Skip to main content

WHY the Butterfly Method When Adding and Subtracting Fractions?


This post is also found at: http://www.cognitivecardiowithmsmm.com/blog/why-the-butterfly-method-when-adding-and-subtracting-fractions







Comments

  1. I agree with you 100%. This has been a big problem for us in the middle school when students come in from elementary.

    ReplyDelete
    Replies
    1. So glad to hear it isn't just me! Thanks for sharing!

      Delete
  2. Agree!!! When I read the title of your post...I thought you were going to support the butterfly method. So glad you are not an advocate!!

    ReplyDelete
    Replies
    1. No, definitely not an advocate! Glad to hear that others agree:-)

      Delete
  3. Thank you! I am a high school teacher and the kids want to "butterfly" every fraction they see which doesn't work when they need to get a common denominator with several fractions that now have variables mixed in. They really need to know what a common denominator is and how to find one. I really didn't understand what the kids were trying to do with the "butterflys" because even they couldn't remember the whole thing to show me what they had been taught.

    ReplyDelete

Post a Comment

Popular posts from this blog

Memory Wheels - First Day, Last Day, and Any Day in Between!

This post has been moved to:  http://www.cognitivecardiowithmsmm.com/blog/memory-wheels-first-day-last-day-and-any-day-in-between

Math Class - First Day Activity

Rectangle of pentominoes Many 6th graders seem to have a pretty negative attitude about math, so I try to do something interesting to "grab" them during our first class. Last year, during the first math class, we spent part of the period working with pentominoes. Before working with the pentominoes, however, we played a name game so we could learn each others' names (I find it impossible to start anything else if I don't know some names, and fortunately, I learn them fairly quickly). rectangle outline For the activity, I divided the students into groups of 3 or 4. The directions for the activity were not complicated - the task was to make a rectangle, using all of the pentominoes. I gave students an outline of the rectangle, as pictured to the left, so they would know the correct size of the rectangle. The squares in the grid are each one inch. The rectangle is 5 squares (inches) wide and 13 inches long (13 inches includes the row that has the "Pent

How Much Math Homework??

I am very curious about math homework in middle school, from a teacher perspective:     How much math homework do you give?     What kind of homework do you give?     How do you go over it in class? Let me explain why I ask these questions. I have taught 6th grade math for eight years, and every year, my goal is to "perfect" the homework issue. My basic issue is that I feel that I spend too much time going over it (not necessarily every day, but often). In the past, we have reviewed homework in the following ways:    1. going over answers as a class    2. self-checking answers that are on the board and sharing any questions    3. partner-checking and then verifying    4. choosing only a few problems to check When I taught elementary school (for 12 years), I never seemed to have this problem....we had 60 minutes for class and I never struggled to fit everything in. But at middle school, we have 44 minutes (minus time to switch for classes), and I just haven't fo