How is fourth grade different from third?

Three ways: times run to the exact minute, some spans cross noon, and the missing piece rotates: sometimes it's the elapsed time, sometimes the start or the end. So an answer might be 2 h 47 min or a clock time like 3:40 p.m.

What trips kids up when a problem crosses noon?

The hour flips at 12, so counting straight through gives strange answers. Have your child treat 12:00 as a rest stop: count up to noon, switch to p.m., then keep going from there.

4th grade elapsed time

4th grade elapsed time worksheets

Fourth grade elapsed time worksheets rotate the unknown: sometimes the elapsed time is missing, sometimes the end time, sometimes the start. Times run to the exact minute and some spans cross noon, so a.m. flips to p.m. mid-problem.

Free printable PDF worksheet, aligned to Common Core 4.MD.A.2.

Each print is a different sheet with its own answer key. You don't need to sign up.

The kind of problems you'll get

Find the missing time or duration. Show your thinking in the space below.

Start: 10:00 am Elapsed: End: 10:30 am
Answer: hours 0, minutes 30
Start: 9:45 am Elapsed: hours 1, minutes 45 End:
Answer: 11:30 am
Start: Elapsed: hours 1, minutes 5 End: 10:25 am
Answer: 9:20 am

Every print pulls a fresh set of problems at this level, so a make-up test or a second sibling never gets the same sheet.

What's on a 4th grade sheet

The sample sheet above has 9 problems. This sheet is aligned to 4.MD.A.2. The 3rd grade sheet is aligned to 3.MD.A.1.

Elapsed time. Find the missing time or duration. Show your thinking in the space below. 9 problems per page.

Every version prints on US Letter or A4, with its answer key after the problems.

How to teach this

The rotating unknown is the point. Before any counting, ask your child which piece is missing and whether the answer will be a length of time or a clock time. For spans that cross noon, put 12:00 down as a landmark and count to it first. Watch for answers like 3:40 with no a.m. or p.m. when the problem asks for a clock time.

Watch for: Kids subtract times like plain numbers, turning 3:10 minus 2:50 into 60 minutes. An hour has 60 minutes, not 100, so count up instead: 2:50 to 3:00 is 10 minutes, then 10 more makes 20. Kids forget the hour flips at 12 when a span crosses noon. Make 12:00 a landmark: count the minutes up to noon first, then keep counting on the p.m. side.

Common questions about 4th grade elapsed time

How is fourth grade different from third?: Three ways: times run to the exact minute, some spans cross noon, and the missing piece rotates: sometimes it's the elapsed time, sometimes the start or the end. So an answer might be 2 h 47 min or a clock time like 3:40 p.m.
What trips kids up when a problem crosses noon?: The hour flips at 12, so counting straight through gives strange answers. Have your child treat 12:00 as a rest stop: count up to noon, switch to p.m., then keep going from there.

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Aligned to Common Core 4.MD.A.2. Reviewed by the One more sheet team. Content version 240, updated September 2026.

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