https://www.matematicas18.com/Tutoriales visuales de matemáticas.Mon, 06 Jul 2026 00:00:00 GMThttps://www.matematicas18.com/en/curiosities/https://www.matematicas18.com/en/curiosities/Explore curiosities, stories and cultural resources related to mathematics.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/curiosities/18-math-movies/https://www.matematicas18.com/en/curiosities/18-math-movies/A curated list of math-related movies for students, teachers and curious learners.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/https://www.matematicas18.com/en/tutorials/Explore math tutorials organized by arithmetic, algebra, geometry and statistics with visual examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/algebra/https://www.matematicas18.com/en/tutorials/algebra/Learn algebra from the basics: expressions, monomials, polynomials and factoring.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/algebra/adding-monomials-and-polynomials/https://www.matematicas18.com/en/tutorials/algebra/adding-monomials-and-polynomials/Learn how to add monomials and polynomials by grouping like terms.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/algebra/algebraic-fractions/https://www.matematicas18.com/en/tutorials/algebra/algebraic-fractions/Learn how algebraic fractions work and how to simplify them.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/algebra/dividing-monomials-and-polynomials/https://www.matematicas18.com/en/tutorials/algebra/dividing-monomials-and-polynomials/Learn division of monomials and basic polynomial expressions.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/algebra/factoring/https://www.matematicas18.com/en/tutorials/algebra/factoring/Factoring means writing an expression as a product of simpler factors. Learn the concept, procedure and solved examples step by step.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/algebra/greatest-common-divisor-of-algebraic-expressions/https://www.matematicas18.com/en/tutorials/algebra/greatest-common-divisor-of-algebraic-expressions/Learn gcd of algebraic expressions with a clear definition, main formula and step-by-step examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/algebra/multiplying-monomials-and-polynomials/https://www.matematicas18.com/en/tutorials/algebra/multiplying-monomials-and-polynomials/Learn multiplication of monomials and polynomials.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/algebra/notable-products/https://www.matematicas18.com/en/tutorials/algebra/notable-products/Learn common algebraic products such as square of a binomial.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/algebra/subtracting-monomials-and-polynomials/https://www.matematicas18.com/en/tutorials/algebra/subtracting-monomials-and-polynomials/Learn how to subtract monomials and polynomials by changing signs.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/https://www.matematicas18.com/en/tutorials/arithmetic/The arithmetic is a branch of mathematics focused on the study of numbers. It should be noted that the numbers are widely used in daily tasks and through…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/absolute-value/https://www.matematicas18.com/en/tutorials/arithmetic/absolute-value/The absolute value of a number is the distance from zero to the number indicated on a number line, in other words, the absolute value represents the distance…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/division/https://www.matematicas18.com/en/tutorials/arithmetic/division/Division splits a quantity into equal parts. Learn the concept, procedure and solved examples step by step.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/divisor/https://www.matematicas18.com/en/tutorials/arithmetic/divisor/A divisor is an arithmetic function that divides the natural number into exact parts, so dividing the quotient must be an integer (this means no decimal…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/exponent/https://www.matematicas18.com/en/tutorials/arithmetic/exponent/The exponent is a mathematical operation that indicates how many times we must multiply a number by itself. Among the exponents that stand out is 2 and 3…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/factorial/https://www.matematicas18.com/en/tutorials/arithmetic/factorial/The factorial function is a mathematical formula represented by an exclamation mark “!” behind a number. This exclamation means to multiply all positive…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/fraction/https://www.matematicas18.com/en/tutorials/arithmetic/fraction/Fractions represent a cast or a portion of a unit. Find out what a fraction is, parts of the fractions, representation of a fraction, types of fractions and…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/fraction/adding-fractions/https://www.matematicas18.com/en/tutorials/arithmetic/fraction/adding-fractions/To add fractions, use a common denominator and add the numerators. Learn the step-by-step procedure with solved examples and exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/fraction/dividing-fractions/https://www.matematicas18.com/en/tutorials/arithmetic/fraction/dividing-fractions/Multiply the first fraction by the reciprocal of the second. Learn the step-by-step procedure with solved examples and exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/fraction/how-to-turn-a-decimal-into-a-fraction/https://www.matematicas18.com/en/tutorials/arithmetic/fraction/how-to-turn-a-decimal-into-a-fraction/Discover how to convert decimals to fractions and vice versa from fractions to decimals with very simple procedures and some tricks for learning basic concepts.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/fraction/mixed-fraction/https://www.matematicas18.com/en/tutorials/arithmetic/fraction/mixed-fraction/Discover what is a mixed fraction, how to solve mixed fractions, and recommendations for solving problems that contain mixed fractions.