LEADER 00000cam a2200325   4500 
008    681125s1968    mnua     b    001 0 eng u 
010       68056887 
035    (CaOTULAS)121019433 
035    |9(CaOTULAS)121019433 
040    LC|beng|cRID 
049    RIDM 
050  0 QA135.5|b.O4 
081    CTL0143890 
082    372.7/2 
090    QA135.5 .O4 
100 1  Olson, Waldemar,|d1907-|0https://id.loc.gov/authorities/
       names/no2014076385 
245 10 Methods of teaching elementary school mathematics. 
264  1 Minneapolis :|bBurgess Pub. Co.,|c[1968] 
300    iii, 273 pages :|billustrations ;|c27 cm 
336    text|btxt|2rdacontent 
337    unmediated|bn|2rdamedia 
338    volume|bnc|2rdacarrier 
504    Bibliography: pages 267-270. 
650  0 Mathematics|xStudy and teaching (Elementary)|0https://
       id.loc.gov/authorities/subjects/sh85082163 
650  7 Mathematics|xStudy and teaching (Elementary)|2fast|0https:
       //id.worldcat.org/fast/1012272 
740 0  Elementary school mathematics. 
901    MARCIVE 20231220 
935    38526