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ALEX Lesson Plans


Subject: Mathematics (3 - 4)
Title: Calculating Elapsed Time with Time Rulers
Description: Students will explore their prior knowledge of time, discuss fractional parts of an hour, and use a specialized time ruler to calculate elapsed time for real life situations.    This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.


Thinkfinity Lesson Plans


Subject: Mathematics
Title: Inch by Inch      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students use an actual ruler to represent various fractions as lengths. This lesson builds on work done in a previous lesson with nonstandard measurement as students use a standard instrument to measure a variety of items. Several pieces of literature appropriate for use with this lesson are suggested.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5



Subject: Mathematics
Title: Investigating Fraction Relationships with Relationship Rods      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students use relationship rods to explore fraction relationships. Relationship rods are wooden or plastic rods in ten different colors. They range in length from one to ten centimeters. Each length is a different color. This work with relationships lays the foundation for work with more challenging fraction concepts.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5



Subject: Mathematics
Title: Making and Investigating Fraction Strips      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students make and use a set of fraction strips to represent the length model, discover fraction relationships, and work with equivalent fractions. They then create a virtual set of fraction strips using an online interactive activity.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5



Subject: Mathematics
Title: Investigating Equivalent Fractions with Relationship Rods      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students investigate the length model by working with relationship rods to find equivalent fractions. Students develop skills in reasoning and problem solving as they explain how two fractions are equivalent (the same length). Relationship rods are wooden or plastic rods in ten different colors, ranging in length from one to ten centimeters.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5



Subject: Mathematics
Title: More Fun with Fraction Strips      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students work with fraction strips to compare and order fractions. Building on work done with fraction relationships in a previous lesson, students develop skills in problem solving and reasoning as they make connections between various fractions.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5



Subject: Mathematics
Title: Fraction Models       Add Bookmark
Description: This student interactive, from Illuminations, explores several representations for fractions using adjustable numerators and denominators. Students can see decimal and percent equivalents, as well as a model that represents each fraction.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5,6,7,8



Subject: Mathematics
Title: Fraction Game       Add Bookmark
Description: This student interactive, from Illuminations, simulates a flash card fraction game. Students flip cards one at a time and try to match the values to the given number lines.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5,6,7,8



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: 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



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