Here is your mission
You need a calculator
Enter the number 999 into your calculator
Now, you can use any function (add, subtract, multiply or divide) and any of the numbers:
1,2,3,4,5,6,7,8,9
(but you can only use a number once).
The idea is to reduce 999 down to 1.
Can you get close to the number 1?
What strategies did you use?
Try a few more times...
What if you start with the 9,999 or 999,999