Add subtract numbers up to 1000000 Welcome to your Add and subtract numbers up to 1000000 QuizPlease enter your email and click "Next" Email Add vertically 234567 + 1002No calculator pleaseSubtract vertically 199999 - 111111No calculator pleaseDetermine the sum 351000 + 125No calculator pleaseFill in the missing number130456 - = 300Fill in the missing number451 + = 967800Time is Up!