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/fraction/multiplying-fractions/https://www.matematicas18.com/en/tutorials/arithmetic/fraction/multiplying-fractions/Multiply numerator by numerator and denominator by denominator. Learn the step-by-step procedure with solved examples and exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/fraction/subtracting-fractions/https://www.matematicas18.com/en/tutorials/arithmetic/fraction/subtracting-fractions/To subtract fractions, use a common denominator and subtract the numerators. Learn the step-by-step procedure with solved examples and exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/gcd/https://www.matematicas18.com/en/tutorials/arithmetic/gcd/The GCD is the greatest number that divides two or more numbers exactly. Learn the concept, procedure and solved examples step by step.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/lcm/https://www.matematicas18.com/en/tutorials/arithmetic/lcm/The LCM is the smallest positive common multiple of two or more numbers. Learn the concept, procedure and solved examples step by step.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/logarithm/https://www.matematicas18.com/en/tutorials/arithmetic/logarithm/Learn logarithm with a clear definition, main formula and step-by-step examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/multiples/https://www.matematicas18.com/en/tutorials/arithmetic/multiples/Multiples of a number are the result of the multiplication of the natural number by another natural number, therefore, a number is a multiple of another if it…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/multiplication/https://www.matematicas18.com/en/tutorials/arithmetic/multiplication/Multiplication adds the same quantity several times. Learn the concept, procedure and solved examples step by step.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/multiplication/multiplication-table/https://www.matematicas18.com/en/tutorials/arithmetic/multiplication/multiplication-table/Discover the multiplication tables from number 1 to 10, as well as the Pythagorean table and tips on how to learn the multiplication tables.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/https://www.matematicas18.com/en/tutorials/arithmetic/number/The term number comes from the Latin “numerus” and refers to the expression of a quantity in relation to its unit, therefore, it is an expression of the…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/complex-numbers/https://www.matematicas18.com/en/tutorials/arithmetic/number/complex-numbers/Learn complex numbers with a clear definition, main formula and step-by-step examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/decimal-number/https://www.matematicas18.com/en/tutorials/arithmetic/number/decimal-number/Decimal number are values that represent numbers smaller than unity, each decimal number has an integer and a decimal part. A decimal number allows you to…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/euler-number/https://www.matematicas18.com/en/tutorials/arithmetic/number/euler-number/The Euler number, also known as the e-number, is a mathematical constant and belongs to the most important irrational numbers.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/even-numbers/https://www.matematicas18.com/en/tutorials/arithmetic/number/even-numbers/Even numbers are those that can be divided by 2 and result in an exact number, therefore, an even number cannot have decimals.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/golden-number/https://www.matematicas18.com/en/tutorials/arithmetic/number/golden-number/The golden number (also known as phi number, gold number and golden ratio) is an irrational number and is the relationship or ratio between two segments of…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/integer-numbers/https://www.matematicas18.com/en/tutorials/arithmetic/number/integer-numbers/The integer numbers or simply integers are sets of numerical signs that contain the natural numbers (positive numbers), the zero number “0” and the opposite…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/irrational-numbers/https://www.matematicas18.com/en/tutorials/arithmetic/number/irrational-numbers/Irrational numbers are those that have a decimal part of infinite numbers and do not have a number or group of periodic numbers, in other words, there is no…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/natural-numbers/https://www.matematicas18.com/en/tutorials/arithmetic/number/natural-numbers/Natural numbers are those that allow counting or ordering the elements of a set. There is no total or final amount of natural numbers, therefore, natural…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/odd-numbers/https://www.matematicas18.com/en/tutorials/arithmetic/number/odd-numbers/The odd numbers are those numbers that are not multiples of 2, therefore, an odd number is not divisible by 2. An odd number cannot have decimals.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/ordinal-numbers/https://www.matematicas18.com/en/tutorials/arithmetic/number/ordinal-numbers/Ordinal numbers are those numbers that indicate the position of an element corresponding to an ordered sequence.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/pi-number/https://www.matematicas18.com/en/tutorials/arithmetic/number/pi-number/The number pi, represented by the Greek letter “π”, belongs to the set of irrational numbers, that is, it is a number that cannot be expressed as a fraction…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/prime-numbers/https://www.matematicas18.com/en/tutorials/arithmetic/number/prime-numbers/The prime numbers are natural numbers that are only divisible between themselves and 1. Find out how to know if it is a prime number and different methods.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/number/rational-numbers/https://www.matematicas18.com/en/tutorials/arithmetic/number/rational-numbers/The set of rational numbers is represented mathematically by the letter “Q”, the set of integers is contained in the set of rational numbers.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/percentage/https://www.matematicas18.com/en/tutorials/arithmetic/percentage/The percentage is a way of representing the parts of an integer. Find out what it is and how to calculate the percentage in different mathematical problems.