Mathematics · Class 3
Time Goes On
Learn Time Goes On with notes, examples, and practice questions.
3 sections15–25 min read3 MCQs · 1 examples
Chapter Overview
The minute hand takes 5 minutes to move from one number to the next.
Time Goes On develops clock and calendar skills. Learners read hours and minutes, use quarter past, half past, and quarter to, calculate simple durations, and organise dates using calendars.
Reading an Analogue Clock
- The short hand shows the hour and the long hand shows minutes.
- A quarter past is 15 minutes after the hour.
- Half past is 30 minutes after; quarter to is 15 minutes before the next hour.
Duration and Calendars
- Duration is how long an event lasts.
- Count forward from the start time to find an end time.
- A calendar organises days into weeks and months.
Solved Examples
Step-by-step solutions — read each step before checking the final answer.
Find an End Time
A class begins at 9:20 a.m. and lasts 40 minutes. When does it end?
- 1Add 10 minutes to reach 9:30.
- 2Add the remaining 30 minutes.
- 39:30 plus 30 minutes is 10:00.
Answer
10:00 a.m.
Key Points to Remember
- ✓ One hour has 60 minutes
- ✓ Clock numbers represent groups of 5 minutes
- ✓ Duration equals time from start to finish
Exam Tips
- • Check a.m. or p.m.
- • Count elapsed time in easy jumps
Practice MCQs — Time Goes On
Test your understanding with topic-wise multiple choice questions. Explanations appear after each answer.
Question 1 of 3Score: 0/0
How many minutes are in half an hour?