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 50 45+12= 67 Subtraction operation Addition operation 134-98= 36 Minus 745 1,249-200= 1,049 25+64= 89 1,957 Plus 15