1、100以內(nèi)數(shù)的順序,蘇教版一年級(jí)數(shù)學(xué)下冊(cè),1,19,11,23,34,43,53,64,73,82,91,25,26,37,48,58,67,75,76,78,89,100,10,28,2,22,32,42,52,62,72,92,13,3,33,63,83,21,31,41,51,61,71,81,12,24,14,4,44,54,74,84,93,94,35,65,15,5,45,55,85,95,36,66,16,6,46,56,86,96,27,77,17,7,47,57,87,97,38,68,18,8,88,98,49,59,79,29,39,69,9,99,80,40,50,70

2、,20,30,60,90,搶答,99,70,39,41,比69大1的數(shù)是（ ）,比100小1的數(shù)是（ ）,40比（ ）大1，比（ ）小1。,搶答,31,30,32,36,35,100,34,99,96,94,95,92,91,37,38,39,90,89,在1100的數(shù)里，個(gè)位上是5的數(shù)有哪些？,在1100的數(shù)里，十位上是5的數(shù)有哪些？,在1100的數(shù)里，個(gè)位上是0的數(shù)有哪些？,小明去醫(yī)院看病，他排到的號(hào)碼是一個(gè) 兩位數(shù)，而且個(gè)位上與十位上數(shù)的和是8， 看著“百數(shù)表”猜一猜，他可能排在多少號(hào)？,王醫(yī)生從1號(hào)病人看起,現(xiàn)在要看第35號(hào)病人。已經(jīng)看了多少病人?,1,19,11,23,34,43,5

3、3,64,73,82,91,25,26,37,48,58,67,75,76,78,89,100,10,28,2,22,32,42,52,62,72,92,13,3,33,63,83,21,31,41,51,61,71,81,12,24,14,4,44,54,74,84,93,94,35,65,15,5,45,55,85,95,36,66,16,6,46,56,86,96,27,77,17,7,47,57,87,97,38,68,18,8,88,98,49,59,79,29,39,69,9,99,80,40,50,70,20,30,60,90,填出框中缺少的數(shù),45,56,46,55,67,78

4、,68,77,67,78,68,77,15,16,25,26,豎行：十位依次多1，個(gè)位相同。,橫行：十位相同，個(gè)位依次多1 。,1,19,11,23,34,43,53,64,73,82,91,25,26,37,48,58,67,75,76,78,89,100,10,28,2,22,32,42,52,62,72,92,13,3,33,63,83,21,31,41,51,61,71,81,12,24,14,4,44,54,74,84,83,94,35,65,15,5,45,55,85,95,36,66,16,6,46,56,86,96,27,77,17,7,47,57,87,96,38,68,18,8,88,98,49,59,79,29,39,69,9,99,80,40,50,70,20,30,60,90,填出框中缺少的數(shù),豎行：十位依次多1，個(gè)位相同。,橫行：十位相同，個(gè)位依次多1 。,42,52,41,43,65,66,55,75,22,42,31,33,87,86,77,97,謝謝！,98,97,87,45,44,46,35,55,88,25,填一填,28,37,38,24,26,15,35,教學(xué)目標(biāo),1.通過(guò)自主探索、合作交流，使同學(xué)們完成對(duì)“百數(shù)表”的整理，進(jìn)一步理解100