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/place-value/https://www.matematicas18.com/en/tutorials/arithmetic/place-value/The positional value is the position in which a digit is located with respect to a number, the highest value digit is the one on the left and the lowest value…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/rule-of-signs/https://www.matematicas18.com/en/tutorials/arithmetic/rule-of-signs/Discover the rule or laws of mathematical signs in addition, subtraction, division, multiplication and power. Learn to identify a positive or negative sign of…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/rule-of-three/https://www.matematicas18.com/en/tutorials/arithmetic/rule-of-three/The rule of three is a form that allows the resolution of proportionality problems between three known values and one unknown. A simple rule of 3 is…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/signs-of-greater-and-lesser/https://www.matematicas18.com/en/tutorials/arithmetic/signs-of-greater-and-lesser/A symbol or sign “greater than” is represented by the sign “>.” A symbol or sign “less than” is represented by the sign “<”.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/square-root-and-cube-root/https://www.matematicas18.com/en/tutorials/arithmetic/square-root-and-cube-root/Find out how to get the square root or cubic root of a given number, what it is and how to find the square or cubic root, as well as the parts it has.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/subtraction/https://www.matematicas18.com/en/tutorials/arithmetic/subtraction/Subtraction compares or removes one quantity from another. Learn the concept, procedure and solved examples step by step.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/arithmetic/sum/https://www.matematicas18.com/en/tutorials/arithmetic/sum/Addition combines two or more quantities to get a total. Learn the concept, procedure and solved examples step by step.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/https://www.matematicas18.com/en/tutorials/geometry/Learn geometry with visual explanations of angles, perimeter, area and volume, formulas and step-by-step examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/Learn geometric figures with visual explanations of sides, vertices, angles and dimensions, formulas and step-by-step examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/circle/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/circle/Learn what a circle is and how to calculate circumference and area with clear formulas and examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/decagon/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/decagon/Learn what a decagon is, how many sides it has and how to calculate perimeter and area in regular polygons.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/dodecagon/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/dodecagon/Learn what a dodecagon is, how many sides it has and how to calculate perimeter and area in regular polygons.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/hendecagon/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/hendecagon/Learn what a hendecagon is, how many sides it has and how to calculate perimeter and area in regular polygons.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/heptagon/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/heptagon/Learn what a heptagon is, how many sides it has and how to calculate perimeter and area in regular polygons.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/hexagon/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/hexagon/Learn what a hexagon is, how many sides it has, and how to calculate perimeter and area with examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/nonagon/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/nonagon/Learn what a nonagon is, how many sides it has and how to calculate perimeter and area in regular polygons.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/octagon/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/octagon/Learn what a octagon is, how many sides it has and how to calculate perimeter and area in regular polygons.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/pentagon/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/pentagon/Learn what a pentagon is, how many sides it has, and how to calculate perimeter and area with examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/Learn quadrilateral with visual explanations of sides, vertices, parallel sides and angle properties, formulas and step-by-step examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/rectangle/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/rectangle/Learn what a rectangle is and how to calculate area, perimeter and diagonal with clear formulas and solved examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/rhomboid/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/rhomboid/Learn what a rhomboid is, its main properties and the formulas used in exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/rhombus/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/rhombus/Learn what a rhombus is, its main properties and the formulas used in exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/square/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/square/Learn what a square is and how to calculate area, perimeter and diagonal with simple formulas and examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/trapezium/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/trapezium/Learn what a trapezium is, its main properties and the formulas used in exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/trapezoid/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/quadrilateral/trapezoid/Learn what a trapezoid is, its main properties and the formulas used in exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/solids/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/solids/Learn geometric solids with visual explanations of faces, edges, vertices, surface area and volume, formulas and step-by-step examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/solids/cube/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/solids/cube/Learn what a cube is, its main properties and the formulas used in exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/solids/cylinder/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/solids/cylinder/Learn what a cylinder is, its main properties and the formulas used in exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/Learn what a triangle is, its main properties and the formulas used in exercises.