How many people?
My Family
Your Family
Hiragana
100

三人

3 people

100

My mum

はは [haha]

100

おとうさん [otousan]

father 

100

What is missing? 

おと?さん

200

五人

5 people

200

My dad

ちち [chichi]

200

おかあさん [okaasan]

mother

200

What is missing? 

お?あさん

300

六人

6 people 

300

My older brother

あに [ani]

300

おじいさん [ojiisan]

grandfather

300
What is missing?

お_うと

400

一人 is said as:

hitori

400

My younger sister

いもうと [imouto]

400

おばあさん [obaasan]

grandmother

400

What is missing? 

?ふ

500

二人 is said as:

Futari
500

My grandfather

そふ [sofu]

500

おねえさん [oneesan]

older sister

500

What is missing?

?もうと