32-02 数学

名称：32-02 数学
内容简介：
What's 3 plus 2?
3加2是多少？
3 plus 2 equals 5.
3加2等于5.
Look! 2 more birds came. How many birds are
there in all?
看！多来了2只鸟。一共有多少只鸟？
There were 3 birds already. So there are 5 birds
all together.
原本有3只，所以总共有5只。
If we write it in a number sentence, it's 3+2=5.
如果我们写成数学公式的花。就是3+2=5。
5 is 2 more than 3.
5是2加上3.
What's 5 minus 2?
5减去2是多少？
5 minus 2 equals 3.
5减去2等于3。
There were 5 birds, but 3 birds flew away. How many birds are left?
这里有5只鸟，不过飞走了3只，还剩多少只鸟呢？
I'll take away 3 from 5. 2 birds are left now.
从5那里拿掉3，现在还剩2只鸟。
Let's write it in a number sentence. It's 5-3=2.
我们把它写成公式吧。这就是5-3=2。
I took away 2 apples from 5 apples. How many are left?
我从5个苹果中拿走2个。那还剩下多少个？
I will give you three more apples. How many do you have now?
我再多给你3个苹果。那你现在有多少个？
By what number is 2 smaller than 5?
2比5小多少？
What is 3 less than 5?
3比5少多少？
2 is 3 less than 5.
2比5少3。
What's 3 times 2?
3乘2是多少？
Read this multiplication sentence.
读读这个乘法公式。
3 times 2 equals 6.
3乘2等于6。
I have 2 sets of 3 pencils. How many pencils do I have?
我有两组三支铅笔的组合。我有多少铅笔？
Six pencils. It's the same as 3 plus 3.
有6根。这个3加3是一样的。
What's 6 divided by 2?
6除以2是多少？
Read this division sentence.
读读这个除法公式。
6 divided by 2 equals 3.
6除以2等于3
Two kids will share 6 pencils equally. How many pencils can each have?
把六支铅笔平均分给两个小孩，每个人可以有几支？
Each kid can have 3 pencils because 6 is divided by 2.
把6除以2 的话，每个小孩可以有3支铅笔。
If l is equally divided by 3, each part is called one third.
如果把1平均地分成3块的话，每块就叫
做3分之1.
It's read one fourth
这个读做4分之1.
Is it smaller than l ?
这比1小吗？
Let's cut this bread into 3 pieces. What do you call one piece?
我们把面包切成3块。一块叫做什么呢？
One part is one third.
一块是3分之1.
The fraction sentence looks like this .
分数的公式看起来像这样。