四年级上册英语课件lesson4welcometothedogshow川教版三年级起点4

Lesson 4 Welcome to the Dog ShowFattyHattyWelcome to the dog show!Find out the numbers.找出图中的数字。116597410238Find out the rule.找出以下数字的发音规律。31330144015501660177018801990Lets do sums.一起计算总和。420121plusisWhats 20 plus 1？-Its 21.20加1等于多少？等于21。20+1=2120+2=30+3=40+4=70+5=90+10=100A:Whats.plus.?B:Its.22334475Can you say it in English?你能用英语说出它吗？5Can you say it in English?2 plus 1 is 3.2+1=3 3+2=5 4+3=7 5+4=9 2 minus 1 is 1.2 -1=1 3-2=1 4-3=1 5-4=1minusYes,I can.Choose numbers,“+”or“-”and“=”.组成等式并读出。1 1 2 +-=1+1=2 2-1=1 3 8 5 +-=16 9 7 +-=.HWPlease read th numbers of“Lets play”on page 41.作业：朗读课本41页Lets play部分的数字。6Company nameThank You!