Question

Is .212 greater than .31

Answer 1

No it is not. .31 is greater than .212 because the 3 is bigger than the 2

Answer 2

This is all about place value. Just simply line up your numbers, and see which number is highest.
.212
.31
Since the three (right after the decimal point) is greater than the 2, then the answer is: .31 is greater than .212
~Hope this helped