Mathematic

An Ordinal Number is a natural number used for ordering (e.g. 1st, 2nd, 3rd, …). It is a number that tells the position of something…

Cardinal numbers (or cardinals) are numbers that say how many of something there are, such as one, two, three, four, five. A Cardinal Number is…

Real Numbers include all the rational and irrational numbers and can be positive, negative or zero. The Real Numbers had no name before Imaginary Numbers…

An irrational number cannot be expressed as a ratio between two numbers and it cannot be written as a simple fraction because there is not…

When an object is divided into a number of equal parts then each part is called a fraction. Fractions are rational numbers that are written…

Integers are rational numbers with a denominator of 1. An integer is a whole number (not a fractional number) that can be positive, negative, or…

Rational Numbers can be written as a ratio of one number to another. The name rational is based on the word ‘ratio.’ A ratio is…

There are four basic properties of numbers: commutative, associative, distributive, and identity. Basically, there are three properties. These are the commutative, associative, and the distributive…

Basic Definitions Relating to Numbers Basic numbers are the haploid number of chromosomes; specifically the lowest haploid number of a polyploid series. Some key points…

Adding Fractions with Different Denominators A very difficult area for many people is fractions, especially when you begin adding. This can become even more complex…

Addition equations with four digit integers An equation is a mathematical statement that has an expression on the left side of the equals sign (=)…

Addition equations with two digit integers An addition equation is a problem that has two or more numbers or integers added together and equaling another…