- Since 2 is in the tenths place, 72.22 is between 72.2 and 72.3
- 72.25 is the midpoint between 72.2 (72.20) and 72.3 (72.30)
- As illustrated on the number line, 72.22 is less than the midpoint (72.25)
- Therefore, 72.22 rounded to the nearest tenth (one decimal place) = 72.2
%20with%20a%20number%20line.png)