四年级上册英语课件-lesson 1 let's do sums ∣川教版(三年级起点). (共16张PPT)

Lesson 1 Let’s Do Sums 21 twenty-one 30 thirty 32 thirty-two 40 forty 43 forty-three 50 fifty 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 What are they doing? A、 They are playing football. B、 They are watching TV. C、They are doing sums. (C) Tips for reading. 1、You can guess(猜) according(依照) to the pictures (图片). 2、You can guess(猜) according(依照) to the context (上下文). 3、You can ask (问) your teacher or classmates (同 学). 4、You can consult (查阅) the words list (单词表) or the dictionary(字典) Hi, kids. Let’s do sums. OK? Ok. What’s 14 plus 12 ? It’s 25