Subtraction not crossing the tens (bar model)
Subtract a 2-digit number not crossing the tens with a bar model to help.
Subtraction not crossing the tens (bar model)
Subtract a 2-digit number not crossing the tens with a bar model to help.
Subtract a 2-digit number not crossing the tens with a bar model to help.
Subtract a 2-digit number not crossing the tens with a bar model to help.