 Basic Math - dummies

# Basic Math

### How to Calculate Percentages

Calculating percentages can be an easy task. There are numerous percentage calculators onl...

### How to Subtract Numbers

Subtraction is usually the second operation you discover, and it’s not much harder t...

### How to Add, Subtract, Multiply, and Divide with Un

Anything that can be counted is a unit. Because you can count units, this means that you c...

### How to Add and Subtract on the Number Line

You can use the number line to demonstrate simple addition and subtraction. These first st...

### How to Round Numbers

Rounding numbers makes long numbers easier to work with. Here you will learn how to round...

### How to Multiply with the Number Line

Suppose you start at 0 and circle every other number on a number line, as shown in the bel...

### How to Divide Numbers on the Number Line

You can use the number line to divide. For example, suppose you want to divide 6 by some o...

### Use the Number Line to Find Zero

An important addition to the number line is the number 0, which means nothing, zilch, nada...