William Oughtred invented it in 1631.
the person who invented multiplacation is very smart and takes the easy way
draw two dots and a line beetween them.
A multiplacation sentence is excactly what it says it is! EXAMPLE: 9x9=? 1x9=? 3x8=? That is a multiplacation sentence.
The addition sign was invented in Oakland California.
the product
answer to a multiplacation equation
Inverse means opposite so division is the opposite of multiplacation
The plus or addition sign was invented by Michael Stiple in 1544
The person who invented the plus sign is the same as the minus
a product
division
product