Mathematics Teacher (1945) Vol. 38, No. 7

  • Mathematics Teacher (1945) Vol. 38, No. 7

    THE MATHEMATICS TEACHER Volume XXXVIII Number 7 Edited by William David Reeve Number Concepts of Small Children By SINA M. MoTr Southern Illinois N01mal University, Carbondale, Ill. IN ORDER to study the development of number concepts an investigation was . made of those concepts held by two groups of children attendin