Assertion: homework's time | /r/HasProperty | 90 minutes
Facets:
value: respectively
type: DEGREE
Source sentences:
text: For, primary, upper elementary, middle school, and high school grades, the optimal time is about 20, 40, 60, and 90 minutes, respectively.
text: Time spent on homework should align with the student’s age – a short time spent in elementary school, up to 90 minutes for middle school or junior high aged students and between 1½ and 2 ½ hours per night (not per subject!)
text: For, primary, upper elementary, middle school, and high school grades, the optimal time is about 20, 40, 60, and 90 minutes, respectively.