Which word could best replace the word intriguing

Show his work so he doesn’t get points taken off. this is because even if he can do calculations in his head, he may make a mistake and having it on the paper will not only him find mistakes but show that he was doing the work as well.

Ibelieve the topic sentence is [1] keeping my mind on my writing is not easy when i stay at my grandfather's ocean-side cottage. hope this : )

App is for other people to you and u others