ALEX Lesson Plans
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Title: Please Excuse My Dear Aunt Sally
Description:
As a handson lesson, the students will recognize the correct usage of the order of operations. In groups, the students will work cooperatively to discover the importance of following stepbystep instructions and apply that knowledge in solving algebraic equations by correctly using the order of operations.
This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Standard(s): [MA2015] (5) 9: Find wholenumber quotients of whole numbers with up to fourdigit dividends and twodigit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. [5NBT6]
Subject: Mathematics (4  5), or Technology Education (3  5)
Title: Please Excuse My Dear Aunt Sally
Description: As a handson lesson, the students will recognize the correct usage of the order of operations. In groups, the students will work cooperatively to discover the importance of following stepbystep instructions and apply that knowledge in solving algebraic equations by correctly using the order of operations.
This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
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Title: Let's Go Shopping!
Description:
This technologybased lesson provides students practice in collecting and organizing data through the use of grocery store circulars.
Standard(s): [MA2015] (3) 3: Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. (See Appendix A, Table 2.) [3OA3]
Subject: Mathematics (3  5), or Technology Education (3  5)
Title: Let's Go Shopping!
Description: This technologybased lesson provides students practice in collecting and organizing data through the use of grocery store circulars.
ALEX Multimedia
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Title: Lattice Multiplication
Overview:
"Lattice Multiplication" is another strategy to help multiplication make sense. Fourth grade students demonstrate and explain the steps of lattice multiplication. Standard(s):
[MA2015] (5) 9: Find wholenumber quotients of whole numbers with up to fourdigit dividends and twodigit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. [5NBT6]
Lattice Multiplication Overview: "Lattice Multiplication" is another strategy to help multiplication make sense. Fourth grade students demonstrate and explain the steps of lattice multiplication.
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Title: Finding Prime Using Eratosthenes' Seive
Overview:
This podcast was created by a group of 5th grade girls after they investigated Prime Numbers. The podcast gives background information about Eratosthenes and prime numbers. Then the students take the audience through the process of finding prime numbers using the Seive of Eratosthenes. Standard(s):
[MA2015] (5) 9: Find wholenumber quotients of whole numbers with up to fourdigit dividends and twodigit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. [5NBT6]
Finding Prime Using Eratosthenes' Seive Overview: This podcast was created by a group of 5th grade girls after they investigated Prime Numbers. The podcast gives background information about Eratosthenes and prime numbers. Then the students take the audience through the process of finding prime numbers using the Seive of Eratosthenes.
Thinkfinity Informational Materials
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Title: Number and Operations Web Links
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.
Standard(s): [MA2015] (5) 26: Classify twodimensional figures in a hierarchy based on properties. [5G4]
Subject: Mathematics Title: Number and Operations Web Links
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
Thinkfinity Interactive Games
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Title: Communicating about Mathematics Using Games: Playing Fraction Tracks
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 eexample from Illuminations contains an interactive version of a game that can be used in the grades 35 classroom to support students' learning about fractions. eMath Investigations are selected eexamples from the electronic version of the Principles and Standards of School Mathematics (PSSM). The eexamples are part of the electronic version of the PSSM document. Given their interactive nature and focused discussion tied to the PSSM document, the eexamples are natural companions to the iMath investigations.
Standard(s): [MA2015] (5) 26: Classify twodimensional figures in a hierarchy based on properties. [5G4]
Subject: Mathematics Title: Communicating about Mathematics Using Games: Playing Fraction Tracks
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 eexample from Illuminations contains an interactive version of a game that can be used in the grades 35 classroom to support students' learning about fractions. eMath Investigations are selected eexamples from the electronic version of the Principles and Standards of School Mathematics (PSSM). The eexamples are part of the electronic version of the PSSM document. Given their interactive nature and focused discussion tied to the PSSM document, the eexamples are natural companions to the iMath investigations. Thinkfinity Partner: Illuminations Grade Span: 3,4,5

