Simple Times Table Check Game

I require a simple times table check game. It will generate times tables questions from 2 to 12.

Project to be completed 14th March 2021
1: There will be 25 questions with a few seconds time for them to get the answer.
2: Once questioned answer it will move to the next questions. At the end of all questions , it will issue a certificate of completion and the score in marks and percentages.
3: It can be a simple rectangle box like a calculator style. The questions at the side.
4: There will be a link to my site when the game is completed.
5: They will only be told at the end what the score is.

1 - There will also be four questions which they get to practice on at the start.
2: There will be a clear button so if they make a mistake they can clear it.
3: There will be an indicate of how many questions there are and how many left to do.
4: There will be screens before that encourage them to keep going. Just simple words which I will give to you.

Required.... calm person who can follow simple instructions. Person who will ensure all is correct before sending invoice. Invoice to be issued once we are agreed that all work is completed and will be paid immediately.

All copyright of this game is mine and will not be used again. Please send samples of what you have done in the past.