Resources for further reading:
How to count to 100 in German
Let's start with 36 to 102 in German
Practice Your Pronunciation With Rocket Record

Once you master the basic pattern, you can construct any number.
For example:
When talking about numbers between 100 and 999 always start with the first digit + a hundred and then read the last two digits starting from the right.
Here are some numbers from 103 to 1,000,000
It’s the same with numbers above 1000. Say all the digits starting from the left apart from the last two digits. Say the last two starting from the right.
For example:
If you want more lessons on German time then I recommend these ones!
- Counting in German.
- Know the days of the week in German.
- All the months in German.
Bis bald!
Paul Weber: Rocket German