Number Pattern
学习内容:
Number Pattern(数字的规律组合,培养代数思维)
First,let's find the treasure!
Q:What's this place?
A:It's a castle.
There is treasure in the castle.
A:This is a broken bridge.
Q:What are they? A:They are stepping stones.
Q:Are there more aliens or more Teddy bears?
A:There are more aliens than Teddy bears.
Q:Which door has more circles than triangles and the door handles are rectangles?
A:It's the first door.
Q:5,10,15,_,_,30,35,what are the missing numbers?
Q:How to get 10 from 5? A:5 plus 5 equals 10.
A:So the rule of the pattern is addding/plus 5.
Q:What is 15 and 5 more?
A:15 and 5 more is 20.
Q:What is 20 and 5 more? A:20 and 5 more is 25.
A:So the missing numbers are 20 and 25.
Q:What's the rule of this pattern?
A:The rule of this pattern is to subtract 1.
Q:Which number doesn't belong here?
A:6 doesn't belong here because 6 is not an odd number.
Q:What's the rule of this pattern?
A:The rule of this pattern is adding/plus 2.
本课教学目标:
1.学科知识:能通过复习shape pattern来复习强化关于Patter的定义,明白pattern is repeated in the same order,并能够运用定义来判断是否属于pattern
2.学科知识:能找出一组数字中递加或递减的规律,并懂得运用加减法来找出缺失的数字
3.学科思维:认识和补全并扩展学习数字中存在的规律
4..学科知识:能够懂得组织语言来表示数字的奇偶性和数间的规律,
5.学科知识:通过课件积累部分常见词汇,例如castle,bridge,treasure even,odd,stone,add, subtract;
本课关键词:
1. How many more and 1 is 3?1 and 2 more is 3.
2. How do we get 3 from 5? We add 2 to 3 to get five.
3. What is the rule of this pattern? The pattern is to subtract one.
4. What do numbers 2,4,6 have in common? They are all even numbers.
5. What do numbers 1,3,5 have in common? They are all odd numbers.
6.What is one fewer than five? Four is one fewer than five.
课后作业:
1. 语音作业-复习语音,孩子自己思考进行回答,不要单纯的复述句子。
2. 笔头作业
A. 完成Classroom Connection Book第68页杨辉三角的练习。
B. 完成Home Appication Book第18页的练习。