# ALEX Resources

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 Lesson Plans (3) Informational Materials (1) Interactives/Games (1)

ALEX Lesson Plans
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Subject: Mathematics (4)
Title: Pizza Problems: An Angle Investigation
Description: This investigative lesson allows students to identify angle measurements as part of a larger angle. Students will deconstruct 180 degree angles into equal parts.  This is a College- and Career-Ready Standards showcase lesson plan.

Thinkfinity Lesson Plans
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Subject: Mathematics
Title: Another Look at Fractions of a Set
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

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Subject: Mathematics
Title: The Variable Machine
Description: This Illuminations lesson provides an introduction to the use of variables. Students explore the idea of variable as a symbol that can stand for any member of a set of numbers, and they substitute numbers for variables (letters) to discover unknown values.
Thinkfinity Partner: Illuminations

Thinkfinity Informational Materials
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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