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1、單擊此處編輯母版標(biāo)題樣式,單擊此處編輯母版文本樣式,第二級(jí),第三級(jí),第四級(jí),第五級(jí),*,數(shù)的順序 比較大小,人教新課標(biāo)一年級(jí)數(shù)學(xué)下冊(cè),教學(xué)目標(biāo),1.,初步掌握,100,以?xún)?nèi)數(shù)的順序。,2.,初步會(huì)比較,100,以?xún)?nèi)數(shù)的大小。,3.,初步結(jié)合具體事物，使同學(xué)們 感受,100,以?xún)?nèi)數(shù)的意義，會(huì)用,100,以?xún)?nèi)的數(shù)表示日常生活中的事物，并進(jìn)行簡(jiǎn)單的估計(jì)和交流。,1,13,4,15,6,18,10,按順序填寫(xiě)。,2,4,6,8,10,11,13,15,17,19,22,28,33,37,44,46,55,64,66,73,77,82,88,91,99,按照數(shù)的順序，在空格里填數(shù)。,1,2,3,4,5,
2、6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,1,2,3,4,5,6,7,8,9,
3、10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,給十位是,3,的數(shù)涂上綠色。,1,2,3,4,5,6
4、,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,給個(gè)位是,3,的數(shù)涂上黃色。,1,2,
5、3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,給個(gè)位和十位數(shù)字相同的數(shù)
6、涂上粉色。,2,4,6,8,10,11,13,15,17,19,22,28,33,37,44,46,55,64,66,73,77,82,88,91,99,你還能從表里發(fā)現(xiàn)哪些有趣的排列？,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72
7、,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,第,4,行第,8,個(gè)數(shù)是多少,?,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69
8、,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,55,前面一個(gè)數(shù)是多少？,15,23,在百數(shù)圖表中找出下框里另外幾個(gè)數(shù)。,16,25,26,13,33,22,24,填空。,1,、比,49,大,1,的數(shù)是,(),。,2,、比,100,小,1,的數(shù)是,(),。,3,、,70,比,(),大,1,；,比,(),小,1,。,50,99,69,71,兒科病房從,1,號(hào)開(kāi)始看病，現(xiàn)在看第,48,號(hào)病人，,前面可能看過(guò)了多少個(gè)病人？,公雞,母雞,公雞打鳴，母雞生蛋。,比一比,28,26,百位十位個(gè)位,百位十位個(gè)位,比一比,39,45,3 2,3 0,64,58,45,47,6,5,4,4,5,7,兩位數(shù)比大小，先比十位，,十位上的數(shù)一樣，再比個(gè)位，,個(gè)位上的數(shù)大的這個(gè)數(shù)就大,。,在 里填上“,”,或“,=”,。,23 33,93 94,57 53,99 100,69 68,40 40,=,49,37,40,51,42,請(qǐng)把這些小魚(yú)按照從小到大的順序排列起來(lái)。,紅金魚(yú),48,條,花金魚(yú),15,條,黑金魚(yú),10,條,紅金魚(yú)比黑金魚(yú)多得多。,黑金魚(yú)比花金魚(yú)少一些。,本課總結(jié),牢記,100,以?xún)?nèi)數(shù)的順序，會(huì)比較,100,以?xún)?nèi)數(shù)的大小。,
《數(shù)的順序比較大小》課件
