> he does not understand decimal notation. which, again, is a symbol misunderstanding. it's extremely presumptuous of you to say that two chained symbol misund

> he does not understand decimal notation. which, again, is a symbol misunderstanding. it's extremely presumptuous of you to say that two chained symbol misunderstandings by a fifth grader new to a subject are "the problem [of] rote learning of algorithms [by someone who] does not connect classroom learning with the real world [or] understand what the answer means" when you're a hammer, everything looks like a nail