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# What is mental math?

**Calculations that a person does in his head without the use of external aids is called mental math.** It is the most common form of calculation in daily life, as it can quickly perform simple calculations and estimations.

Mental math uses facts about numbers that have been committed to memory. Such facts may include multiplication tables and relationships between numbers. For example, a student solving 86 x 5 might find it quicker to calculate the solution to (86 ÷ 2) x 10 than to write out the algorithmic process. Mental math is practiced in various ways, including finding different ways to calculate a given number.

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## What is vedic math?

A: Vedic mathematics is the name given to an ancient system of Indian mathematics that's based on simple rules and principles. Its premise is that any mathema... Full Answer >Filed Under: -
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## What is a mean in math?

A: In math, the mean is the average of a set of numbers. To determine the mean, add all numbers in a set and take this answer and divide it by how many number... Full Answer >Filed Under: -
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## What does "exp" mean in math?

A: In mathematics, the abbreviation "exp" stands for the word exponent. An exponent is a number placed after another number to indicate the power to which the... Full Answer >Filed Under: -
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## What does "equivalent" mean in math?

A: Equivalent means something has the same value or is interchangeable. For instance, $1 is equivalent to 100 cents, four quarters, 10 dimes or 20 nickels. Li... Full Answer >Filed Under: