Category: Number

Basics of Decimal Numbers 0

Basics of Decimal Numbers

Basics of Decimal Numbers In this section you will explore the basics of decimal numbers. The objectives in this article are to look at different applications of decimal numbers, learn how to use place...

Direct variation 0

Direct variation

Introduction Direct variation, also known as direct proportionality, describes a specific linear relationship between two variables. By definition, the statement “y varies directly as x” may be expressed mathematically as follows: y=kx where k...

Factors and multiples 0

Factors and multiples

In this section, we will be looking at factors. When working with numbers, it is important to be able to do a number of operations on them. The basic operations are – multiplication, division,...

Recurrence relationship 0

Recurrence relationship

In this section you will be looking at Recurrence Relations. A Recurrence Relation is an equation which recursively defines a Sequence. You must be able to find the Recurrence Relation for a given Sequence,...

Arithmetic Sequences and Series 0

Arithmetic Sequences and Series

This article explores Arithmetic Sequences and Series. The main objectives in this article include; learning how arithmetic sequences work, how to find the common difference of an Arithmetic sequence, deriving the arithematic sequence and...

Addition and subtraction of surds 2

Addition and subtraction of surds

This article continues from a previous article. In this article we shall explore how to add and subtract surds. Just like any other forms of numbers we can add and subtract surds. But there...

Proper Fractions 0

Proper Fractions

This short article is a continuation from the previous fractions article. It may be a good idea to read through it first. In this article we shall explore proper fractions. A proper fraction is...

Recurring Decimals as fractions 0

Recurring Decimals as fractions

This chapter explores recurring decimals as fractions. It covers using recurring decimal notation and expressing recurring decimals as fractions. No prior knowledge is required for this chapter. Recurring decimals Recurring decimals are decimals which...

Factors and Primes 0

Factors and Primes

This chapter explores factors and primes. It explores finding factors of numbers, finding highest common factors and finding prime numbers. No prior knowledge is required for this chapter. What is a factor? A factor...