Mathematical Symbols and Their Origins

Why did Robert Recorde invent the equal sign?

• To represent the concept of addition.

• To simplify writing the words "is equal to".

• To denote a quantity that is unknown.

• To indicate a repeated operation.

From what Latin word did the plus sign for addition originate?

• Summa

• Plus

• Et

• Addere

What is a primary reason mathematicians invented or adopted symbols?

• To make mathematics more artistic.

• To make calculations more complex.

• To avoid repeating themselves and use fewer words for ideas.

• To confuse non-mathematicians.

Think about the math symbol for division.
Why do you think this symbol was developed to
represent division? What do you notice?