《长颈鹿和小鸟》课件

课件30张PPT。36÷6 = 18÷2 = 81 ÷9= 72÷9 = 36÷4 = 24÷3 = 42÷7 = 48÷8 = 69898663×6 = 12÷6 = 35÷5 = 56÷8 = 71872910÷2 = 5525÷5 = 67897× ( )=56 ( )×9=72 8× ( )=48 ( )×6=42
9× ( )=63 3× ( )=21 ( )×4=36 ( )×5=35
找一找：6789 ( )×9=72 8× ( )=48 ( )×6=42
9× ( )=63 3× ( )=21 ( )×4=36 ( )×5=35
找一找：6789 8× ( )=48 ( )×6=42
9× ( )=63 3× ( )=21 ( )×4=36 ( )×5=35
( )×9=728找一找：6789 ( )×6=42
9× ( )=63 3× ( )=21 ( )×4=36 ( )×5=35
( )×9=728找一找：6789

( )×4=36 ( )×5=35
( )×9=728( )×6=427找一找：6789
9× ( )=63 3× ( )=21 ( )×4=36 ( )×5=35
( )×9=7288× ( )=486找一找：6789
( )×5=35
( )×9=728( )×6=427找一找：6789
( )×6=429× ( )=63( )×4=368× ( )=486779找一找：长颈鹿和小鸟北师大版二年级数学上册我们有42只6只小鸟住一间房子。一共有42只小鸟。造一间房子需要7块小木板。6只小鸟住一间房子。我们有42只6只小鸟住一间房子。造一间房子需要7块小木板。42只住6只42÷6画图法列表法1621231842453063674242363024181260-6-6-6-6-6-6-642-6-6-6-6-6-6-6=0连减法用乘法口诀求商六（七）四十二，
42÷6=7。你觉得哪种方法最简便。用乘法口诀求商42只住6只42÷6答：要准备__间房子。77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÷79答：造了__间房子。9口诀：七九六十三还有几间房子？还能住几只小鸟？一共造了几间房
子？已经住了几
间房子？9－722×612答：还有2间空房子，
还能住12只小鸟。努力吧！66987小蜗牛找家976 7× = 56 9× = 63 3× = 217× = 28 ×9 = 45 ×6 = 42 ×5 = 35 ×8 = 64 8 7 7 4 5 7 7 8866438347985687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?6379(只) 小 结大家在学习中体验到除法运算与生活实际的密切联系了吗？课后思考还有哪些问题可以用除法解决并完成书后91页练习。