Connecting the Tangent Function to Cardinality: A Method for Introducing Set Theory to High School Students

High school students often ask questions about the nature of infinity. When contemplating what the “largest number” is, or discussing the speed of light, students bring their own ideas about infinity and asymptotes into the conversation. These are popular ideas, but formal ideas about the nature of...

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Main Authors: Steve Deihl, Mara P. Markinson
Format: Article
Language:English
Published: Columbia University Libraries 2019-12-01
Series:Journal of Mathematics Education at Teachers College
Subjects:
Online Access:https://journals-test.library.columbia.edu/index.php/jmetc/article/view/4190
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author Steve Deihl
Mara P. Markinson
author_facet Steve Deihl
Mara P. Markinson
author_sort Steve Deihl
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description High school students often ask questions about the nature of infinity. When contemplating what the “largest number” is, or discussing the speed of light, students bring their own ideas about infinity and asymptotes into the conversation. These are popular ideas, but formal ideas about the nature of mathematical sets, or “set theory,” are generally unknown to high school students. The authors propose a method for introducing basic ideas in set theory to high school trigonometry students by connecting prior knowledge of the tangent function and the unit circle to Georg Cantor’s ideas about infinity. By doing so, high school teachers have an opportunity to inspire their students with rich mathematics.
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spelling doaj.art-7aaf67805db640859d71e484b91684002022-12-22T03:17:48ZengColumbia University LibrariesJournal of Mathematics Education at Teachers College2156-14002156-13972019-12-01102Connecting the Tangent Function to Cardinality: A Method for Introducing Set Theory to High School StudentsSteve Deihl0Mara P. Markinson1East-West School of International StudiesQueens College City University of New YorkHigh school students often ask questions about the nature of infinity. When contemplating what the “largest number” is, or discussing the speed of light, students bring their own ideas about infinity and asymptotes into the conversation. These are popular ideas, but formal ideas about the nature of mathematical sets, or “set theory,” are generally unknown to high school students. The authors propose a method for introducing basic ideas in set theory to high school trigonometry students by connecting prior knowledge of the tangent function and the unit circle to Georg Cantor’s ideas about infinity. By doing so, high school teachers have an opportunity to inspire their students with rich mathematics.https://journals-test.library.columbia.edu/index.php/jmetc/article/view/4190algebra IIasymptotecardinalityconnecting representationsGeorg Cantorinfinity
spellingShingle Steve Deihl
Mara P. Markinson
Connecting the Tangent Function to Cardinality: A Method for Introducing Set Theory to High School Students
Journal of Mathematics Education at Teachers College
algebra II
asymptote
cardinality
connecting representations
Georg Cantor
infinity
title Connecting the Tangent Function to Cardinality: A Method for Introducing Set Theory to High School Students
title_full Connecting the Tangent Function to Cardinality: A Method for Introducing Set Theory to High School Students
title_fullStr Connecting the Tangent Function to Cardinality: A Method for Introducing Set Theory to High School Students
title_full_unstemmed Connecting the Tangent Function to Cardinality: A Method for Introducing Set Theory to High School Students
title_short Connecting the Tangent Function to Cardinality: A Method for Introducing Set Theory to High School Students
title_sort connecting the tangent function to cardinality a method for introducing set theory to high school students
topic algebra II
asymptote
cardinality
connecting representations
Georg Cantor
infinity
url https://journals-test.library.columbia.edu/index.php/jmetc/article/view/4190
work_keys_str_mv AT stevedeihl connectingthetangentfunctiontocardinalityamethodforintroducingsettheorytohighschoolstudents
AT marapmarkinson connectingthetangentfunctiontocardinalityamethodforintroducingsettheorytohighschoolstudents