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