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Rebecca Patterson

Making Sense of Math and Science: It's Elementary - Rick Hess Straight Up - Education Week - 0 views

  • What I have learned about the students I have taught throughout my career is that the trend begins with students as young as 8 or 9 who have already been turned off to mathematics and science. They have been taught from societal experiences, home events, and by our teachers, that the subjects of mathematics and science are about solving a large numbers of problems as quickly as possible or reading large passages from a textbook.
  • young students' natural inclination to want to learn more about mathematics and science in order to make sense of the world.
  • Our instruction must change to allow our students a fundamental understanding of important mathematics and science concepts and we must do this in ways that continue to keep our students excited about these naturally interesting subjects.
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  • the advent of new technologies means that all adults now need to be able to reason mathematically in order to work and live in today's society.
  • if we do not get our elementary students motivated to study these subjects, then we are facing an uphill battle as we continue our goal that ALL students feel confident and become successful in mathematics and science.
Rebecca Patterson

Math Disability Tied To Bad Number Sense - Science News - 0 views

  • Mazzocco and her colleagues previously found that the ability to estimate approximate quantities without counting generally improves during childhood and is related to math achievement
  • Mazzocco’s group studied 71 ninth-graders whose math abilities had been tested annually since kindergarten. Students completed two quantity estimation tasks. In one series of trials, participants saw an array of blue and yellow dots flash for a fraction of a second on a computer screen and indicated whether more blue or yellow dots had appeared. In other trials, students saw nine to 15 yellow dots flash on a screen and estimated how many dots were shown.
  • Mazzocco’s group studied 71 ninth-graders whose math abilities had been tested annually since kindergarten. Students completed two quantity estimation tasks. In one series of trials, participants saw an array of blue and yellow dots flash for a fraction of a second on a computer screen and indicated whether more blue or yellow dots had appeared. In other trials, students saw nine to 15 yellow dots flash on a screen and estimated how many dots were shown.
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  • Mazzocco’s group studied 71 ninth-graders whose math abilities had been tested annually since kindergarten. Students completed two quantity estimation tasks. In one series of trials, participants saw an array of blue and yellow dots flash for a fraction of a second on a computer screen and indicated whether more blue or yellow dots had appeared. In other trials, students saw nine to 15 yellow dots flash on a screen and estimated how many dots were shown.
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    I wasn't able to highlight this one in diigo for some reason. Please take a quick read as it is pretty short.
Rebecca Patterson

Teaching Math to Learning Disabled Students: Math Learning Strategies Designed to Help ... - 0 views

  • experience a weak understanding or lack a comprehension of conceptshave very poor number sense skillsexperience difficulty with pictorial representationshave poorly controlled handwritingexperience confusion with arrangements of numerals and signs on textbook/workbook pages
    • Rebecca Patterson
       
      Good signs!
  • Using structured, concrete, and hands-on materials is important in tying these links between concepts. This strategy not only applies to elementary grades, it is also vital during concept development stages of higher-level math.
  • When these problems are accompanied by a need for strong conceptual grasp of mathematical and spatial relations, it is imperative that students are not focusing only on remediating computation.
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  • Math learning disabilities are often caused by visual-spatial-motor disorganization.
  • Math learning strategies described above are adaptable for all students with learning disabilities in mathematics. These math activities are also effective with special needs students who are also functioning at the appropriate grade level.
  • Using structured, concrete, and hands-on materials is important in tying these links between concepts. This strategy not only applies to elementary grades, it is also vital during concept development stages of higher-level math.
  • When these problems are accompanied by a need for strong conceptual grasp of mathematical and spatial relations, it is imperative that students are not focusing only on remediating computation.
  • Math learning disabilities are often caused by visual-spatial-motor disorganization.
  • experience a weak understanding or lack a comprehension of conceptshave very poor number sense skillsexperience difficulty with pictorial representationshave poorly controlled handwritingexperience confusion with arrangements of numerals and signs on textbook/workbook pages
  • Math teaching strategies include avoiding the use of pictures or graphics for conveying concepts, constructing verbal versions of math ideas, and using concrete materials in math activities.
  • math activities designed to assist teachers in reaching students with visual learning disabilities through use of a direct and explicit instruction using a challenging math teaching strategy, along with use of manipulatives.
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    Good article on special needs students
Rebecca Patterson

