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010       66025212 //r68 
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040    LC|beng|cRID 
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100 1  Scott, Lloyd F.|0https://id.loc.gov/authorities/names/
       no00046346 
245 10 Trends in elementary school mathematics. 
264  1 Chicago :|bRand McNally,|c[1966] 
300    ix, 215 pages :|billustrations ;|c22 cm. 
336    text|btxt|2rdacontent 
337    unmediated|bn|2rdamedia 
338    volume|bnc|2rdacarrier 
490 1  New trends in curriculum and instruction series 
504    Bibliography: pages 193-209. 
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 
830  0 New trends in curriculum and instruction series. 
901    MARCIVE 20231220 
935    44136