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Convert Units of Time - Printable Science Worksheets 4th - 4th Grade - Wayground

Convert Units of Time

Allison Holden

By Allison Holden

15 questions

4th - 4th Grade

Science

145 plays

Updated Apr 2026

Convert Units of Time is a free printable Grade 4 mathematics worksheet that helps students convert among seconds, minutes, hours, and days. The 15 multiple-choice questions include straightforward conversions, mixed-unit amounts such as hours and minutes, and conversions between days and hours. Students also solve two short practice scenarios that require combining durations before converting the total to seconds. This worksheet supports fluency with time-unit relationships and helps students decide which operation and conversion step a problem requires. It is useful for independent practice, review, homework, or a quick formative check after instruction. The printable worksheet includes a complete answer key, allowing teachers to review choices efficiently and identify whether students need more support with basic conversions, mixed units, or multi-step time word problems.

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Convert Units of Time

Total questions: 15

Name
Class
Date
1.
How many seconds in 4 minutes?
a)
180 seconds
b)
240 seconds
c)
300 seconds
d)
90 seconds
2.
How many minutes in 5 hours?
a)
300 minutes
b)
250 minutes
c)
240 minutes
d)
360 minutes
3.
Hour many hours in 600 minutes?
a)
6 hours
b)
10 hours
c)
9 hours
d)
20 hours
4.
How many minutes in 2 hours and 15 minutes?
a)
124 minutes
b)
139 minutes
c)
153 minutes
d)
135 minutes
5.
How many hours in 3 days? 
a)
36
b)
96
c)
72
d)
74
6.
How many days and hours in 99 hours?
a)
4 days 0 hours
b)
4 days 10 hours
c)
4 days 3 hours
d)
4 hours 13 hours
7.
How many hours in 3 days 23 hours?
a)
72
b)
95
c)
70
d)
69
8.
Kenny goes to basketball and tennis practice on Tuesday night. Basketball practice is 50 minutes long followed by tennis…

Kenny goes to basketball and tennis practice on Tuesday night. Basketball practice is 50 minutes long followed by tennis practice that is 35 minutes long. How many seconds of practice does Kenny have on Tuesday nights?

a)

85

b)

5100

c)

2040

d)

4500

9.
Betty practices playing her trumpet and singing for choir every night. She spends 20 minutes on her trumpet and 15 minutes…

Betty practices playing her trumpet and singing for choir every night. She spends 20 minutes on her trumpet and 15 minutes singing. How many seconds of practice does Betty do each night?

a)

1800

b)

2100

c)

840

d)

2000

10.
3 Minutes=............Seconds

3 Minutes=............Seconds

a)

120

b)

600

c)

100

d)

180

11.
7 Hours= Minutes

7 Hours= Minutes

a)

400

b)

420

c)

630

d)

300

12.
10 minutes 30 seconds = ______________ seconds

10 minutes 30 seconds = ______________ seconds

a)

630

b)

600

c)

6,000

d)

1,030

13.
3 hours 15 minutes = ________ minutes

3 hours 15 minutes = ________ minutes

a)

100

b)

185

c)

180

d)

195

14.
6 hours is the same amount of time as ________________ minutes

6 hours is the same amount of time as ________________ minutes

a)

36

b)

3,600

c)

360

d)

36,000

15.
5 minutes and 32 seconds = ______________ seconds

5 minutes and 32 seconds = ______________ seconds

a)

332

b)

37

c)

337

d)

300

WaygroundAnswer Key

Convert Units of Time

Total questions: 15

1.
b) 240 seconds
2.
a) 300 minutes
3.
b) 10 hours
4.
d) 135 minutes
5.
c) 72
6.
c) 4 days 3 hours
7.
b) 95
8.
b)

5100

9.
b)

2100

10.
d)

180

11.
b)

420

12.
a)

630

13.
d)

195

14.
c)

360

15.
a)

332

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FAQs

What does the Convert Units of Time worksheet cover?

This Grade 4 worksheet contains 15 multiple-choice questions on converting seconds, minutes, hours, and days. Students answer basic conversions, rewrite mixed amounts such as hours and minutes in a single unit, and combine practice durations before converting the total to seconds.

How can I use this worksheet to teach converting units of time?

Introduce the unit relationships before students begin, then model one item in each format: a direct conversion, a mixed-unit conversion, and a word problem that combines durations before changing the result to seconds. Have students explain why they multiply or divide for each item, then use the remaining multiple-choice questions for guided practice and independent application.

What mistakes should I watch for when students complete this time-conversion worksheet?

Watch for students reversing the operation when converting between units, such as dividing when changing minutes to seconds or hours to minutes. Students may also convert only part of a mixed amount, misread days-and-hours questions, or add the two practice durations without converting the combined minutes to seconds in the word problems.

How do I assign and grade the Convert Units of Time worksheet?

The worksheet is available as a printable PDF and as a digital quiz on Wayground, and it includes a complete answer key for checking all 15 multiple-choice items. For printable submissions, you can scan student work with the Wayground for Teachers app to support efficient grading.

How can I differentiate this time-conversion worksheet for my students?

In the worksheet’s Advanced Settings, adjust font spacing or choose a larger font size so the conversion choices and mixed-unit questions are easier to read. You can also apply a dyslexia-friendly font or translate the worksheet into another language while keeping the time-conversion practice intact.

Where can I find more worksheets like this on Wayground?

Wayground offers a comprehensive collection of free printable worksheets and practice problems across all subjects, with downloadable PDFs and answer keys to help students master essential skills and concepts. Browse more resources at https://wayground.com/en-us/worksheets.

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