Q:
# 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.

Learn more about Arithmetic-
Q:
## 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: -
Q:
## What does "product" mean in math?

A: A product in math is defined as the answer of an equation in which two or more variables are multiplied. In other terms, a product is the answer to any mul... Full Answer >Filed Under: -
Q:
## What does "inverse" mean in math?

A: In math, inverse is explained as the opposite in effect. An inverse function is one that reverses another function. If an inverse does exist for a function... Full Answer >Filed Under: -
Q:
## What is a dividend in math?

A: In math, the dividend is the number into which another number is divided. In the division problem 8 ÷ 4 = 2, the number eight is the dividend. Full Answer >Filed Under: