Mrs. Agriesti's Math Integer Add/Subtraction TimeLabel Time TimeText 00:00 Problem = Answer Hint Enter 'S' to Start ToGoLabel To Go ToGoText 0 Copyright Copyright © 2000-2014 M Agriesti. All rights reserved. Number 7 7 Number 8 8 Number 9 9 Number 4 4 Number 5 5 Number 6 6 Number 1 1 Number 2 2 Number 3 3 Number 0 0 Negative Backspace Back Clear Clear Start Start Equal =