LET’S TRY ONE
An activity starts at 2:45 and lasts 30 minutes. When does it end?
3:15
Fifteen minutes reaches 3:00; fifteen more reaches 3:15.
Learning steps & teaching tips
Add intervals made of fifteen-minute steps to a clock time.
- Crossing 60 minutes moves the hour forward by one.
- Work through the example. Explain how its evidence supports the answer.
- Try a new question; use the explanation to check your thinking.
Try it together
Write or draw your own example with different numbers. Solve it, then ask a partner to check the method as well as the answer.
Crossing 60 minutes moves the hour forward by one.