Dad teaches me how to subtract (Math Immersion Month Day 23)
317 views · Published 24 December 2015 · 1:50 · Indexed 28 September 2026
Channel: Liz Krane · 2015 · People & Blogs
http://learningnerd.com/math-day-23/ I'm 70% done with 6th grade math on Khan Academy, but subtraction still drives me crazy! My dad taught me a new subtraction algorithm, which was apparently the most common algorithm taught between 1700 and 1900 -- but more on that later, once I figure out how to get access to the academic journals. ;)
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