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ALEX Lesson Plans


Subject: Mathematics (3 - 4)
Title: Students Only! No Teachers Aloud
Description: The students will be introduced to area and perimeter.The teacher will pose a real-life situation in which the students will have a chance to explore an actual section outside to determine the area and perimeter of a set location.


Subject: Mathematics (3 - 4)
Title: Finding Area with a geoboard
Description: Students will use a geoboard to visualize the concept of square units, as well as measure with those units. They will also be able to visualize the formal formula to different polygons after working with this manipulative.


Subject: English Language Arts (4), or Mathematics (3 - 4), or Technology Education (3 - 5)
Title: Abundant Area
Description: This is an inquiry and technology-based lesson that allows students to discover the relationship between perimeter and area. Students apply problem-solving strategies to solve the real-life problem posed in this lesson. This lesson may easily be divided into sections and completed over several days if needed.


Thinkfinity Lesson Plans


Subject: Mathematics
Title: Another Look at Fractions of a Set      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students identify fractions in real-world contexts from a set of items that are not identical. Students develop skills in problem-solving and reasoning as they think about their set and how to create new sets given specific fractional characteristics.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5



Subject: Mathematics
Title: IGD: Area of a Parallelogram      Add Bookmark
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
Grade Span: 3,4,5,6,7,8



Subject: Mathematics
Title: Number and Operations Web Links      Add Bookmark
Description: This collection of Web links, reviewed and presented by Illuminations, offers teachers and students information about and practice in concepts related to arithmetic. Users can read the Illuminations Editorial Board's review of each Web site, or choose to link directly to the sites.
Thinkfinity Partner: Illuminations
Grade Span: K,1,2,3,4,5,6,7,8,9,10,11,12



Subject: Mathematics
Title: Communicating about Mathematics Using Games: Playing Fraction Tracks      Add Bookmark
Description: Mathematical games can foster mathematical communication as students explain and justify their moves to one another. In addition, games can motivate students and engage them in thinking about and applying concepts and skills. This e-example from Illuminations contains an interactive version of a game that can be used in the grades 3-5 classroom to support students' learning about fractions. 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: 3,4,5



Subject: Mathematics
Title: Covering the Plane with Rep-Tiles      Add Bookmark
Description: In this lesson, from Illuminations, students discover and explore a special kind of tiling of the plane. Rep-tiles are geometric figures such that n copies can fit together to form a larger, similar figure. Students experiment with various shapes and values of n. Spatial sense is encouraged by the need to visualize and perform transformations with the shapes involved.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5,6,7,8



Subject: Mathematics
Title: Interactive Geometry Dictionary: Areas in Geometry      Add Bookmark
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
Grade Span: 3,4,5,6,7,8



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