Memory Game Numbers, addition, subtractionOnline version Hi students, in this game you will practice some numbers from 0 to 9,999, additions and subtraction. by LAURA ANDREA MEDINA DIAZ Minus Subtraction operation 134-98= 36 1,957 15 25+64= 89 Plus Addition operation 45+12= 67 745 50 1,249-200= 1,049