01066cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040004900111050002400160110005300184245004200237260005300279300001900332490007800351500008700429500010700516504009000623650003700713700004500750999001700795e  33001390 DLC20260227111224.0800521s1933    sdu      b    000 0 eng c  ae  33001390   a(OCoLC)6341953  aLibrary, U.S. Office of EducationcTxCMdDLC00aLB1561.S8bA3 no. 91 aSouth Dakota.bDepartment of Public Instruction.10aMathematics for secondary schools ...  aSioux Falls, S.D.,bFischer Printing Co.c[1933]  a174 p.c23 cm.0 aCourse of study bulletin,vno. 9. Secondary schools of South Dakota, 1933  aAt head of title: State of South Dakota. Department of public instruction. Pierre.  a"Prepared by Committee for mathematics course of study ... Dr. T. M. Risk, executive chairman." p. [5]  a"Additional general reading list for high school mathematics teachers." p. [173]-174. 0aMathematicsxStudy and teaching.1 aRisk, Thomas M.q(Thomas Marion),d1885-  c21363d21363