If you took some time off for the summer with your student, you are no doubt making plans to get ready to go back to school here soon. As a parent of a struggling learner, there are some extra things to consider as you prepare curriculum and your … [Read more...] about Struggling Learner: Back to School
dr. cotter
Dr. Cotter on Subtraction Approaches
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
Dr. Cotter on What 6 × 3 Means
Sometimes 6 × 3 is thought of as “6 groups of 3.” However, consistency with the other arithmetic operations requires a second look. When adding 6 + 3, we start with 6 and transform it by adding 3. When subtracting 6 – 3, we start with 6 and transform … [Read more...] about Dr. Cotter on What 6 × 3 Means
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
