Subtraction — don’t say it too loudly — means to take away objects from a group and count how many are left. NBA hall-of-famer Kareem Abdul Jabbar demonstrates this on Sesame Street with the help of five birds and a lot of squawking. There’s just one problem: Big Bird has a hard time figuring out the secret to Jabbar’s lesson. Don’t say subtraction!
Take a look at the clip below.