LEADER 00000cam a2200361   4500 
008    760422t19761976caua     b    001 0 eng u 
010       75016772 
020    0846504081 
035    (CaOTULAS)120976056 
035    |9(CaOTULAS)120976056 
040    LC|beng|cRID 
049    RIDM 
050  0 QA135.5|b.B29 
081    CTL0026596 
082    372.7 
090    QA135.5 .B29 
100 1  Baur, Gregory R.|0https://id.loc.gov/authorities/names/
       n83191594 
245 10 Helping children learn mathematics :|ba competency-based 
       laboratory approach /|cGregory R. Baur, Linda Olsen 
       George. 
264  1 Menlo Park, Calif. :|bCummings Pub. Co.,|c[1976] 
264  4 |c©1976 
300    406 pages :|billustrations ;|c25 cm 
336    text|btxt|2rdacontent 
337    unmediated|bn|2rdamedia 
338    volume|bnc|2rdacarrier 
504    Includes bibliographies and index. 
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 
700 1  George, Linda Olsen.|0https://id.loc.gov/authorities/names
       /n84181337 
901    MARCIVE 20231220 
935    1302