Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**mathgogocart****Member**- Registered: 2012-04-29
- Posts: 1,448

http://nlvm.usu.edu/en/nav/vlibrary.html

pro:lots grade K-12,All free

con:none

_____________________________________

http://illuminations.nctm.org/

pro:los of manip

con:not a lot,108 is very small

a----------------------------------

.http://www.shodor.org/interactivate/activities/

pro:292 is a TON! And they are very fun

con:none

Hey.

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 6,911

hi mathgogocart

Thanks for posting those. The first two looked very good to me. Loads to try.

But I couldn't get the third to stay loaded. IE9 kept rejecting the site. I've tried to go to it via google but, same problem. Odd. That's the second time in a week that I've had problems with a site. I shall investigate further.

It would be intertesting to know how it loads for others.

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,919

There is nothing with the 3rd link on my computer. I am using GC.

By the way, Bob, I really suggest you change your browser. Only old people use those!

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 6,911

Thanks for reminding me, Stefy.

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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