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Magnifying mathematics with digital microscopes. (English)
Ohio J. Sch. Math. 73, 22-30 (2016).
Summary: This article describes a series of activities for intermediate-level students to explore ratio reasoning using a digital microscope. In the Common Core State Standards, this subject is addressed for sixth- and seventh-grade students, although this type of reasoning should be introduced at a younger age. Thus, the authors designed this set of activities and then implemented them with a group of fourth-graders. The lesson was well-received and established a foundation for future development of ratio reasoning.
Classification: F82 F72
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