Math Video: Subtract in columns example
Subtraction of 2-digit numbers in columns without regrouping is demonstrated.
The sample problem has a 2-digit number being subtracted from a larger 2-digit number; no regrouping or borrowing is required. Emphasis is on rewriting the question vertically and lining up the ones and tens columns prior to subtracting.
Practice worksheets for this type of question can be found here:
Grade 1: Subtracting 2-digit numbers - no regrouping
Grade 2: Subtract 2-digit numbers in columns
