SettingsElementary arithmetic
0 (number)
0 (zero; BrE:, or AmE:, ) is both a number and the numerical digit used to represent that number in numerals.
0 (zero; BrE:, or AmE:, ) is both a number and the numerical digit used to represent that number in numerals.
2 + 2 = 5
The phrase "two plus two equals five" ("2 + 2 = 5") is a slogan used in George Orwell's Nineteen Eighty-Four as an example of an obviously false dogma one must believe, similar to othe...
The phrase "two plus two equals five" ("2 + 2 = 5") is a slogan used in George Orwell's Nineteen Eighty-Four as an example of an obviously false dogma one must believe, similar to othe...
Addition
Addition is a mathematical operation that represents combining collections of objects together into a larger collection.
Addition is a mathematical operation that represents combining collections of objects together into a larger collection.
Akhmim wooden tablets
The Akhmim wooden tablets or Cairo wooden tablets (Cairo Cat.
The Akhmim wooden tablets or Cairo wooden tablets (Cairo Cat.
Alligation
Alligation is an old and practical method of solving arithmetic problems related to mixtures of ingredients.
Alligation is an old and practical method of solving arithmetic problems related to mixtures of ingredients.
Binary numeral system
The binary numeral system, or base-2 number system, represents numeric values using two symbols: 0 and 1.
The binary numeral system, or base-2 number system, represents numeric values using two symbols: 0 and 1.
Carry (arithmetic)
In elementary arithmetic a carry is a digit that is transferred from one column of digits to another column of more significant digits during a calculation algorithm.
In elementary arithmetic a carry is a digit that is transferred from one column of digits to another column of more significant digits during a calculation algorithm.
Chunking (division)
In mathematics education at primary school level, chunking is an elementary approach for solving simple division questions, by repeated subtraction.
In mathematics education at primary school level, chunking is an elementary approach for solving simple division questions, by repeated subtraction.
Cube (algebra)
In arithmetic and algebra, the cube of a number n is its third power — the result of the number multiplied by itself twice: :n3 = n × n × n.
In arithmetic and algebra, the cube of a number n is its third power — the result of the number multiplied by itself twice: :n3 = n × n × n.
Division (mathematics)
In mathematics, especially in elementary arithmetic, division is an arithmetic operation.
In mathematics, especially in elementary arithmetic, division is an arithmetic operation.
Division by two
In mathematics, division by two or halving has also been called mediation or dimidiation.
In mathematics, division by two or halving has also been called mediation or dimidiation.
Elementary arithmetic
Elementary arithmetic is the simplified portion of arithmetic which includes the operations of addition, subtraction, multiplication, and division.
Elementary arithmetic is the simplified portion of arithmetic which includes the operations of addition, subtraction, multiplication, and division.
Finger binary
Finger binary is a system for counting and displaying binary numbers on the fingers and thumbs of one or more hands.
Finger binary is a system for counting and displaying binary numbers on the fingers and thumbs of one or more hands.
Fourth power
In arithmetic and algebra, the fourth power of a number n is the result of multiplying n by itself four times.
In arithmetic and algebra, the fourth power of a number n is the result of multiplying n by itself four times.
Fraction (mathematics)
A fraction (from Latin: fractus, "broken") represents a part of a whole or, more generally, any number of equal parts.
A fraction (from Latin: fractus, "broken") represents a part of a whole or, more generally, any number of equal parts.
Grid method multiplication
In mathematics education at the level of primary school or elementary school, the grid method of multiplication is an introductory approach to multi-digit multiplication calculations, i.e. multi...
In mathematics education at the level of primary school or elementary school, the grid method of multiplication is an introductory approach to multi-digit multiplication calculations, i.e. multi...
Irreducible fraction
An irreducible fraction (or fraction in lowest terms or reduced form) is a vulgar fraction in which the numerator and denominator are smaller than those in any other vulgar fraction ...
An irreducible fraction (or fraction in lowest terms or reduced form) is a vulgar fraction in which the numerator and denominator are smaller than those in any other vulgar fraction ...
