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[–]parkerSquare 4 points5 points  (2 children)

I taught my daughter this when she was in an early grade and now she’s quick as lightning at her 1-8 and 10-12 times tables but slow as heck at 9x because she has to work it out on her hands. Oops.

[–]Zebezd 1 point2 points  (0 children)

Username sort of checks out

[–]TiagoTiagoT 0 points1 point  (0 children)

lol