Arithmetic

In this chapter, we will study the concept of compound interest. We will also discuss the difference between simple interest and compound interest, deducing a compound interest formula and rate compounded annually or half-yearly.

This chapter deals with discounts and commissions. It covers concepts such as discount, commission, rebate, the formula of discount using cost and selling price, the formula of discount if the discount percent is given, and marked price.

This chapter covers concepts such as division of a polynomial by a binomial, concept of polynomials and division of a polynomial by a monomial. The division of a monomial by a binomial and the degree of a polynomial are also discussed.

This chapter discusses the meaning of numbers with rational indices. It mentions the concept of cube number, exponent, negative exponents, and cube root concept. Cube root through the prime factorization method is also explained.

This chapter introduces rational and irrational numbers. It also discusses the comparison between them, the decimal representation of rational numbers, representation of rational and irrational numbers on a number line.

This chapter introduces variations, types of variations, the relation between two variables by direct variation and inverse variation, time, work and speed. It states that the changing of variable parameters is called a variation.