Least common multiple
In arithmetic and number theory, the least common multiple (also called the lowest common multiple or smallest common multiple) of two integers a and b, usually denoted by ...
In arithmetic and number theory, the least common multiple (also called the lowest common multiple or smallest common multiple) of two integers a and b, usually denoted by ...
Lowest common denominator
In mathematics, the lowest common denominator or least common denominator (abbreviated LCD) is the least common multiple of the denominators of a set of vulgar fractions.
In mathematics, the lowest common denominator or least common denominator (abbreviated LCD) is the least common multiple of the denominators of a set of vulgar fractions.
Negation (algebra)
Negation is the mathematical operation that reverses the sign of a number.
Negation is the mathematical operation that reverses the sign of a number.
Number bond
In mathematics education at primary school level, a number bond (sometimes alternatively called an addition fact) is a simple addition sum which has become so familiar that a child can rec...
In mathematics education at primary school level, a number bond (sometimes alternatively called an addition fact) is a simple addition sum which has become so familiar that a child can rec...
Parity of zero
Both students and teachers in primary education are prone to a misconception that the parity of zero is ambiguous, or simply that zero is odd.
Both students and teachers in primary education are prone to a misconception that the parity of zero is ambiguous, or simply that zero is odd.
Percentage
In mathematics, a percentage is a way of expressing a number, especially a ratio, as a fraction of 100.
In mathematics, a percentage is a way of expressing a number, especially a ratio, as a fraction of 100.
Plus and minus signs
The plus and minus signs (+ and −) are mathematical symbols used to represent the notions of positive and negative as well as the operations of addition and subtraction.
The plus and minus signs (+ and −) are mathematical symbols used to represent the notions of positive and negative as well as the operations of addition and subtraction.
Repeating decimal
In arithmetic, a decimal representation of a real number is called a repeating decimal if at some point it becomes periodic, that is, if there is some finite sequence of digits that is repeated ...
In arithmetic, a decimal representation of a real number is called a repeating decimal if at some point it becomes periodic, that is, if there is some finite sequence of digits that is repeated ...
Roman arithmetic
In mathematics, Roman arithmetic is the use of arithmetical operations on Roman numerals.
In mathematics, Roman arithmetic is the use of arithmetical operations on Roman numerals.
Rule of nines (mathematics)
The rule of nines, in mathematics, is a divisibility rule for the divisor 9.
The rule of nines, in mathematics, is a divisibility rule for the divisor 9.
Sign (mathematics)
In mathematics, the word sign refers to the property of being positive or negative.
In mathematics, the word sign refers to the property of being positive or negative.
Significance arithmetic
Significance arithmetic is a set of rules (sometimes called significant figure rules) for approximating the propagation of uncertainty in scientific or statistical calculations.
Significance arithmetic is a set of rules (sometimes called significant figure rules) for approximating the propagation of uncertainty in scientific or statistical calculations.
Square number
In mathematics, a square number, sometimes also called a perfect square, is an integer that is the square of an integer; in other words, it is the product of some integer with itself.
In mathematics, a square number, sometimes also called a perfect square, is an integer that is the square of an integer; in other words, it is the product of some integer with itself.
Subtraction
Subtraction is one of the four basic binary arithmetic operations; it is the inverse of addition, meaning that if we start with any number and add any number and then subtract the same number we...
Subtraction is one of the four basic binary arithmetic operations; it is the inverse of addition, meaning that if we start with any number and add any number and then subtract the same number we...
Trailing zero
In mathematics, trailing zeros are a sequence of 0 (number)s in the decimal representation (or more generally, in any positional representation) of a number, after which no other digits follow.
In mathematics, trailing zeros are a sequence of 0 (number)s in the decimal representation (or more generally, in any positional representation) of a number, after which no other digits follow.
Unit fraction
A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer.
A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer.
Whole number
The whole number is a number which does not contain a "fraction, " i.e., it is an integer.
The whole number is a number which does not contain a "fraction, " i.e., it is an integer.