How many subtraction problems can you do in 60 seconds? How accurate will you be? Subtract with numbers from 1-100 in 60 seconds and see your accuracy as well as how many you got right and how many wrong.
How many subtraction problems can you do in 60 seconds? How accurate will you be? Subtract with numbers from 1-100 in 60 seconds and see your accuracy as well as how many you got right and how many wrong.