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The idea may be taught with written descriptions supported by necessary Braille text material. To enhance the understanding leve ...

Therefore, the solution of the given equation is 3. The process of solving an equation is to be explained to the child with brai ...

That is, if ‘c’ is a positive integer, and if a < b then ac < bc if a > b then ac > bc Note that if an inequality is ...

The higher units are named by prefixing deca (means ten), hecto (means hundred) and kilo (means thousand). The lower units are n ...

Measures of Weight 10 mg - 1 cg 10 cg - 1 dg 10 dg - 1 g 10 g - 1 dag 10 dag - 1 hg 10 hg - 1 kg Also, 1000 mg - 1 g 1000 g - 1 ...

Addition in metric measures As the metric measures are based on powers of ten, addition and subtraction in metric system is jus ...

Multiplication in metric measures As the metric measures are in powers of ten, multiplication in metric measures is the same as ...

Scientific notation The scientific notation for a number is, that number written to the power of 10 multiplied by another numbe ...

LAWS OF INDICES Exponential form The product of a number when repeated more than once can be expressed in the exponential form ...

Law 2 Let ‘a’ be the base and ‘m’ and ‘n’ be the powers. If m>n, then n m-n m a a a = If m<n, then n n-m m a a a = Law 3 T ...

ALGEBRAIC IDENTITIES Algebraic identities Algebraic identities are the generalized statements of a number of particular cases. ...

Upto second order, paper folding will be of use. For example, (a+b+c)^2 can be explained by creating a paper folding similar to ...

POLYNOMIALS Algebraic expression Two or more algebraic terms connected by positive(+) or negative(-) signs is said to be an alg ...

The concept of adding a monomial to another monomial making it two monomials which is otherwise called ‘binominal’ needs to be e ...

In simple terms, the highest power of the variable occurring in the polynomial is said to be the degree of the polynomial. For i ...

Negative of a Polynomial For a polynomial P(x), its negative denoted as – P(x) is obtained by interchanging the signs of the te ...

Eg. : Let, P (x) = x^2 – 5x + 6 When x = 1, the value is not zero, when x = 3, the value is not zero, but when x = 2, the value ...

A thorough explanation of the idea followed by the demonstration of the process by the teacher may enable the child to understan ...

Eg. : Find the product of 5x^2 – 3x +5 and 2x -4 Solution : Therefore, the product is 10x^3 – 26x^2 + 22x - 20 Emphasis must be ...

and remainder concepts used in abacus may be used here to explain the division of polynominals. Eg. : Divide x^2 + 5x +6 by x + ...