Math is one of those subjects that takes a varied amount of time depending on the student. Students need to learn at their own pace.
When slower students are pushed too fast, they give up. And when faster students have to slow down for the entire class, they get bored and stop learning.
Khan Academy lets students learn at their own pace.
As an aside, just because a student is slower doesn't mean that he or she is less mathematically inclined. Some students look at the deeper meaning of each topic covered and that makes them slower. Other students are only faster because they merely memorize what they are taught without understanding the "why" of an operation.
As an aside, just because a student is slower doesn’t mean that he or she is less mathematically inclined.
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My son came home from school one day, I believe he was in second grade, he was talking about they had taken that day, he had told me he had done well on the test but his good friend Jimmy had failed it.
I said, is Jimmy kind of “slow”? He said, no dad, he’s fast, he’s always the first one done, he just gets them all wrong.
Concur