Elapsed Time (Intro) — Answer Key
Part A: Sort the Words
Sort each word or number into the correct category box.
1. Sort each activity time as AM (morning) or PM (afternoon/evening).
AM
breakfast at 7:30school bus 7:45waking up at 6:30 PM
lunch at 12:15bedtime at 8:45soccer 5:30 Morning routines like breakfast and the school bus happen in AM. Lunch at 12:15 is just after noon, so it is PM.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. AM means the time from midnight until noon.
AM covers midnight through noon, so all morning times are AM.
2. PM means the time from noon until midnight.
PM covers noon through midnight, so afternoon, evening, and night are all PM.
3. Eating dinner at 6:30 happens in the PM.
Evening dinner time is after noon, so 6:30 at dinner is PM.
4. Waking up at 7:00 in the morning is AM.
Wake-up time is before noon, so 7:00 in the morning is AM.
5. Lunch at school at 12:15 is labeled PM.
12:00 noon starts PM, so 12:15 lunchtime falls in the PM hours.
Part C: True or False?
Read each statement. Circle True or False.
1. Breakfast at 7:30 in the morning is an AM time.
True False
7:30 in the morning is before noon, which is AM.
2. Bedtime at 8:45 at night is an AM time.
True False
Nighttime is after noon, so 8:45 at night is PM, not AM.
3. Noon is the moment when AM switches to PM.
True False
At 12:00 noon the clock moves from AM into PM for the rest of the day.
4. Soccer practice at 5:30 in the afternoon is AM.
True False
5:30 in the afternoon is after noon, which makes it PM, not AM.