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ALEX Lesson Plans
Thinkfinity Lesson Plans
Subject: Mathematics Title: Arithme-Tic-Toc
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Description: In this Illuminations lesson, students are introduced to modular arithmetic by first examining a five-hour analog clock and its mathematical properties. Then students investigate patterns and relationships that exist in 12-hour addition and multiplication clock tables. There are links to online activity sheets and other resources. Thinkfinity Partner: Illuminations Grade Span: 6,7,8,9,10,11,12

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