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