What do the problems look like?

Each one prints a start and an end time, like Start: 2:15 p.m., End: 3:40 p.m., with a line for the answer. Elapsed time gets written as hours and minutes (1 h 25 min) or just 45 min for shorter spans.

What's the best way to solve them?

Count up in two jumps: from the start to the next o'clock, then on to the end time. A quick number line sketch makes the jumps visible and heads off the borrowing mistakes that come from subtracting times like plain numbers.

3rd grade elapsed time

3rd grade elapsed time worksheets

Elapsed time worksheets for third grade print a start time and an end time (Start: 2:15 p.m., End: 3:40 p.m.) with a line for the elapsed time. Times land on five-minute marks and stay within the morning or the afternoon.

Free printable PDF worksheet, aligned to Common Core 3.MD.A.1.

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: 6:30 am Elapsed: End: 7:30 am
Answer: 60 min
Start: 8:20 am Elapsed: End: 9:26 am
Answer: 66 min
Start: 7:30 am Elapsed: End: 9:20 am
Answer: 110 min

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 3rd grade sheet

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

Teach the count-up in two jumps: from the start time to the next o'clock, then from there to the end. Have your child write both jumps down (45 to reach 3:00, then 40 more) before adding them. If the total comes out as 85 min, that's fine at first; converting it to 1 h 25 min can be its own step.

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 3rd grade elapsed time

What do the problems look like?: Each one prints a start and an end time, like Start: 2:15 p.m., End: 3:40 p.m., with a line for the answer. Elapsed time gets written as hours and minutes (1 h 25 min) or just 45 min for shorter spans.
What's the best way to solve them?: Count up in two jumps: from the start to the next o'clock, then on to the end time. A quick number line sketch makes the jumps visible and heads off the borrowing mistakes that come from subtracting times like plain numbers.

Related worksheets

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Aligned to Common Core 3.MD.A.1. Reviewed by the One more sheet team. Content version 240, updated September 2026.

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