A beautiful game to be played all the morning.
Or there was the game of Not Hearing.

Miss Jones would say: "And twice two are four." Mary would repeat loudly: "And twice two is five--" "Four, Mary." "Oh, I thought you said five." And then a second later Jeremy would ask: "Did you say four or five, Miss Jones ?" "I told Mary I said four--" "Oh, I've written five--and now it's all wrong.

Didn't you write five, Mary ?" "Yes, I've written five.

You did say four, didn't you, Miss Jones ?" "Yes--yes.

And three makes--" "What did you say made five ?" asked Jeremy.
"I didn't say five.