【正文】 mly adj usted, cor r ected and r ej ect unsuit able, inappr opriat e and even against he new development ideas, behavior s and pr act ices, m or e pr agmatic approach based on a br oad vision, and cr eatively car ry out ecol gical constr uction, industr ial developm ent , im pr oving people39。 學(xué)生可能有的方法： ① 因?yàn)?3 個(gè) 200 相加是 600，所以 600247。t wait , can39。 ⑶ 談話：大家的想法都很有道理，自己選一種喜歡的方法，把 600247。32j233。 ⑷ 談話：怎樣檢查結(jié)果對(duì)不對(duì)？你會(huì)驗(yàn)算嗎？指名學(xué)生到黑板上驗(yàn)算，其他同學(xué)同時(shí)驗(yàn)算。 在獨(dú)立思考、與他人交流算法的過(guò)程中，獲得成功的體驗(yàn)，培養(yǎng)學(xué)習(xí)的主動(dòng)性以及合作、交流的意識(shí)，產(chǎn)生對(duì)數(shù)學(xué)的積極情感，提高解決實(shí)際問(wèn)題的能力。t wait , can39。 ① 選一組學(xué)生的豎式，說(shuō)說(shuō)是怎樣計(jì)算的。32j233。 4 40247。 可以用除法思考：裝 540 節(jié)電池需要 540247。 ⑶ 教師小結(jié)：大家發(fā)現(xiàn)得真好，而且觀察很有順序，能注意豎著對(duì)比每組三個(gè)算式之間的聯(lián)系，橫著對(duì)比三組算式之間的關(guān)系。 ② 每組的第二個(gè)算式的被除數(shù)比第一個(gè)算式的被除數(shù)末尾多了一 0，除數(shù)相同，商的末 尾也多了一個(gè) 0。 培養(yǎng)獨(dú)立探索、大膽嘗試及在合作交流中共同學(xué)習(xí)的意識(shí)與能力；在學(xué)習(xí)過(guò)程中感受成功體驗(yàn)，激發(fā)學(xué)習(xí)興趣。 培養(yǎng)估算的意識(shí)和驗(yàn)算的意識(shí)，體驗(yàn)解決問(wèn)題策略的多樣性。 學(xué)生可能的發(fā)現(xiàn)： ① 每組三個(gè)算式中被除數(shù)的第一個(gè)數(shù)字是相同的，除數(shù)是相同的，商的第一個(gè)數(shù)字也是相同的。s f eeling and happiness. To pr omot e povert y r elief and developm ent wor k. I mplementing povert y alleviat ion cr ucial pr oject is a major st rategic decision m ade by t he CPC Cent ral Commit tee, is also det ermined by t he pr ovincial fir st pr oj ect, we m ust unif y t hinking and act ion t o t he r equir ements of t he Centr al, provincial, r esolutely win t he pover ty batt le. The pr evious phase I to 18 st ations, Tahe, Pine Ridge r esear ch, visit ed m any of t he poor, go, t he heavier , m or e pr essur e. For povert y relief and development work, we m ust pay at tention t o it , always in mind, grasping hands, should not be blindly opt imist ic, t here can be no slack. Pover ty alleviation and development lies in pr ecise, accurate. Pr esent , in or der to f ind out t he r eal base of por people as soon as possible, e up wit h feasible pover ty standards, state card, built on the basis of document m anagement . To f irmly establish the pover ty r educt ion concept , increase t he int ensit y of resour ce int egration, and r elat ed f unding, wit h lim it ed f unds wisely. By using a binat ion of employment, ent repreneurship for povert y er adication povert y er adication, education, pover ty alleviation, m edical aid of pover ty means, due t o ef fect s of policies, t hose policies, ensure t he plet ion of mission obj ectives f or pover ty eradicat ion f or t he year. To act ively pr omot e the construction of new t owns. I n February t his year , pr omulgated by t he St at e Council on f urt her promoting urbanization constr uct ion of new opinions, proposed t o adhere t o the peoplecent er ed, four m odernizat ions ynchr onization, opt im izat ion, ecology civilzation and cult ural herit age of new ur banizat ion path wit h Chinese charact eristics. Accor ding t o dist rict wide const ruction of civilzed cit y and the beautif ul count ryside, f urt her st rengt hening of urban tr anspor t, wat er supply and