1、长颈鹿与小鸟,孟秋菊,我们有42只,6只小鸟住一间房子。,一共有42只小鸟。,6只小鸟住一间房子。,42只,住6只,42,6,长颈鹿要准备几间房子?,画图法,列表法,1,6,2,12,3,18,4,24,5,30,6,36,7,42,42,36,30,24,18,12,6,0,-6,-6,-6,-6,-6,-6,-6,42-6-6-6-6-6-6-6=0,连减法,用乘法口诀求商,六( )四十二, 426=7。,七,42只,住6只,42,6,答:要准备_间房子。,7,7,口诀:六七四十二,造一间房子需要7块小木板。,长颈鹿用63块小木板造了几间房子?,63,7,9,答:造了_间房子。,9,口诀:
2、七九六十三,还有几间空房子?还能住几只小鸟?,要想知道还有几间空房子,应先知道一共造了 间房子,42只小鸟住了 间房子,还有 间房子。列式:要想知道还能住几只小鸟,应先知道还有间空房子,每间空房子能住只小鸟,还能住只小鸟。列式:。,9,7,2,9-7=2(间),2,6,12,26=12(只),488=6(篮),6-2=4(篮) 48=32(根),努力吧!,9,6,8,6,7,7,6,9,8,6,4,7,7,7,8,7,4( ) 25( ) 3 20,想一想,6,6,8,4,5,6,9,9,819=9(个),答:每组9个,6,6,9,8,7,小蜗牛找家,9,7,6,7 = 56,9 = 63,3 = 21,7 = 28,9 = 45,6 = 42,5 = 35,8 = 64,8,7,7,4,5,7,7,8,8,6,6,4,3,8,3,4,7,9,8,56,8,7,有56个梨,平均分给8个小朋友, 每个小朋友可以分几个梨?,(个),有63只小鸟,平均分成7队, 每队有几只小鸟?,63,7,9,(只),谢谢!,