Elapsed Time — Answer Key
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
From 4:15 to 4:45 is 45 minutes.
Corrected: From 4:15 to 4:45 is 30 minutes.
45 minus 15 equals 30 minutes elapsed.
2. Fix the sentence:
From 7:00 to 7:25 is 20 minutes.
Corrected: From 7:00 to 7:25 is 25 minutes.
Five fives from 0 equals 25 minutes.
3. Fix the sentence:
A quarter past 6 is 6:30 on the clock.
Corrected: A quarter past 6 is 6:15 on the clock.
A quarter of an hour equals 15 minutes.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. From 4:15 to 4:45 is 30 minutes.
45 minus 15 gives 30 minutes elapsed.
2. From 7:00 to 7:25 is 25 minutes.
The minute hand moves 5 spaces of 5.
3. A quarter past 3 is written as 3:15.
A quarter hour is 15 minutes long.
4. From 2:20 to 2:40 is 20 minutes.
40 minus 20 leaves 20 minutes elapsed.
Part C: True or False?
Read each statement. Circle True or False.
1. From 5:10 to 5:35 is 25 minutes in Grade 3 elapsed time.
True False
35 minus 10 equals 25 minutes exactly.
2. A quarter to 9 means 9:15 on a Grade 3 clock.
True False
Quarter to 9 is 8:45, fifteen before 9.
3. From 6:05 to 6:20 is 15 minutes in Grade 3.
True False
20 minus 5 leaves 15 minutes of time.