Take multiples of 10 from 3 digits (timed)
Subtract a multiple of 10 from a 3-digit number, with no additional help.
Take multiples of 10 from 3 digits (timed)
Subtract a multiple of 10 from a 3-digit number, with no additional help.
Subtract a multiple of 10 from a 3-digit number, with no additional help.
Subtract a multiple of 10 from a 3-digit number, with no additional help.