Oct 7, 20181 minAbacus Mental Arithmetic and Mindmath:The child moves the Sliders in the Physical Abacus to do arithmetic sums after 6 months, the Child imagines the Abacus in its mind and...
Mar 21, 20181 minIndian Abacus Mental Arithmetic is “Arithmetic–working-on-Abacus”.Indian Abacus Mental Arithmetic is “Arithmetic–working-on-Abacus”. The child works for two levels (Six months) on physical Indian Abacus...