Media type: E-Article Title: Students’ Explanations of Place Value in Addition and Subtraction Contributor: Nagel, Nancy G.; Swingen, Cynthia Carol imprint: National Council of Teachers of Mathematics, 1998 Published in: Teaching Children Mathematics Language: Not determined DOI: 10.5951/tcm.5.3.0164 ISSN: 2327-0780; 1073-5836 Keywords: Materials Chemistry ; Economics and Econometrics ; Media Technology ; Forestry Origination: Footnote: Description: <jats:p>Research studies and experiences with young children reveal that many of them have difficulty learning and applying place-value concepts in mathematics.</jats:p>