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ACARA AC9M4M02, Units of time

Year 4 ยท Measurement

Use the relationship between days, hours, minutes and seconds to estimate and compare how long events last.

Below are free printable maths worksheets that support AC9M4M02. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.

Teaching guide

What students learn

Use the relationship between days, hours, minutes and seconds to estimate and compare how long events last.

How to teach it

Count on from the start time to the next hour, then add the remaining minutes, using a number line of times. Bridge over the hour carefully.

Worked example
An activity starts at 6:45 and lasts 2h 0m. What time does it end?
Answer: 8:45

Generated and checked in code, so it is correct.

Watch out for

Subtracting times like plain numbers (treating 60 minutes as 100) and losing track when crossing the hour.

Make a worksheet for AC9M4M02
More Year 4 Measurement codes: AC9M4M01 ยท AC9M4M03 ยท AC9M4M04
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Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.