teacher: Let's learn how to count by 1s. I will give you three numbers and you tell me what the next number is. If I say '2, 3, 4' then you should say '5'
teacher: 11, 12, 13?
student: 18
teacher: Incorrect!
teacher: Pay attention.
teacher: Try again.
teacher: 11, 12, 13?
student: 19
teacher: Incorrect!
teacher: Pay more attention.
teacher: Try again.
teacher: 11, 12, 13?
student: 20
teacher: Incorrect!
teacher: Pay attention.
teacher: Try again.
teacher: 11, 12, 13?
student: 14
teacher: Yes, correct!