Showing posts with label maths. Show all posts
Showing posts with label maths. Show all posts

Monday, 12 May 2014

Math or Reading?

When it comes to determining how our students are collectively progressing on their educational paths, standardized testing is still the primary method of measuring. We focus a lot on how ourmath scores compare with other countries around the world, how many science and engineering degrees are awarded compared with other countries, or how many people are or aren’t learning to code. And while ‘math and reading’ are collectively referenced quite often as the metrics by which we measure our students, we often gloss over the reading portion – because we’re a first world country – everyone can read – right?
Well, not quite. The handy infographic below takes a look at just how poorly our students (and adults) are doing with reading. The graphic uses Troy Prep Middle School in Albany, NY as an example of a fairly ‘typical’ public school (at least by the numbers. It is a charter school with mainly low income students. Take a look at the statistics , and tell us what you think. Do these statistics ring true from your personal experiences in the classroom? Weigh in by leaving a comment below, mentioning @Edudemic on Twitter or leaving your thoughts on our Facebook page.

Math is Hard But Reading is Harder

  • In 2012, 100% of 7th graders had proficient or advanced scores in math
  • But only 50% had met the same standards in reading
  • Similar results were found in other schools in the district: 86% of students were proficient or advanced in math, but only 66% in reading
  • Deficits start at a very young age
  • By age 4, children from low income families have heard 32 million fewer words than children from high income families
  • Over 10 million US students are from households where English is ot the primary language
  • 78% of these 10 million speak no English at home
  • In 2012, Reading SAT scores reached a four decade low, though math scores remain largely unchanged
  • Teachers are required to teach within the limits of the lower level students, so many are not advancing at a reasonable pace

math-reading-590x2191


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Wednesday, 26 March 2014

Is It Time To Change How We Teach Math?

Is It Time To Change How We Teach Math?

By Katie Lepi

Personalized learning is something that educators of all kinds are striving for. A teacher who can make learning real, relevant, and appropriate for each student in their class is one who can see amazing successes and empowered students. But with too many students and too little time, making learning as personalized as possible isn’t always easy. 
The handy infographic below uses learning to drive as a great example of personalized learning. When you learn to drive, you’re basically having a personalized, one on one instruction with real time observation and feedback. Can you imagine if students could learn math that way? Keep reading to learn more!

Why Learn Math Like You Learn To Drive?

This infographic explores “traditional teaching” as compared with teaching “focused on the point of learning”
Teaching focused on the point of learning:
  • Demonstrates the skill
  • Watches the student perform the skill
  • Observes and gives critical feedback
  • Ensures testing is practically applied
Traditional teaching:
  • Demonstrates the skill
  • Students practice the skill on their own, with little feedback
  • Testing is less about demonstrating that the student has acquired the practical skill
  • Many “life and death” professions are taught in the “focused on the point of learning” method, with one on one training and feedback (like surgeons and pilots)
  • Children who excel in math in elementary school are twice as likely to find employment as adults, achieve higher levels of education, and earn more money in their lifetimes
  • America’s GDP is estimated to increase by $77trillion if students in the US could increase their math scores to be equal to those of students in Canada
  • Only 41% of 4th graders scored proficient in mathematics in 2013
  • Only 24% of 8th graders scored proficient in mathematics in 2013
  • US students consistently perform poorly in math despite increased spending per student
how-learning-works_52e8061c3afa6



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Tuesday, 18 March 2014

Things To Know About Pi Day


Things To Know About Pi Day

By Katie Lepi

Happy Pi Day, everyone!
I don’t know about you, but I always enjoy a good date that has significance. Dates like 11-11-11, 10-01-10 and 7-9-79 are fun, but March 14th always tops my list! Maybe I’m a geek. Maybe I just like pie.
Either way, today is Pi day! We’re celebrating with the handy infographic below, which offers us a whole bunch of fun facts about Pi. Get ready – there’s lots here that you probably don’t already know (unless you are a math teacher, and then you have an unfair advantage!) Keep reading to learn more.

Visualizing Pi

  • The decimal representation of pi has been computed to more than a trillion digits
  • Pi can be estimated by dividing the circumference of any circle by its diameter
  • Pi has about 64 billion digits
  • If you recited them without stopping, it would take you about 133 years
  • The world record holder memorized over 44,000 digits of pi (which took over 9 hours to recite)
  • Ancient mathematicians knew that the ratio of circumference to diameter was slightly more than 3
  • The earliest reference to pi is an Egyptian papyrus dating from about 1650BC by a scribe named Ahmes
  • Pi was discovered by Archimedes (He was Greek)
  • Archimedes took a polygon with 96 sides and inscribed a circle inside the polygon to visualize pi
  • All of the digits of pi can never be fully known
  •  A professor at the University of Tokyo took 116 hours to compute 6,442, 450,000 decimals of pi
  • The decimal representation of pi truncated to 11 digits is accurate enough to estimate the circumference of any circle that fits inside the earth within an error of less than 1 millimeter
  • There is no 0 in the first 31 digits of pi
  • At 39 digits, pi can estimate the circumference of any circle within the observable universe with precision comparable to the radius of a hydrogen atom
  • The Feynman point is at position 763, where there are six 9s in a row
  • No simple base 10 pattern in the digits of pi has ever been found
  • 2 pi in radians form is 360 degrees
  • Thus, pi radians is 180 degrees, and 1/2 pi radians is 90 degrees
  • The first to use pi definitely to stand for the ratio of circumference to diameter was English writer William Jones
  • The symbol for pi entered into use in 1737

pi info

Post Source: http://www.edudemic.com/facts-pi-pi-day/


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Friday, 14 March 2014

Useful Way To Teach Basic Math

                           


By Katie Lepi

So you guys have probably figured it out by now: I like graphic visualizations of just about anything. Accordingly, the fabulous artist Grant Snider has that on his side: I absolutely love his stuff. And tons of it is educational and funny.
So here’s your visual of the day: a math visualization. Grant helps you meet the numbers in his typically witty way. So the next time your students can’t remember what an imaginary number is, you can remind them that its like the unicorn number.

meet the numbers

Post Source : http://www.edudemic.com/teach-basic-math/



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