Previous articleNext article No AccessThe "Crutch" in ArithmeticRobert H. KoenkerRobert H. Koenker Search for more articles by this author PDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmail SectionsMoreDetailsFiguresReferencesCited by The Elementary School Journal Volume 58, Number 4Jan., 1958 Article DOIhttps://doi.org/10.1086/459629 Views: 3Total views on this site Citations: 1Citations are reported from Crossref Copyright 1958 The University of ChicagoPDF download Crossref reports the following articles citing this article:Charles Sauls, B. F. Beeson The Relationship of Finger Counting to Certain Pupil Factors, The Journal of Educational Research 70, no.22 (Dec 2014): 81–83.https://doi.org/10.1080/00220671.1976.10884957