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Topic: Age related education (Read 26355 times)
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Scalare
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Also, about connections: Interesting that you brought it up. I am a huge fan of random facts that are somehow connected . It is also the reason why we are the apex predator of the earth. Because we have a tendency to see and want to see connections in everything around us. Neil degrasse tyson explains it perfectly in one of this cosmos shows; the people from the early ages see crops fail a few times when a comet is in the sky, and then they start to think that the comet is an evil god that makes their crops fail. So to me it explains that the human need to make and explain connections is the reason for both relgion and science to be created. I think that unites every human on the planet, regardless of what they believe in.
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Scalare
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About learning from the past through collective knowledge: I think the problem lies with motivations of people what they do with the lessons learned. Some people want to enlighten humanity as a whole, some want to achieve world peace, some want to gain power and some want to eliminate opposition or those who hurt them in the past. And they all use the lessons learned from the past to achieve their own goals.
An example of how this works out is Israel using the lesson learned from the past to oppose the arab world, and the way the arab world uses history to oppos the western world and Israel. They are using history as an indoctrination tool to make their people hate the other people. Instead of focusing on what they have in common they focus on differences and instead of focussing on world peace they focus on eliminating the other side. That is kind of a sad reality that makes me lose faith in us having learned anything from history.
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Zanthius
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I am also thinking that we could use something like this to help them learn the relationship between the diameter and the circumference of a circle (pi):
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« Last Edit: September 06, 2017, 11:41:44 pm by Zanthius »
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Krulle
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*Hurghi*! Krulle is *spitting* again!
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Those beads need to be very small, otherwise the gaps between beads will influence the result very much.
Very tricky thing to do and get close to the correct ratio.
But indeed a nice idea.But by the time they need to learn about Pi, they do not need tis physical excercise to learn about it.
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Death 999
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We did. You did. Yes we can. No.
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That is a great demonstration - the best I've ever seen. Like, wow.
EDIT: you changed it! What? I'm talking about the one where you have a square with side a+b and you can either pack it with squares a and b and four abc triangles, or put a c square diagonally across it and fill the corners with abc triangles.
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« Last Edit: September 09, 2017, 03:08:59 am by Death 999 »
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Krulle
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*Hurghi*! Krulle is *spitting* again!
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Indeed, a good demonstration.... Just warn the kids, that you only count the end beads of the diametre half, to count from middle line to middle line.....
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Zanthius
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I also think Tau (2 Pi) might be a more useful concept to teach kids Pi. However, with the rings, you will get less accurate estimates of Tau than of Pi if you only fill half of the diameter across the ring with beads (if the diameter is 13 beads, the radius will be 6.5 beads, and you can't have half a bead). You would get equally accurate estimates if you filled the entire diameter, and divided it by 2. That would be a bit more cumbersome for the kids, but it could be beneficial later, like when working with the unit circle. Maybe we could use the formula: Circumference/Diameter=Tau/2, instead of the formula Circumference/Radius=Tau. Then I wouldn't need to change anything on the rings.
Anyhow, I am a bit confused why kids can't learn both Pi and Tau, just like they should be able to learn both what the diameter and the radius of a circle is. This website gives a lot of arguments why we should keep Pi (http://www.thepimanifesto.com/). Not everything becomes easier with Tau. I believe we should keep Pi, but start to use Tau much more when it is appropriate.
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« Last Edit: September 08, 2017, 12:15:32 am by Zanthius »
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Scalare
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I also think Tau (2 Pi) might be a more useful concept to teach kids Pi. However, with the rings, you will get less accurate estimates of Tau than of Pi if you only fill half of the diameter across the ring with beads (if the diameter is 13 beads, the radius will be 6.5 beads, and you can't have half a bead). You would get equally accurate estimates if you filled the entire diameter, and divided it by 2. That would be a bit more cumbersome for the kids, but it could be beneficial later, like when working with the unit circle. Maybe we could use the formula: Circumference/Diameter=Tau/2, instead of the formula Circumference/Radius=Tau. Then I wouldn't need to change anything on the rings. Anyhow, I am a bit confused why kids can't learn both Pi and Tau, just like they should be able to learn both what the diameter and the radius of a circle is. This website gives a lot of arguments why we should keep Pi ( http://www.thepimanifesto.com/). Not everything becomes easier with Tau. I believe we should keep Pi, but start to use Tau much more when it is appropriate. I think tau should be taught first, then pi . By the way I absolutely agree with Death999, what a wonderful method to learn this
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Scalare
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Do you think all kids all over the world should learn to use the metric system and SI units or can they decide on their own?
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Scalare
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I'm saying this because the imperial system causes deaths every year in the USA because of dosage miscalculations.
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