Quick answer for teachers
A good AC9M2M03 assessment should test whether students can identify dates, use the 7-day structure of a calendar and count the jumps between two events without double-counting the start date. The task below checks all three skills and includes an explanation item so teachers can see the strategy, not just the final number.
Curriculum reference: Australian Curriculum v9.0, AC9M2M03. Last reviewed 4 September 2026.
Assessment task
Give students a one-month calendar containing four marked events such as an excursion, sports day, library visit and class celebration.
- Write the date of each event.
- Find the event that occurs first and the event that occurs last.
- Determine how many days pass between two nominated events.
- Find the date exactly 2 weeks after one event.
- Explain how you counted the days between two dates.
What to look for
- distinguishes a weekday from a calendar date;
- counts the jumps between dates rather than counting both endpoints;
- uses 7-day week structure correctly;
- continues counting across a week or month boundary;
- explains the method clearly.
Simple marking guide
Secure: dates and elapsed-day calculations are accurate and the student explains a reliable strategy. Developing: dates are located correctly but elapsed-day counting has one-off errors. Beginning: the student needs support to locate dates or interpret the calendar structure.
Why this matches AC9M2M03
The task directly assesses identifying dates and determining the number of days between events using a calendar. Including a two-week item also checks whether students can use calendar structure rather than rely only on one-by-one counting.