The 24-hour clock to the 12-hour clock

Difficulty Starter · Set 1fr3z0

Put am or pm after each answer.

Fill in what you can and press Check. Nothing you type is sent anywhere.

1
Write 04:45 as a 12-hour time.
2
Write 17:30 as a 12-hour time.
3
Write 01:00 as a 12-hour time.
4
Write 23:45 as a 12-hour time.
5
Write 08:45 as a 12-hour time.
6
Write 13:15 as a 12-hour time.
7
Write 06:30 as a 12-hour time.
8
Write 21:45 as a 12-hour time.
9
Write 02:15 as a 12-hour time.
10
Write 11:15 as a 12-hour time.
11
Write 14:30 as a 12-hour time.
12
Write 07:15 as a 12-hour time.
13
Write 13:45 as a 12-hour time.
14
Write 10:30 as a 12-hour time.
15
Write 03:00 as a 12-hour time.
16
Write 13:00 as a 12-hour time.
17
Write 09:15 as a 12-hour time.
18
Write 07:45 as a 12-hour time.
19
Write 10:30 as a 12-hour time.
20
Write 11:45 as a 12-hour time.

What is in this set

The numbers in this set run from 1 to 45.
50% of them fall before noon.
50% of them fall in the afternoon or the evening.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 54% of the problems: anything from 12.
Answers are a short answer exactly as the problem asks for it.

Drawing 240 problems from this page produced 89 different ones, 37% — so a sheet of 20 will come back to a problem you have seen — there are only so many sensible ones of this kind.

The same skill, harder or easier

We would put this in front of a grade 5 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.