Sorry if I make this script too long.
when clicked set score to 0 set number1 to pick random -10 to 10 set number2 to pick random -10 to 10 say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join question score + 1 for 2 secs ask join what's join number1 join + join number2 =? and wait if number1 + number2 = answer then change score by 1 say you're correct! for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs else say sorry, you're incorrect. for 2 secs say join your score is score for 2 secs