- Since 6 is in the tenths place, 1.64 is between 1.6 and 1.7
- 1.65 is the midpoint between 1.6 (1.60) and 1.7 (1.70)
- As illustrated on the number line, 1.64 is less than the midpoint (1.65)
- Therefore, 1.64 rounded to the nearest tenth (one decimal place) = 1.6
%20with%20a%20number%20line.png "1.64 rounded to the nearest tenth (one decimal place) with a number line")
