Human beings are 50% right brain dominant and 50% left brain dominant, regardless of hand dominance. As we know, the majority of school curriculum and teaching methods are taught in a left brain manner. This is particularly true of math curriculum.
Right Brain Math - Dianne Craft - Solutions for dyslexia ...
diannecraft.org/right-brain-math/
huh - the more you know..... I’d always heard hand-brain dominances tended to follow....though as a hurdler I was left leg forward while all the other righties were right leg forward - coach was...shall we say perplexed.