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/acute-triangle/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/acute-triangle/Learn what a acute triangle is, how to identify it, and how to calculate area and perimeter with examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/equilateral-triangle/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/equilateral-triangle/Learn what a equilateral triangle is, how to identify it, and how to calculate area and perimeter with examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/isosceles-triangle/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/isosceles-triangle/Learn what a isosceles triangle is, how to identify it, and how to calculate area and perimeter with examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/obtuse-triangle/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/obtuse-triangle/Learn what a obtuse triangle is, how to identify it, and how to calculate area and perimeter with examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/right-triangle/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/right-triangle/Learn what a right triangle is, how to identify it, and how to calculate area and perimeter with examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/scalene-triangle/https://www.matematicas18.com/en/tutorials/geometry/geometric-figures/triangle/scalene-triangle/Learn what a scalene triangle is, how to identify it, and how to calculate area and perimeter with examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/statistics/https://www.matematicas18.com/en/tutorials/statistics/Learn statistics from scratch with visual examples, probability, tables and charts.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/statistics/charts/https://www.matematicas18.com/en/tutorials/statistics/charts/Learn the most common statistical charts: bar, line and pie charts.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/statistics/frequency-table/https://www.matematicas18.com/en/tutorials/statistics/frequency-table/A frequency table shows how many times each value appears.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/statistics/mean-median-mode/https://www.matematicas18.com/en/tutorials/statistics/mean-median-mode/Learn mean, median and mode with simple examples and a solved table.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/statistics/probability/https://www.matematicas18.com/en/tutorials/statistics/probability/Learn basic probability with formulas and examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/statistics/range/https://www.matematicas18.com/en/tutorials/statistics/range/Learn how to calculate range with simple examples.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/statistics/standard-deviation/https://www.matematicas18.com/en/tutorials/statistics/standard-deviation/Learn what standard deviation is and how it relates to variance.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/en/tutorials/statistics/variance/https://www.matematicas18.com/en/tutorials/statistics/variance/Variance measures how far data values are from the mean.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/curiosidades/https://www.matematicas18.com/es/curiosidades/Curiosidades MatemáticasMon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/curiosidades/18-peliculas-de-matematicas/https://www.matematicas18.com/es/curiosidades/18-peliculas-de-matematicas/Descubre 18 películas donde el tema principal son las matemáticas, historia de genios matemáticos que hicieron un lograron un gran cambio al mundo.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/https://www.matematicas18.com/es/tutoriales/Explora tutoriales de matemáticas organizados por aritmética, álgebra, geometría y estadística con ejemplos visuales.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/algebra/https://www.matematicas18.com/es/tutoriales/algebra/El álgebra es una rama de la matemática que mediante letras se representa toda clase de cantidades, pueden ser conocidas o desconocidas. Se representa…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/algebra/division-de-monomios-y-polinomios/https://www.matematicas18.com/es/tutoriales/algebra/division-de-monomios-y-polinomios/En el caso de la división algebraica de monomios y polinomios es recomendable realizar un acomodo en forma de fracción.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/algebra/factorizacion/https://www.matematicas18.com/es/tutoriales/algebra/factorizacion/Factorizar consiste en escribir una expresión como producto de factores más simples. Aprende el concepto, el procedimiento y ejemplos resueltos paso a paso.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/algebra/fracciones-algebraicas/https://www.matematicas18.com/es/tutoriales/algebra/fracciones-algebraicas/Una fracción algebraica es aquella que presenta una expresión algebraica, es decir, ya sea una expresión en el numerador o en el denominador. El numerador y…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/algebra/maximo-comun-divisor-de-expresiones-algebraicas/https://www.matematicas18.com/es/tutoriales/algebra/maximo-comun-divisor-de-expresiones-algebraicas/El máximo común divisor(mcd) de dos o más expresiones algebraicas es el mayor coeficiente numérico y la letra de mayor grado que está contenida en cada una de…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/algebra/multiplicacion-de-monomios-y-polinomios/https://www.matematicas18.com/es/tutoriales/algebra/multiplicacion-de-monomios-y-polinomios/La multiplicación algebraica de monomios y polinomios consiste en realizar una operación entre los términos llamados multiplicando y multiplicador para…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/algebra/producto-notable/https://www.matematicas18.com/es/tutoriales/algebra/producto-notable/Se le llama producto notable al producto de una multiplicación que cumplen reglas fijas, por lo tanto, el resultado de la multiplicación es posible ser…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/algebra/resta-de-monomios-y-polinomios/https://www.matematicas18.com/es/tutoriales/algebra/resta-de-monomios-y-polinomios/La resta o sustracción algebraica de monomios y polinomios es una operación en la cual se quiere encontrar la diferencia entre el minuendo y el sustraendo.