Subject
Topic
Level
Primary
3

Our video on elapsed time teaches how much time has passed or will pass. Follow along and pause at any time to have kids figure it out on their own clocks.

Cassie finishes softball practice at 3:52p.m. after practicing for 30 minutes. What time did the practice start?

Cassi finished practice at 3:52 p.m. after practicing 30 minutes, that means the practice start 30 minuts before 3:52p.m., to solve that we need to return 30 minutes in time to reach the start time:

3 and 52 minutes - 30 minutes = 3 and ( 52-30 ) = 3 and 22 minutes.

The practice started on : 3:22 p.m.

Jordie builds a model from 9:14 a.m. to 9:47 a.m. How many minutes does Jordie take to finish his model?

Jordie builds a model from 9:14 a.m. to 9:47 a.m. that means:

He started at 9 and 14 minutes and finished at 9 and 47 minutes.

The number of hours is the same: 9

so to solve that we need to : 9 and 47 minutes - 9 and 14 minutes = (9-9) and (47-14)

= 0 and 33 = 33 minutes.

It tooks Jordie 33 minutes to finish his model.