四年级上册英语课件-lesson4 welcome to the dog show ∣川教版(三年级起点) (4) (共15张PPT)

Lesson 4 Welcome to the Dog Show Fatty Hatty Welcome to the dog show! Find out the numbers. 找出图中的数字。 1 1 6 5 9 7 4 10 2 3 8 Find out the rule. 找出以下数字的发音规律。 3 13 30 14 40 15 50 16 60 17 70 18 80 19 90 Let's do sums. 一起计算总和。 4 20 1 21 plus is What's 20 plus 1？ --It's 21. 20加1等于多少？ 等于21。 20 + 1 = 21 20 + 2 = 30 + 3 = 40 + 4 = 70 + 5 = 90 + 10 = 100 A: What's ...plus...? B: It's... 22 33 44 75 Can you say it in English? 你能用英语说出它吗？ 5 Can 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=1 minus Yes, 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 + - = ... HW Please read th numbers of “Let's play” on page 41. 作业：朗读课本41页Let's play部分的数字。 6 Thank You! Company name $$