Practice Elapsed Time in Math

Use these practice problems to test your method after reviewing the concept explanation and worked examples.

Worksheet PDF Free Answer-key PDF Family

Quick Recap

Calculating the amount of time that passes between a start time and an end time, using hours and minutes in base-60 arithmetic rather than base-10.

Imagine a movie starts at 2:15 PM and ends at 4:45 PM. Elapsed time is like counting how many minutes the movie lasted—you hop forward from the start time to the end time.

Showing a random 20 of 50 problems.

Example 1

hard
Two friends: A studies 8:30 to 10:15, B studies 9:00 to 10:45. Who studied longer, and by how much?

Example 2

easy
Lunch starts at 12:00 and ends at 12:35. How many minutes is lunch?

Example 3

challenge
A clock shows 9:47. How many minutes until 11:03?

Example 4

medium
A swim lesson is 45 minutes. The next is right after. If lessons start at 4:00 PM, when does the second one end?

Example 5

medium
From 7:55 AM to 9:10 AM, how much time passes?

Example 6

easy
From 1:20 to 1:35, how many minutes pass?

Example 7

easy
A bus leaves the stop at 7:25 AM and arrives 30 minutes later. What time does it arrive?

Example 8

medium
From 8:15 AM to 12:45 PM, how much time passes?

Example 9

easy
A show ends at 8:40 after starting at 8:10. How long was it?

Example 10

medium
From 2:15 PM to 4:45 PM, how long is the movie?

Example 11

easy
Soccer practice runs from 4:00 PM to 5:30 PM. How long is practice?

Example 12

easy
School starts at 8:00 AM and ends at 3:00 PM. How long is the school day?

Example 13

medium
A toy oven bakes for 1 hour 25 minutes. Maya starts at 2:50 PM. When is it done?

Example 14

medium
How long is a soccer game that starts at 9:30 AM and ends at 11:05 AM?

Example 15

easy
How many minutes are in 2 hours and 15 minutes?

Example 16

medium
From 3:20 to 3:20 the next... no — find the time 50 minutes after 3:40.

Example 17

medium
A piano lesson runs from 3:50 PM to 4:35 PM. How long is the lesson?

Example 18

medium
How many minutes between 6:45 and 8:30?

Example 19

medium
Mom puts cookies in the oven at 5:48 PM. They bake for 12 minutes. When do they come out?

Example 20

easy
It is 7:00 now. What time is it 3 hours later?
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Related Concepts

Telling TimeSubtraction