CHAN DOAN MDI SO SAI IJIM COA HOG SHIH TIEH HOC KHI HllHG SHY lUAN OOY NAP K H Q N E HOAN IBJUITROHG BAY HOG MON TOAN O ThS O O VAN HUNG* 1 Mdt trong nhirng ndng lye (NL) quan trpng dnh hudng trye t i[.]
CHAN DOAN MDI SO SAI IJIM COA HOG SHIH TIEH HOC KHI HllHG SHY lUAN OOY NAP KHQNE HOAN IBJUITROHG BAY HOG MON TOAN O Mdt nhirng ndng lye (NL) quan trpng dnh hudng trye tilp d i n chd't lupng, hiiu qud day hpc (DH) mdn Todn d tilu hpc (TH) Id NL chdn dodn cuo gido vien (GV) Thyc tiln cho thdy, neu mpt sy kien, hien tupng ndo dd xdy vd ldp di ldp Igi nhilu Idn thi GV cd the duo ro dy dodn «quy ludt" xud't hien cuo su kien, hien tupng dd Kit qud dy dodn cd the dOng hope sal (ehi Id mdt gid thuylt) nhung nhilu trudng hpp nd vdn cd mdt vol trd rdt quan trgng O TH, phdn Idn kiln thuc (KT) todn hgc (ede khdi niem, quy tdc, tinh chd't) dugc hinh thdnh cho hgc sinh (HS) nhung Igi khdng dugc djnh nghTo hodc khdng the chung minh chdt che dde diem Kr cOa HSTH Khi DH nhung KT ndy, thdng thi/dng mdt kit ludn chung, tdng qudt dupe rOt ro dya tren viSc xem xet kit qud cuo mdt sd trudng hpp rieng le Qua dd, HS ed the phdt hien vd ndm bdt KT mdi mdt cdch chu ddng, trdnh tinh frgng GV dp ddt ddi vdi HS Tuy nhien, vdi edeh thuc DH ndy, nhung kit ludn md HS rut cd t h i Id sol Idm, vi vdy, GV cdn phdi kiem nghiem vd xde djnh tinh dung hodc sai trude cho HS su dyng Ddy Id cdch DH dd dung phep suy ludn quy ngp khdng hodn todn (QNKHT) Mdt sd' khdi niem 1) Phep suy ludn quy ngp khdng hodn todn Suy ludn Id nhdn thuc biin thuc mgt each gidn tiip Id qud trinh hr cd quy ludt, quy tac nhd't dinh, xud't phdt tif mdt bay nhieu van di dd biet ngudi ta di den phdn dodn md/ (1; tr.85) Hodng Chung dd djnh nghTa, suy ludn Id qud trinh suy nghi dilu mgt bay nhiiu phdn dodn dd cd rut phdn dodn md/(2; fr.58) Trong (3; tr.3), suy ludn Id qud trinh suy nghT dd, hj mgt bode nhiiu minh di dd ed, ta rut minh di mdi Cd rdt nhilu quan niem v l phep QNKHT: QNKHT Id logi quy ngp dd, kit ludn dugc rut nbSm khdng djnh thudc tinh A thudc ve td't ed cdc phdn tu ciJa tap bap dang xet, tren co sd ThS O O V A N HUNG* dd mdi biet thudc tinh thudc ve mgt sdphin tu md thoi (1; tr.88) Hodc QNI