Steffe, Leslie P. Children's fractional knowledge [electronic resource] / by Leslie P. Steffe, John Olive. - Boston, MA : Springer-Verlag US, 2010. - xxiii, 364 p. : ill., digital ; 24 cm. ISBN: 9781441905918 (electronic bk.) 9781441905901 (paper) Subjects--Topical Terms: Mathematics--Study and teaching (Elementary)--Philosophy.Numeracy.Fractions--Study and teaching (Elementary)--Case studies.Learning, Psychology of.Education.Mathematics Education.Number Theory. LC Class. No.: QA137 / .S74 2010 Dewey Class. No.: 372.72