dr ainage and sewage, waste disposal ground, underground, such as infr astr uct ur e const ruction, str ive t o create a saf er and mor e livable environment . To act ively seize t he f ul st op and oport unit ies f or pover ty alleviation and evelopment, f urt her effor ts to increase f or est vilages merge, populat ion t o t he Count y ( dist rict ) Council sit es and centr es concent rated in vilages and t owns. Combined development of urban const ruction and t our ism industr ies, car ef ul planni g and const ruct ion of a number of suitable f or r esident ial and f arm t our t owns and vilages, for ming one vilage one pr oduct , a f eat ur e patt ern. Closer t o t he masses. Since last year , our in dept h im plement at ion of t he leading cadres of grassroots masses at wor k, solve t he pr oblems of a lar ge number of people, get t he masses give wholehearted support o and pr aise, t his work wil car r y on, absolut ely cannot or movement. Grassroots masses and cadres in bination wit h povert y r eduction, bined wit h t he steady work of2 ③ 口算第二、三個(gè)算式時(shí)，只要和第一個(gè)算式一樣算，然后再看被除數(shù)末尾有幾個(gè) 0，在商的第一位的后邊添上幾個(gè) 0 就可以了。 可以用乘法思考： 130 個(gè)盒子可以裝 130 4＝ 520（節(jié)）電池，再用可以裝的520 節(jié)電池和要裝的 540 節(jié)電池比較，說(shuō)明準(zhǔn)備 130 個(gè)盒子不夠。 4 24247。v,243。 ② 其他小組有不同意見(jiàn)可以體溫，進(jìn)行答辯。t wait , st and stil. This not only provides new opport unit ies f or development in our egion, and gave us new r equir em ents. We m ust seize t he opport unit y, f ul use of national policy, has t o be m ore plicat ed, t o start and t ar get , give f ul play t o t he init iat ive of leading cadr es at all evels, act ive, act ive, f ocusing on building new m omentum f or developm ent, acceler ating t ransf orm at ion of f or est developm ent. To im plem ent he new development philosophy. Philosophy is t he action guide, new ideas and new development s. Car r ying out innovation, coor dination and evelopment of gr een, open, shar ed ideas, m ust be m easur able, dir ect act ion wit h new development concept s, t r aining cadr es. I n a new development concept as a yar dstick. Est ablished in line wit h t he new concept of evaluation syst em and evaluation crit erion, em bodies t he new developm ent policy, anization, m andat e im plement at ion, always m easur ed by t he new developm ent philosophy, conti uous c or ection of f or est r ansit ion cour se. I n a new development concept f or t he pat h mand. As part of t he im plement ation of t he new developm ent philosophy f olowed and act ion guidelines, fir mly adj usted, cor r ected and r ej ect unsuit able, inappr opriat e and even against he new development ideas, behavior s and pr act ices, m or e pr agmatic approach based on a br oad vision, and cr eatively car ry out ecol gical constr uction, industr ial developm ent , im pr oving people39。 一、復(fù)習(xí)導(dǎo)入 口算 20247。 三、鞏固練習(xí)，深化感知 模仿練習(xí) 學(xué)生獨(dú)立完成想想做做 2 的前兩題，教師巡視指導(dǎo)，再組織學(xué)生交流，解決個(gè)別問(wèn)題。Sq4 3 是怎么算的再說(shuō)一遍給同桌聽(tīng)。t wait , st and stil. This not only provides new opport unit ies f or development in our egion, and gave us new r equir em ents. We m ust seize t he opport unit y,