Add a digit to a multiple of 100 (timed)
Add a single digit number to a multiple of 100, with no additional help.
Add a digit to a multiple of 100 (timed)
Add a single digit number to a multiple of 100, with no additional help.
Add a single digit number to a multiple of 100, with no additional help.
Add a single digit number to a multiple of 100, with no additional help.