1、8的乘法口诀,口答36 = 65 = 72 = 17 = 76 = 25 = 77 = 47 = 63 = 54 = 75 = 64 =,18,7,49,20,30,42,28,35,14,10,18,24,8,16,24,32,40,48,56,64,16,24,32,40,48,56,64,十六,二十四,三十二,四十,四十八,五十六,六十四,二八( ) ( )八四十八五八() 八( )六十四 四()三十二 ( )八二十四,十六,四十,八,六,八,三,32,32,32,48,48,48,56,56,56,8,8,1只螃蟹有几条腿?,2只螃蟹几条腿呢?,3只呢?,4只呢?,5只呢?,6只呢?,
2、7只呢?,8只呢?,28=16,(个),(棵),看卡片口算,并说说分别用哪句口诀计算的!85 = 84= 82 = 87= 81 = 83= 88 = 86=,40,16,8,64,32,56,24,48,填适当的数7 ( )=56 8 ( )=328 ( )=40 ( )( )=24,8,5,4,8,1,2,3,4,5,6,7,8,你能用口诀算一算吗?,56,12,32,24,64,16,48,21,42,40,24,4 6 2 66 8 8 8,7 6 7 85 8 5 4,8 4 3 82 8 3 7,游戏:摘苹果,20,开火车口答:,83=58=48=82=86=38=88=,24,40,32,16,48,24,64,82=67=58=56=73=48=83=,16,42,40,30,21,32,24,86=57=88=68=28=56=47=,48,35,64,48,16,30,28,U盘、电脑坏了?教学资料不见了?以前的资料没保存?每一届重复劳动?找不到精品课件、试题、教案反思?各大文库价格昂贵?来【163文库】吧,你可以:上传分享资料赚取零用钱;上传资料,永久保存,方便下届使用;百万教学资源供你下载;创建你的教学空间,分类收藏存储资料;【平台地址:】,