Red
Yellow
Purple
Black
White
100
Two (two something)
liang 两
100
three teachers
san ge laoshi 三个老师
100
two Americans
liang ge mei guo ren 两个美国人
100
two last names
liang ge xing 两个性
100
What's your last name?
nin gui xing ? 您贵姓？
200
measure word (general measure word/most used measure word)
ge 个
200
four classmates
si ge tong xue 四个同学
200
Eight British people
ba ge ying guo ren 八个英国人
200
fifteen years old
shi wu sui 十五岁
200
How are you?
ni hao ma? 你好吗？
300
Do you need plural when you want to say "five people" ?
No, because the number "five" is enough information to indicate plural, there is no need to put plural after people.
300
five names
wu ge ming zi 五个名字
300
nine schools
jiu ge xue Xiao 九个学校
300
Very nice to meet you.
hen gao xing ren shi ni. 很高兴认识你。
300
How about you?
ni ne? 你呢？
400
One person
yi ge ren 一个人
400
six countries
liu ge guo 六个国
400
ten classmates
shi ge tong xue 十个同学
400
May I ask, excuse me
qing wen 请问
400
How Old are you?
ni duo da ? or ni ji sui? 你多大？ 你几岁？
500
two people
liang ge ren 两个人
500
Seven Chinese（people)
qi ge zhong guo ren 七个中国人
500
twenty people
er shi ge ren 二十个人
500
What's your name?
ni Jiao shen men ming zi ? 你叫什么名字？
500
What's your nationality? I am American.
Ni shi na guo ren? wo shi mei guo ren . 你是哪国人？ 我是美国人。
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