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ALEX Lesson Plans


Subject: Mathematics (3 - 4), or Technology Education (3 - 5)
Title: Numerator/Denominator Introduction
Description: This is an introductory lesson on numerators and denominators. Students will have the opportunity to practice dividing using hands-on activities.


Thinkfinity Lesson Plans


Subject: Mathematics
Title: Concentration      Add Bookmark
Description: This student interactive from Illuminations allows students to play the classic game of Concentration by themselves or against a friend. The interactive can be used to review numbers, shapes, multiplication facts, fractions, decimals, and percents.
Thinkfinity Partner: Illuminations
Grade Span: K,PreK,1,2,3,4,5



Subject: Mathematics
Title: Isometric Drawing Tool      Add Bookmark
Description: Create dynamic drawings on isometric dot paper with this interactive tool. Draw 2-D and 3-D figures using edges, faces, or cubes that you can shift, rotate, color, or decompose.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5,6,7,8,9,10,11,12



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: Geometric Solids and Their Properties      Add Bookmark
Description: In this five-lesson unit from Illuminations, students analyze characteristics and properties of three-dimensional geometric shapes; develop mathematical arguments about geometric relationships; and use visualization, spatial reasoning, and geometric modeling to solve problems. After being introduced to shapes, they look for patterns, construct a solid, and build a shape jacket.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5



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: IGD: Area of a Rectangle      Add Bookmark
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
Grade Span: 3,4,5,6,7,8



Subject: Mathematics
Title: Investigating with Pattern Blocks       Add Bookmark
Description: This lesson, one of a multi-part unit from Illuminations, promotes problem-solving and reasoning with fractions as students investigate the relationships between various parts and wholes. It also focuses on representation as students are given multiple opportunities to investigate the relative value of fractions. Students use communication skills as they work in pairs to articulate and clarify their understanding of fraction relationships.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5



Subject: Mathematics
Title: Shapes at Work      Add Bookmark
Description: The purpose of this lesson, from Science NetLinks, is to look for shapes in both the natural and designed world; to investigate the ways in which shapes can be used; to design and build structures using appropriate shapes. In this lesson, students record shapes that they find around them, identifying those that can be used to solve practical problems and build larger structures. Students will explore the uses of various shapes and record their findings in a science journal. It would also be helpful to display class findings on a bulletin board entitled Shapes We Have Used (or Made).
Thinkfinity Partner: Science NetLinks
Grade Span: 3,4,5



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