# Mathematical symbols/Printable version

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Mathematical symbols

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# Plus sign

Plus sign

+

## IntroEdit

The plus sign `+`

is used for addition.

## AdditionEdit

Addition is about combining numbers to make a bigger number. For example, 2 + 2 is 4.

# Plus or minus sign

Plus or minus sign

**±**## IntroEdit

The plus or minus sign `±`

can be replaced with a plus sign `+`

or a minus sign `−`

.

## Addition and subtractionEdit

3 ± 3 = 6

The equation above would be 3 + 3 = 6.

3 ± 3 = 0

The equation above would be 3 − 3 = 0.