The Venn Diagram

A Way to Compare Two Things

Long ago, a man in England wanted to compare two sets of things using a picture.

The man’s name was John Venn.

So he thought he would use two circles to list everything that was different about the items he would compare.

DifferentDifferent

Compare Two Things

John Venn had an idea. He would push the circles together until they overlapped.

different different

Comparing Similarities

The new space could show the similarities of the two things.

different different

same

different different

same

Now we can compare things well.

different different

same

Let’s compare………..

pencil crayon

Both:

•have points

•make marks

•can be held

•make lines

•make pictures

•can be used to write

made of wood

has lead

makes pencil marks

has an eraser

made of crayon wax

has a paper wrapper

makes color marks

does not have an eraser

Things We Use for Writing

different different

same

Things that are Alive

Me My Favorite Animal