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/algebra/suma-de-monomios-y-polinomios/https://www.matematicas18.com/es/tutoriales/algebra/suma-de-monomios-y-polinomios/La suma algebraica de monomios y polinomios es una operación que permite juntar o reunir dos o más expresiones algebraicas en una sola expresión.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/https://www.matematicas18.com/es/tutoriales/aritmetica/La aritmética es una rama de las matemáticas centrada en el estudio de los números. Cabe destacar que los números son muy utilizados en tareas cotidianas y…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/division/https://www.matematicas18.com/es/tutoriales/aritmetica/division/La división reparte una cantidad en partes iguales. Aprende el concepto, el procedimiento y ejemplos resueltos paso a paso.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/divisor/https://www.matematicas18.com/es/tutoriales/aritmetica/divisor/Un divisor es una función aritmética que dividen al número natural en partes en exactas, por lo tanto, al dividir el cociente debe ser un número entero (esto…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/exponente/https://www.matematicas18.com/es/tutoriales/aritmetica/exponente/El exponente o potencia es una operación matemática que indica cuantas veces debemos multiplicar un número por sí mismo. Entre los exponentes que destacan es…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/factorial/https://www.matematicas18.com/es/tutoriales/aritmetica/factorial/La función factorial es una fórmula matemática representada por un signo de exclamación “!” detrás de un número. Esta exclamación quiere decir que se debe…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/Las fracciones representan un reparto o una porción de una unidad. Descubre qué es una fracción, partes de las fracciones, representación de una fracción,…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/como-convertir-decimales-a-fracciones/https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/como-convertir-decimales-a-fracciones/Descubre cómo convertir decimales a fracciones y viceversa de fracciones a decimales con procedimientos muy simples y algunos trucos para el aprendizaje de…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/division-de-fracciones/https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/division-de-fracciones/Multiplica la primera fracción por el recíproco de la segunda. Aprende el procedimiento paso a paso con ejemplos resueltos y ejercicios.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/fracciones-mixtas/https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/fracciones-mixtas/Descubre qué es una fracción mixta, cómo resolver las fracciones mixtas y recomendaciones para resolver problemas que contengan fracciones mixtas.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/multiplicacion-de-fracciones/https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/multiplicacion-de-fracciones/Multiplica numerador por numerador y denominador por denominador. Aprende el procedimiento paso a paso con ejemplos resueltos y ejercicios.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/resta-de-fracciones/https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/resta-de-fracciones/Para restar fracciones, usa un denominador común y resta los numeradores. Aprende el procedimiento paso a paso con ejemplos resueltos y ejercicios.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/suma-de-fracciones/https://www.matematicas18.com/es/tutoriales/aritmetica/fracciones/suma-de-fracciones/Para sumar fracciones, usa un denominador común y suma los numeradores. Aprende el procedimiento paso a paso con ejemplos resueltos y ejercicios.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/logaritmo/https://www.matematicas18.com/es/tutoriales/aritmetica/logaritmo/Descubre qué es un logaritmo, cómo resolver logaritmos, propiedades de los logaritmos y muchas otras recomendaciones para su solución.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/mcd/https://www.matematicas18.com/es/tutoriales/aritmetica/mcd/El MCD es el mayor número que divide exactamente a dos o más números. Aprende el concepto, el procedimiento y ejemplos resueltos paso a paso.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/mcm/https://www.matematicas18.com/es/tutoriales/aritmetica/mcm/El MCM es el menor múltiplo positivo común de dos o más números. Aprende el concepto, el procedimiento y ejemplos resueltos paso a paso.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/multiplicacion/https://www.matematicas18.com/es/tutoriales/aritmetica/multiplicacion/La multiplicación suma una misma cantidad varias veces. Aprende el concepto, el procedimiento y ejemplos resueltos paso a paso.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/multiplicacion/tablas-de-multiplicar/https://www.matematicas18.com/es/tutoriales/aritmetica/multiplicacion/tablas-de-multiplicar/Descubre las tablas de multiplicar desde el número 1 al 10, así también la tabla pitagórica y consejos de cómo aprender las tablas de multiplicar.Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/multiplos/https://www.matematicas18.com/es/tutoriales/aritmetica/multiplos/Los múltiplos de un número son el resultado de la multiplicación del número natural por otro número naturale, por lo tanto, un número es múltiplo de otro si…Mon, 06 Jul 2026 00:00:00 GMT https://www.matematicas18.com/es/tutoriales/aritmetica/numero/https://www.matematicas18.com/es/tutoriales/aritmetica/numero/El término número proviene del latín “numerus” y se refiere a la expresión de una cantidad con relación a su unidad, por lo tanto, es una expresión de la…Mon, 06 Jul 2026 00:00:00 GMT