- Since 6 is in the tenths place, 0.664 is between 0.6 and 0.7
- 0.65 is the midpoint between 0.6 (0.60) and 0.7 (0.70)
- As illustrated on the number line, 0.664 is greater than the midpoint (0.65)
- Therefore, 0.664 rounded to the nearest tenth (one decimal place) = 0.7
%20with%20a%20number%20line.png "0.664 rounded to the nearest tenth (one decimal place) with a number line")
