Math's Game

I have made a Math's Game
Full code: https://scratch.mit.edu/projects/431354001/editor/
Supplies
Scratch Account:
https://scratch.mit.edu
Any device
Make a Host


Draw a host and insert the code shown.
(There was too much code so I had to zoom out)
The Buttons


Make the buttons
Quit Button

Is the game too hard? Stop the game!
Lives


Get it wrong three times and it's game over
Score


You gain a point every question answered correct
(This was the hardest because I had to change the variable values to sprite costumes)
The Thumbnail/Cover


The simplest part of the game.