the formula for the area of a rectangle to find the area of the parallelogram.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: IGD: Area of a Triangle
Description: This student interactive, from Illuminations, helps students understand and investigate how to find the area of a triangle by finding a way to make it look like a simpler shap--one whose area formula is known. Students make a copy of the triangle, and then make a parallelogram using the triangle and its copy. Students then determine that the area of the triangle is one-half that of the parallelogram.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Interactive Geometry Dictionary: Lines in Geometry
Description: This student interactive, from Illuminations, explores lines and their importance to geometry. Students can investigate the definitions and properties of perpendicular lines, segments, medians, Euler lines, and more.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Interactive Geometry Dictionary: Areas in Geometry
Description: This student interactive, from Illuminations, demonstrates how to find the area of three common shapes. Interactive investigations demonstrate finding the area of a rectangle, parallelogram, and triangle.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: IGD: Area of a Rectangle
Description: This student interactive, from Illuminations, allows students to see interactively how to find the area of a rectangle by manipulating the length of two opposite sides of a rectangle. They discover that as the measurement of the base changes, the area of the rectangle remains base times height.
Thinkfinity Partner: Illuminations