Narmatha Devi N

mathematics maths psychological basis logical module concentric spiral knowledge organisation techniques ko b.ed knowledge and curriculum content organisation knowledge organisation combination of shapes irregular shapes perimeter shapes area data frequency arithmetic mean average central tendency mode median mean statistics order unit lower triangular upper triangular triangular square scalar non zero zero diagonal column row type of matrix matrix type matrix true or false truth value disjunction conjunction negation truth table not and or or and not logical connectives grade 12 math discrete mathematics