Arithmetic
What Is Arithmetic?
Arithmetic is a branch of mathematics that studies numbers and the operations applied to numbers.Dictionary Definition
The Oxford English Dictionary defines arithmetic as "the science of numbers; the art of computation by figures."Where Does the Word Arithmetic Come From?
Arithmetic comes from the Greek word "arithmētikḗ" meaning “counting”. 'Arithmos' is the Greek word for "number".The Curriculum
The lessons are grouped into mini-curriculum to help you organise your learning. A brief description is given for each mini-curriculum. Click the MORE button to learn more.Operations and Their Order
Operations take numbers to create a new number. The most common operations in arithmetic are adding, subtracting, multiplying and dividing. In this mini-curriculum, you will learn about operations.
Advanced Arithmetic
When numbers get larger than a single numeral, we must use place value and 'long' arithmetic. In this mini-curriculum, you will learn about place value, long addition, long subtraction, long multiplication and long division.
Factors
The factors of a number are those numbers that multiply to make that number. They divide exactly into the number. In this mini-curriculum, you will learn about factors.
Multiples
Multiples are the result of multiplying a number by another whole number. In this mini-curriculum, you will learn about multiples.
Powers
Powers are the result of multiplying a number by itself. In this mini-curriculum, you will learn about the parts of powers.
Laws of Exponents
The laws of exponents lets you do arithmetic with powers. In this mini-curriculum, you will learn about the laws of exponents.
Reciprocals
Reciprocals of a number are 1 divided by the number. They can be denoted by an exponent of −1. In this mini-curriculum, you will learn about reciprocals.