So if you had some number back in grade school like 123, well, why do we express this as 123?

在小学，像123这样的数，为什么我们要表达成123这样的呢？

哈佛公开课 - 计算机科学课程节选

But when I went to public school in ninth grade, that's when I was like, "Wow!"

但是当我上九年级时在公立学校上，那时我就觉得“哇”！

现在的孩子好可怕 - SpeakingMax英语口语达人

0 So if you do for instance 11 divided by 10 in grade school, 1 that's 1 with the remainder of 1.

举个例子，11除以，得1余。

哈佛公开课 - 计算机科学课程节选

My name is Maria D'Itria, and I teach 5th grade class at the Harvard Kent School in Boston.

我叫玛利亚。狄翠娅,我在波士顿的哈佛肯特学校教授五年级课程。

麻省理工公开课 - 媒体、教育、市场课程节选

I was kicked out of school when I was in third grade for refusing to salute the flag.

我在三年级的时候,因为拒绝向国旗敬礼而被退学。

普林斯顿公开课 - 人性课程节选

You might recall from grade school sometimes you put things in parentheses so that your addition happens first, then your multiplication, otherwise multiplication would happen by default first.

你们可能会想起小学时，将一些加法表达式,放在圆括号里，这样加法可以先计算，然后是乘法，否则，乘法默认先发生。

哈佛公开课 - 计算机科学课程节选

But all of you in this room probably remember what we technically call the base 10 system or decimal system because back in grade school or the like, you learned to count and add and subtract numbers by way of columns.

但是，在座的每一位可能都记得,这在小学的时候学的,以10为进制的系统或者十进制系统,通过数列方式学习数数和加减法。

哈佛公开课 - 计算机科学课程节选

Just as in grade school when you're doing division and multiplication, you do it from left to right in terms of order of operations.

正像是在小学你做除法和乘法的时候,你毫不含糊地从左到右,按顺序做运算。

哈佛公开课 - 计算机科学课程节选

3% of black school children in fourth grade are left behind proficiency levels.

做了评估，其中，在四年级的黑人孩子里,63%阅读能力较差，58%的西班牙孩子。

麻省理工公开课 - 媒体、教育、市场课程节选