Community Colleges Consider Math Options - US News and World Report - 0 views

  • Statway mixes basic math concepts with statistics, enabling students to pass a college-level statistics class in the second semester. Quantway, which started its first pilot classes this month, teaches students how to "use mathematics and numerical reasoning to make sense of the world around them." After one semester, which includes algebraic skills, it's hoped that students will be able to pass a college math class.
  • If they need to review basic skills or learn an algebra concept, he provides "just in time instruction" on basic skills and algebraic concepts, teaching students information they can use immediately to solve problems.
  • Math is an "overpowering wall" that keeps students from higher education," wrote a Statway student. "Now there is hope ... not only to pursue higher education but to learn something that would really apply to our everyday life."
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    Nice article on the changes in Community Colleges and their remedial math programs. The Carnegie Institute and the Dana Foundation have teamed up here.
Rebecca Patterson

Education Week: Math Educators See the Right Angles for Digital Tools - 0 views

  • And just because there’s a lot to choose from doesn’t mean all the programs possess the same ability to teach math on a long-lasting, conceptual level.
  • Although kids are quick to pick [technology] up, they’re not that quick at learning to relate it to a mathematical concept.
  • what you want is for students to realize, ‘I don’t need to memorize a thousand different rules. I’m beginning to observe commonalities.
    • Rebecca Patterson
       
      patterns and metapatterns
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  • Some adaptive-learning software, which tailors lessons and exercises to individual student progress, also uses visual representation to demonstrate relationships.
  • online drawing programs that allow students and instructors to draw and manipulate shapes and graphs—like the Geometer’s Sketchpad, made by Emeryville, Calif.-based Key Curriculum Press, or the independently run GeoGebra, which has established dozens of institutes across the globe—immediately give users a sense of the relationships that govern geometry, algebra, and even calculus.
  • While software from Bellevue, Wash.-based DreamBox Learning also uses visual approaches, it differs from MIND’s software because it lets students in grades K-3 choose their own visual representations. After completing a problem one way, students will often be prompted to solve the same problem by choosing a different visualization to reinforce the concept.
  • its ability to import data from thrice-yearly Washington state standardized testing.
  • content services like Learn360, from Woodbury, N.Y.-based AIM Education Inc., offer the ability to combine resources into playlists of media set specifically for the needs of individual students, to help give some of that multidimensional understanding of content.
Rebecca Patterson

Math-based model for deep-water oil drilling - 0 views

  • The deeper the well, the higher the pressure, and the higher the risks associated with tapping oil from wells. During drilling, when the pressure applied to balance the hydrocarbon pressure in a well is not great enough to overcome that exerted by gas and fluids in the rock formation drilled, water, gas, oil, or other formation fluid can enter the hole. This is called a "gas kick," which in worst-case scenarios can lead to blowouts. In a paper published earlier this month in the SIAM Journal on Mathematical Analysis, author Steinar Evjepresents new analysis of a mathematical model that has applications to the study of such gas kicks in deep-water oil wells.
  • Simulators have become an important tool for the development of new, more efficient and safer drilling methods.
  • The use of mathematical models is important for the development of tools that can help simulate, and hence, increase control in deep-water well operations.
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  • "A simulator for drilling operations is composed of a set of nonlinear coupled partial differential equations that describe the simultaneous flow of hydrocarbons in a well. This mathematical model represents a 'virtual laboratory' where the finer mechanisms related to a number of different physical effects can be studied in detail," Evje goes on to explain.
  • In order to compute reliable solutions, it is crucial to have a model that is well defined mathematically. Mathematical methods are applied in order to derive upper and lower limits for various quantities like masses and fluid velocities, which provide insight into the parameters that are important for the control of these quantities. In addition, they allow proof of the existence of solutions for the model in a strict mathematical sense. In this paper, the author demonstrates that under certain assumptions, a solution exists.
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    Another applied mathematics scenario. (no stats - maybe I need to make a new group?)
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