NCERT Class 3 Maths Solutions Chapter 13 Time Goes On
Question 1. Ankur and Shikha are observing the calendars of the years 2022 and 2023. Answer the following questions according to the calendar 2022 and 2023
Calendar 2022:
Calendar 2023:
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1. State with true and false.
1. The number of days in months does not change in both calendars (True/false)
Answer: True
2. The names of the days in weeks change in both calendars (True/false)
Answer: False
3. The total number of Sundays is changed in both calendars. (True/false)
Answer: True
4. The total number of weeks does not change in both calendars. (True/false)
Answer: True
NCERT Class 3 Maths Mela Chapter 13 Time Goes On
2.
1. List all the months in the calendar of 2022 and 2023.
Answer: January. February, March, April, May, June, July, August, September, October November, December
2. List all months that have less than 31 days.
Answer: February, April, June, September, November,
3. Is there any month with 28 days in both calendars?
Answer: February
Class 3 Maths Chapter 13 Time Goes On Explanation
Question 2. Answer the following questions, which are based on age-related problems.
Answer:
1. Meena is three times older than her sister. The difference in their ages is 20 years. Find the age of Meena and her sister.
Answer: Meena’s age is 30 years and her sister’s age is 10 years
2. Sara is four times as old as her cousin and 24 years older than her cousin. Find the age of her cousin.
Answer: 8yr
Question 3. Answer the following questions, which Is based on the birth certificate given below
1. In which month was Rinki born?
Answer: February
2. How old will Rinki be on 05-02-2025?
Answer: 4 yr
3. On which date, Rinki will be 25 years old?
Answer: 05-02-2046
4. On which date is Rinki’s fifth birthday?
Answer: 05-02-2026
Maths Mela Class 3 Chapter 13 Time Goes On
5. On what date was her birth certificate issued?
Answer: 20-02-2021
6. Where was Rinki born?
Answer: Kamla Nursing Home, Khairthal
Question 4. Match the columns.
Answer: 1-B,2-E,3-A,4-F,5-D,6-C
Question 5. Match the 12-hour alarm clock to the correct time shown by it.
Answer: 1 → B, 2 → E, 3 → D, 4 → A, 5 → C
NCERT Class 3 Maths Chapter 13 Time Goes On PDF
Question 6. Fill in the blanks.
1. Sheetal started work at 9 a.m. and finished at 5 p.m. He took the work.
Answer: 8
2. Rihanna started her lunch at 11 a.m. and finished it at 11.15 a.m. She took hours to complete hours to finish lunch.
Answer: 1/4 0r 15 min
Question 7. List all the activities that can be done in the time frame given below. One has been done for you.
Answer:
Question 8. Find the time difference between two clocks. One has been done for you.
Answer:
Class 3 Maths Mela Chapter 13 Time Goes On Solutions
