00939cam a2200253 i 45000010008000000030008000080050017000160080041000330100017000740200015000910400027001060500027001330820015001602450121001752600072002963000035003684900066004035000020004696500036004897000023005257000020005487100049005688300068006172249011BD-DhUL20140821155153.0140820s1978    vaua     b    001 0 eng    a   77028831   a0873531213  aDLCcDLCdDLCdBD-DhUL00aQA1b.N3 1978aQA135.500a510.7bSUD00aDeveloping computational skills /cMarilyn N. Suydam, 1978 yearbook editor, Robert E. Reys, general yearbook editor.  aReston, Va. :bNational Council of Teachers of Mathematics,cc1978.  aviii, 245 p. :bill. ;c24 cm.1 aYearbook - National Council of Teachers of Mathematics ; 1978  aIncludes index. 0aArithmeticxStudy and teaching.1 aSuydam, Marilyn N.1 aReys, Robert E.2 aNational Council of Teachers of Mathematics. 0aYearbook (National Council of Teachers of Mathematics) ;v1978.