Math Knock Knock Jokes

Here you will find funny, silly and hilarious math knock knock jokes for children of all ages, teens and adults.

Do you have a funny knock knock joke? Please share!

Knock, knock!
Who's there?
Y-axis who?
Y-axis to continue this thread? I'd rather do math.Submitted by: Shane I
Knock, knock!
Who’s there?
Zeroes who?
Zeroes as fast as she can, but the boat doesn’t move.

Popular who's there?