知识点
序号 |
中 文 举 例 |
相 应 英 文 |
(1) |
1）2＋4＝6
2）6－2＝4
3）2×4＝8
4）8÷2＝4 |
1) Two plus four equals six. 【笔者当年没有引
导学生说成“Two and four is six.”，因为这样
的表达略嫌简单。】
2) Six minus two equals four.
3) Two multiplied by/times 4 equals eight.
4) 8 divided by 2 equals four. |
(2)a |
1）Tom比Jane多几本书？
2）一班比二班多几人？
3）（问题情境：Jim有12块
饼干，他吃了3块，）剩
下几块？
（常用于提出减法问题） |
1.How manymore books does Tom have than
Jane?
2.How manystudents are there in Class One
than (in) Class Two?
3.(Jim had 12biscuits. He ate 3.)
How many (biscuits) were left?
|
(2)b |
1）（问题情境：把8根香肠/
本书/枝铅笔两个两个分成
一组）可以分成几组香肠/
书/铅笔？
2）（问题情境：把10条鱼平
均分到两个鱼缸里。）每
个鱼缸里有几条鱼？
3）（问题情境：把12颗糖平
均分给4个小朋友。）每
个小朋友得到几颗糖？
（常用于提出除法问题） |
1.(Divide 8sausages / books / pencils into
groups of 2.) How many groups
ofsausages / books / pencils are there?
2.(Divide 10 fish equally into 2 tanks.) How
many fish are there in each tank?
3.(Share 12sweets equally between 4
children.) How many sweets does each
child get? |
(3)a |
CAI课件呈现加法问题情境：小池塘里有2只鸭子，岸上摇摇摆摆又走来了3只。一共有多少只鸭子？
【生1不会用恰当的介词短语描述两群鸭子的确切位置，他边解释算式时需用手对着情境图比划，才能告诉我们“here/there”指哪里；生2和生3的措词显然更准确.】
|
生1：There are 2 ducks here. There 3 ducks
there. Thereare 5 ducks altogether.
(That’s why I wrote:) 2 plus 3 equals 5.
生2：There are 2 ducks in the pond. There 3
ducks outsidethe pond. There are 5
ducks altogether. (That’s why I wrote:)2
plus 3 equals5.
生3：There are 2 ducks in the pond.
3 more ducks join in. There are 5 ducks
altogether. (That’s why I wrote:) 2 plus
3 equals 5. |
(3)b |
CAI课件呈现乘法问题情境：桌子上有3个托盘，每个托盘上有5个杯子。一共有多少个杯子？
【生1的回答与生2相比，其句式趋于固定、词汇不够丰富（如不会用tray等）】 |
生1：Thereare 3 groups. There are 5 glasses
in each group. One five, two fives,three
fives. (That’s why I wrote:) 3 times 5
equals 15. There are 15 glasses
altogether.
生2：Thereare 3 trays of glasses on the table.
On each tray, there are 5 glasses. 3
times 5 equals 15.
There are 15 glasses altogether. |
