认识倍（课件）人教版三年级上册数学

认识倍 义务教育教科书（人教版）三年级上册 第五单元50页例1 1 2 2只 6只 10只 长颈鹿的只数 比小鸭少4只 小鸭的只数比小兔多8只 2只 3个2只 长颈鹿的只数是小兔的3倍 1.谁与谁比？ 3.长颈鹿的只数里面有几个几只？ 长颈鹿的只数就是小兔的几倍？ 2.把谁的只数看作一份? 思考： 2只 3个2只 长颈鹿的只数是小兔的3倍 2只 5个2只 小鸭的只数是小兔的5倍 小鸭的只数是小兔的3倍 小鸭的只数是小兔的1倍 的个数是 的（ ）倍。 的个数是 的（ ）倍， 3 6 圈一圈，填一填 的个数是 的2倍 谢谢观看 一1 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一（2） com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一3 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一（4） com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一5 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一9 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一10 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一6 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一7 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一11 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一12 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一14 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一15 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一16 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一17 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一13 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一19 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一20 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一21 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一18 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一22 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一23 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一27 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 前半句 com.apple.VoiceMemos (iOS 13.6.1) 25-1 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一25-2 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一24 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一25 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) 一26满意 com.apple.VoiceMemos (“Administrator”的 iPhone (null)) $