Start a 10-Day Free Trial to Unlock the Full Review

Why Lesson Planet?

Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!

Computer Passwords

Students determine an appropriate numerical representation of a problem situation, including roots and powers. They determine an appropriate number of digits to represent an outcome. Pupils are asked to determine how many years it takes a home computer to test all possible 10-character passwords if it can test 300,000 passwords per second.

14 Views 30 Downloads
Resource Details

9th - 12th
21st Century Skills
3 more...
Resource Type
Lesson Plans
30 mins
Usage Permissions
Fine Print
Included Materials
  • Project
  • Rubric