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
RightStart Mathematics
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
Struggling Learner: Check Please!
I don’t know about you, but I LOVE checking things off my list. I love to schedule and create lists. For me, lists motivate and inspire me to get things done. Sometimes I make a list just so I can check things off! However, I must admit, not being … [Read more...] about Struggling Learner: Check Please!
Struggling Learner: Play with Your Food!
I remember my Mom telling me as a child "Don’t play with your food." Of course, she was trying to get me to eat something that I really didn’t want to eat! But did you know that you can blend math and kids playing with their food? For me, this all … [Read more...] about Struggling Learner: Play with Your Food!
RS1 Level E, Lesson 104: Classifying Polygons
This week’s discussion on taken from RS1 Level E, Lesson 104. Well, actually, it’s more related to Worksheet 115, the worksheet for this lesson. The lesson is on classifying polygons, but the problem spot is the measurements of the pentagons, … [Read more...] about RS1 Level E, Lesson 104: Classifying Polygons
