School started at 8:05 a.m. and ended at 2:40 p.m. The work below shows Erica’s calculation of the length of the school day.
Which two errors did Erica make?
1.She subtracted instead of adding the times.
2.She subtracted the end time from the start time.
3.She did not regroup 1 hour for 60 minutes to subtract the minutes.
4.She did not account for a.m. and p.m. in the start and end times.
5.She switched the hours and minutes in both the start and end times.
Sorry I am late but here are the answers for the whole quick check
1. 1 hour 45 minutes
2. 3 hours 47 minutes
3. She subtracted the end time from the start time.; She did not account for a.m. and p.m. in the start and end times.
4. 2 hours 35 minutes
5. to Boston (because the flight takes 1hr and 15 minutes
I promise this is alright I am in 6th grade so if you are in 6th grade Connexus this is correct! 100%
The answers are 2 and 4. I just took it and got 100%.
1.B
2.D
3.B & D
4.B
5.A
you know you can at least help this poor person who doesn't know that answer
Wait no sorry 2 is D
@Connexus Kid is 100% right tysm!
1.B
2.A
3.B & D
4.B
5.A
can you show us erica's problem so we may see what she was doing
i can help
7 65
8hr 5min
2hr 40min subtracting
____________-
5hr 25min