Learn Indonesian Numbers
The Indonesian numbers are very easy to remember. What you need to do is to cite the numbers at random order to make you get used to it. If it is possible you can try to associate the numbers with things such as prices, addresses, sizes, lengths, etc.
For -teens (numbers 13-19, thirteen, fourteen etc), you have belas in Indonesian language. So, for numbers (13-19) you should say 13 (tiga belas), 14 (empat belas), 15 (lima belas), etc. While for -ty (numbers 20-90), you have puluh in Indonesian language. So, for 20, you should say dua puluh, 30 (tiga puluh), 40 (empat puluh). Note that you should say the letter h clearly.
There are two words for “zero”: nol and kosong. Both words are equally commonly used.
It is common to use the word 'nomor' (number) in front of the citation of a number. For example, when you say an address, the word is often put in front of the number. For example, : Rumahnya di Jalan Supomo Nomor 13 A (His house is at number 13 A Supomo Street).
Other examples
Jl. Jenderal Sudirman 3, Tower 4
Jl. Proklamasi 6
Jl. Kalibata Raya no 25
Jl. Pramuka 30 C Blok A
Jl. Kalimantan no 177 GH
Telling Phone Number
Berapa nomor telepon...? (What is the Phone Number of...?)
In English, when you want to ask question with numbers you can say such as “what” and “how many”. So, you say "what is his phone number?”, "how many people are there in the room." But unlike English, in Indonesian when you ask a question that demand a certain number you say : "berapa". So. Indonesian people ask :
"Berapa nomor telepon telepon kantor anda?" (What is your office telephone number?
"Ada berapa orang di ruangan itu?"
(How many people are there in that room?
Telling a place with Numbers
There is a simple structure to say something with number such as the following.
ada + number + name of a thing/building etc. + preposition + name of a thing/place
For example:
Ada dua anak sekolah di depan sekolah.
(There are two students in front of the school).