Watch the first 15 seconds or so of this queued-up Khan video, which is filed under “Khan Academy Vision”.
We are on board with this, no? Deep understanding of arithmetic leads to an opportunity for students to learn algebra meaningfully, which leads them to be able to learn calculus meaningfully.
So what does this vision of deep understanding of calculus look like?
And that deeper understanding of arithmetic on which the whole scheme depends? Well, it’s a year later and Khan hasn’t touched the comparing decimals videos we critiqued last summer.