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Jeff Long

Golden Mean (Ratio) Video - 0 views

www.youtube.com/watch

golden ratio phi divine proportion

shared by Jeff Long on 19 May 13 - No Cached
  • Jeff Long on 19 May 13
     
    Golden ratio, the "divine proportion" phi, the golden mean spiral.
Holly Williams

U.S. Students Lag Globally in Math and Science - 0 views

www.nytimes.com/...th-and-science-tests-show.html

tests low scores education

shared by Holly Williams on 10 May 13 - No Cached
  • Holly Williams on 10 May 13
     
    Average test scores not far behind other countries, but the proportion of students who scored in the top ranks in math and science was significantly lower.
mdrappleye

Big Burger | Yummy Math - 0 views

www.yummymath.com/...big-burger-2

activity blog

shared by mdrappleye on 03 Jun 15 - No Cached
  • mdrappleye on 03 Jun 15
     
    Big Burger - In honor of International Hamburger Day (May 28, 2015), it's time to treat your students to ratios, proportions, fractions and BIG BURGERS! In this activi...
Kim Ammons

Illuminations: Barbie Bungee - 0 views

illuminations.nctm.org/LessonDetail.aspx

math illuminations algebra barbie linear activity lesson nctm

shared by Kim Ammons on 19 May 13 - Cached
  • The consideration of cord length is very important in a bungee jump—too short, and the jumper doesn’t get much of a thrill; too long, and ouch! In this lesson, students model a bungee jump using a Barbie® doll and rubber bands. The distance to which the doll will fall is directly proportional to the number of rubber bands, so this context is used to examine linear functions.
  • Kim Ammons on 19 May 13
     
    This is a great activity that we did in my AP Statistics class in high school but which can be used in lower level math classes as well.  Barbie bungee jumping!
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