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.
My favorite math teacher in HS said that math is not about being fast and it is wrong to put a time limit on math tests. Take your time...be careful. The more you practice, the faster you will get.
But don't rush.
Take your time and enjoy the trip.