In math, addition is denoted using the plus sign (+). Typically, addition appears in an expression like this:
In plain language, this means “add with ”.
In mathematics, the minus symbol represents the subtraction operator. The expression on the right is subtracted from the expression on the left.
A dot between two numbers denotes multiplication in mathematics. The formal name for the dot symbol is an interpunct.
In math, we write division using a horizontal bar between the numerator and denominator.