(a)When you can't solve a math problem for a very long time and then finally you finally did it,you will feel a great sense of accomplishment and happy.
(b)Sometimes, i do not know how to do questions in the assessment book.I will first try it myself and if i still don't know, i will ask my teacher for help.
(a)I think it will be very fun.
(b)Everyone must contribute to solve the question.
We can do more assessment books(Practice makes perfect)and revise the topic teacher taught on that day.