The link points to a video that shows a standard way of doing this.
2 *21=42
A multiplacation sentence is excactly what it says it is! EXAMPLE: 9x9=? 1x9=? 3x8=? That is a multiplacation sentence.
4 X 2 = 8
the person who invented multiplacation is very smart and takes the easy way
As a product of its prime factors: 2*5*89 = 890
draw two dots and a line beetween them.
4x+6=18
1*16, 2*8, 4*4, 1/2*32, etc.
answer to a multiplacation equation
the product
Inverse means opposite so division is the opposite of multiplacation
product