It's this: How do you mentally process simple addition/subtraction facts? What actually happens in your brain to elicit 16 when you hear 7+9? (for example)
Why do I ask?
Three adults I asked today:
#1: I visually see 7 fingers and 9 fingers and move one finger from the 7 to the 9 to make 10, and 10 and 6 are 16. But it happens instantaneously. (visual concrete... strategic)
#2: I simply visualize the 7 and the 9 and "see" a 16 as the missing third party. (visual symbolic... pattern,grouping)
#3: I roll the tape from my parochial school days: "7 plus 9 is 16." (Actually a Spanish tape, though the person has spoken high-level English for 30 years.)(auditory... linear)
I ask because I wonder what the implication for having young children memorize their addition/subtraction facts? Is it solely a product of the teaching, or that combined with a process of the individual mind that works a predisposed way to make sense on its own terms? What is the most efficient way to store this data? :)
The results may end up in a Rev product of some kind... who knows?
Thanks, Mark
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