There are at least eight different ways to subtract multi-digit numbers. Even though a person has learned one method, it is good to explore other methods to enhance understanding. If a child has an accurate and efficient method of subtraction, do … [Read more...] about Dr. Cotter on Subtraction Approaches
learning differences
Dr. Cotter on Long Division
As far as long division is concerned, it no longer has the importance it had in past generations. No one today spends time on their job doing long division. Long division with that guessing component is not used higher mathematics. It is rarely on … [Read more...] about Dr. Cotter on Long Division
