Unit 6 I have fifty markers Lesson 21 课件 25张PPT 无音视频

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• 资料版本：北京版
• 适用地区：全国
• 文件大小：3.4MB

资料简介

5+10=15
5x3=15
15=5+5+5
Let's write down the formula(算式)
Lesson twenty-one

Unit 6 I have fifty markers



Welcome to Lala's Maths class.
20
30
80
50
10
90
60
100
1.Do you know these numbers?

40
70
20
30
80
50
10
90
60
70
100
Let's read them.

40
What's missing?

10, ,30
10,20,30
What's missin...