All the Math we learn are taught as such by teachers and professors, but why so? what are the foundations ? These 200 videos answer them !

Good for students to appreciate Math and, hopefully, they will love the Math subject after viewing most of these 200 great videos.

Video 1: Natural Number This should be taught in kindergartens to 3-year-old kids.

◇ What is number ? (strings of 1s),
◇ Equal, bigger, smaller concepts are “pairing up” (1-to-1 mapping) two strings of 1s.
◇ Don’t teach the kids how to write first 12345…, without prior building these mathematical foundational concepts.

Video 2: Arithemetic
Distributive Law:
k x (m+n) = (k x m) + (k x n) = k x m + k x n

Convention: ‘x’ (or its reverse ‘÷’) takes precedent over ‘+’ (or its reverse ‘-‘).
(先 x ÷ 后 + -)

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. Video 31: Affine Geometry (仿射几何)

Video 32: Geometry Education in Primary Schools
◇ Use Grid paper to visualize concrete objects (line, square, triangle, circle…)
◇ Arithmetic is closely linked to Geometry which has been ignored in schools in the last 3 decades since the introduction of Modern Math (vector algebra).

Reblogged this on Singapore Maths Tuition.

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