Add subtract numbers up to 1000000 Welcome to your Add and subtract numbers up to 1000000 QuizPlease click "Next" Add vertically 234567 + 1002No calculator please Subtract vertically 199999 - 111111No calculator please Determine the sum 351000 + 125No calculator please Fill in the missing number130456 - = 300 Fill in the missing number451 + = 967800 Time is Up! Time's up