Students subtract times along a number line. Then, students use column subtraction to find x minutes earlier than a given time
A. Review telling time to five minutes
B. Tell time to the minute (Level 1)
C. Tell time to the minute (Level 2)
D. Identify the start and end times of a scenario
E. Calculate the time interval
F. Calculate time intervals using a timeline
G. Calculate time intervals, without a timeline
H. Rewrite time as hr and min
I. Calculate the end time using addition
J. Calculate the end time using column addition (Level 1)
K. Calculate the end time using column addition (Level 2)
L. Calculate the end time using column addition (Level 3)
M. Calculate the start time using subtraction
N. Calculate the start time using column subtraction (Level 1)
O. Calculate the start time using column subtraction (Level 2)
Q. Calculate the start time when the end time and time intervals are known (Level 1)
R. Calculate start time when the end time and time interval are known (Level 2)