skip to main content
department
Free access

Puzzled
Understanding relationships among numbers

Published: 01 May 2009 Publication History

Abstract

Welcome to three new challenging mathematical puzzles. Solutions to the first two will be published next month; the third is as yet (famously) unsolved. In each puzzle, the issue is how numbers interact with one another.

Cited By

View all
  • (2011)Logic training through algorithmic problem solvingProceedings of the Third international congress conference on Tools for teaching logic10.5555/2021573.2021581(62-69)Online publication date: 1-Jun-2011
  • (2011)Logic Training through Algorithmic Problem SolvingTools for Teaching Logic10.1007/978-3-642-21350-2_8(62-69)Online publication date: 2011
  • (2009)Which Mathematics for the Information Society?Proceedings of the 2nd International Conference on Teaching Formal Methods10.1007/978-3-642-04912-5_4(39-56)Online publication date: 27-Oct-2009

Index Terms

  1. Puzzled

    Understanding relationships among numbers

    Recommendations

    Comments

    Information & Contributors

    Information

    Published In

    cover image Communications of the ACM
    Communications of the ACM  Volume 52, Issue 5
    Security in the Browser
    May 2009
    132 pages
    ISSN:0001-0782
    EISSN:1557-7317
    DOI:10.1145/1506409
    Issue’s Table of Contents
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

    Publisher

    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 01 May 2009
    Published in CACM Volume 52, Issue 5

    Permissions

    Request permissions for this article.

    Check for updates

    Qualifiers

    • Department
    • Popular
    • Un-reviewed

    Contributors

    Other Metrics

    Bibliometrics & Citations

    Bibliometrics

    Article Metrics

    • Downloads (Last 12 months)142
    • Downloads (Last 6 weeks)26
    Reflects downloads up to 01 Mar 2025

    Other Metrics

    Citations

    Cited By

    View all
    • (2011)Logic training through algorithmic problem solvingProceedings of the Third international congress conference on Tools for teaching logic10.5555/2021573.2021581(62-69)Online publication date: 1-Jun-2011
    • (2011)Logic Training through Algorithmic Problem SolvingTools for Teaching Logic10.1007/978-3-642-21350-2_8(62-69)Online publication date: 2011
    • (2009)Which Mathematics for the Information Society?Proceedings of the 2nd International Conference on Teaching Formal Methods10.1007/978-3-642-04912-5_4(39-56)Online publication date: 27-Oct-2009

    View Options

    View options

    PDF

    View or Download as a PDF file.

    PDF

    eReader

    View online with eReader.

    eReader

    Digital Edition

    View this article in digital edition.

    Digital Edition

    Magazine Site

    View this article on the magazine site (external)

    Magazine Site

    Login options

    Full Access

    Figures

    Tables

    Media

    Share

    Share

    Share this Publication link

    Share on social media