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Lesson 1.4: Plus and Minus Signs


plus sign

minus sign


The symbol for addition is the plus sign, dots three four six. The symbol for subtraction is the minus sign, dots three six.

Guidelines for use of the plus and minus symbols

When used to indicate addition or subtraction, there is no space between the numerals or other symbols and the signs of operation. The numeric indicator is not used after the sign of operation.

Example 1

twelve plus seven

Example 2

fifteen minus six

Example 3

sixteen plus seven minus four

Example 4

twenty two minus five minus three

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