Continuous Testing Puns

A doctor notices this and says, "Excuse me sir, but what are you doing?"

The man ignores the doctor and continues, now taking everyone's blood pressure.

"Sir, I'll ask you again", says the doctor, "why are you here and what are you doing?"

Ignoring the doctor again, the man then begins to take everyone's blood and starts processing it through the hospital's examination equipment.

"Right!" Shouts the doctor. "Now you're testing my patients!"

I was sat a few seats away from a man and his son/grandson and he was testing the kid on his math.

Man: "what's 2+2"
Kid: "4"
Man: "what's 4+4"
Kid: "8"
Man: what's 8+8"
Kid: "16"

This continued all the way up to 2048

Man: "okay then... if you have two yards, what have you got?"
Kid: "umm.... two metres?... a metre?"
Man: "no, you have a back yard and a front yard"

I let out a little chuckle but the kid didn't seem to enjoy it as much