### Guess Your Telephone Number Math Game

This math game **ONLY** works with the format of US Telephone Numbers!

In order to play this math game, you need to: - Use a calculator that can display numbers as large as 99,999,999,999.
- If you are using your Smartphone calculator, turn your device to
**LANDSCAPE MODE** so that large numbers can be displayed! - Make sure that you perform the arithmetic steps as instructed.