- Since 1 is in the tenths place, 52.124 is between 52.1 and 52.2
- 52.15 is the midpoint between 52.1 (52.10) and 52.2 (52.20)
- As illustrated on the number line, 52.124 is less than the midpoint (52.15)
- Therefore, 52.124 rounded to the nearest tenth (one decimal place) = 52.1
%20with%20a%20number%20line.png "52.124 rounded to the nearest tenth (one decimal place) with a number line")
