川教版四年级上册Lesson 2 What's the missing number?课堂教学ppt课件

这是一份川教版四年级上册Lesson 2 What's the missing number?课堂教学ppt课件，共16页。PPT课件主要包含了 45 ， 39 ， 27 ，找不同类的单词等内容，欢迎下载使用。
Gals fr the lessn:
1. I can read the wrds f numbers . （我能说会读一些数字单词。）2. I can understand the cnversatin . （我能理解对话。）3. I can read the cnversatin . （我能朗读对话。）4. I can act the cnversatin . （我能表演对话。）
2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 3031 32 33 34 35 36 37 38 39 40 42 43 44 45 46 47 48 49 5051 52 53 54 55 56 57 58 59
Gal 1：I can read the wrds f numbers .
I can read the wrds f numbers .
— What’s the missing number？— It’s ________ .
14 - ? = 220 - ? = 5
※ Furteen minus twelve is tw.※ Twenty minus fifteen is five.
What’s the missing number?Bys and girls, lk here. What’s the missing number?Srry, I dn’t knw. Think it ver. Sixteen minus tw is furteen. Eight minus tw is six.Oh, I see. The missing number is eight. What a clever by!
What's 90 minus 30 ?
100 — 50 =
Lk and match.(看图并连线）
1. 852. 383. 1004. 765. 27
ne hundred twenty-seven thirty-eight eight-five seventy-six
( )1. A. seventy B. frty C. thirty-three( )2. A. clever B. nine C. twenty( )3. A. fifty B. eight C. by( )4. A. ne hundred B. sixty C. number ( )5. A. minus B. clever C. plus