A number line doesn't help some students decompose numbers. The key insight in this example is noticing that 0.35 is "3 tenths and 5 hundredths", in addition to being "35 hundredths". The former is a decomposition.…
Hi. OP here. On the Rational Number Project matter, you'll notice that I didn't recommend the entire body of work, but rather one article relevant to the matter at hand. It's worth a read—totally practical and…
Fair enough. Thanks for the reply. No worries about the forum for the response.
I have to agree with this, for sure.
Hi. Original poster here. I have amended the line in the post to make clear that the "useless" claim was not intended to apply to all of Khan's videos; only to the decimal ones. As for motives, I would invite you to…
As one of those who worked on one of the Washington Post pieces, I would invite you to come by my blog, <a href="http://christopherdanielson.wordpress.com>Overthinking My Teaching</a>, where I think you…
"Khan Academy should be ideally placed..." I would say 'yes' and 'no' to this. Yes if the questions ask, and no if they don't. And that's the point of the piece. Khan won't pick up these misconceptions because he…
A number line doesn't help some students decompose numbers. The key insight in this example is noticing that 0.35 is "3 tenths and 5 hundredths", in addition to being "35 hundredths". The former is a decomposition.…
Hi. OP here. On the Rational Number Project matter, you'll notice that I didn't recommend the entire body of work, but rather one article relevant to the matter at hand. It's worth a read—totally practical and…
Fair enough. Thanks for the reply. No worries about the forum for the response.
I have to agree with this, for sure.
Hi. Original poster here. I have amended the line in the post to make clear that the "useless" claim was not intended to apply to all of Khan's videos; only to the decimal ones. As for motives, I would invite you to…
As one of those who worked on one of the Washington Post pieces, I would invite you to come by my blog, <a href="http://christopherdanielson.wordpress.com>Overthinking My Teaching</a>, where I think you…
"Khan Academy should be ideally placed..." I would say 'yes' and 'no' to this. Yes if the questions ask, and no if they don't. And that's the point of the piece. Khan won't pick up these misconceptions because he…