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Solve Grade 3 Mathematics on pages 20 and 21 of the innovative Horizon of Creativity Volume 2 book.
Solve exercises on pages 20 and 21 of Mathematics Grade 3 Volume 2 textbook, the enlightening Horizon of Creativity:
Month, year
Practical Exercise
1. Solve Exercise 1 Page 20 Mathematics Grade 3
Problem: List the names of the months in a year.
Solution Guide: Recall the months in a year and then list their names.
Answer:
A year has 12 months, they are: month 1, month 2, month 3, month 4, month 5, month 6, month 7, month 8, month 9, month 10, month 11, month 12.
2. Solve Exercise 2 Page 20 Mathematics Grade 3
Problem: Read the number of days for each month in the table below.
Solution Guide: Observe the information in the table and then read the number of days for each month.
Answer:
- Month 1 has thirty-one days.
- Month 2 has twenty-eight or twenty-nine days.
- Month 3 has thirty-one days.
- Month 4 has thirty days.
- Month 5 has thirty-one days.
- Month 6 has thirty days.
- Month 7 has thirty-one days.
- Month 8 has thirty-one days.
- Month 9 has thirty days.
- Month 10 has thirty-one days.
- Month 11 has thirty days.
- Month 12 has thirty-one days.
Practice
1. Solve Exercise 1 Page 21 Mathematics Grade 3
Problem: Look at this year's calendar and answer the questions.
a) What day is it today, and what is the date and month?
b) Which month is next, and how many days does it have?
c) What is President Ho Chi Minh's birthday, and on which day of the week is it this year?
Solution Guide: Examine the calendar and respond to the questions in the problem.
Answer:
Students can refer to the example below:
a) Today is Wednesday, March 16, 2022.
b) Next month is May, with 31 days.
c) President Ho Chi Minh's birthday is on May 19. His birthday this year falls on Thursday.
2. Solve Exercise 2 Page 21 Mathematics Grade 3
Problem: Examine three calendars for the year 2024 and answer the questions.
a) What day is January 1?
b) What day is February 3, and how many days does February have?
c) What day is March 8?
Solution Guide: Observe the 2024 calendars to answer the questions.
Results:
a) January 1 is Monday.
b) February 3 is Saturday. February has 29 days.
c) March 8 is Friday.
- See also: Solve exercises on pages 22 and 23 of Mathematics Grade 3 Volume 2, the innovative Horizon of Creativity
3. Solve Exercise 3 Page 21 Mathematics Grade 3
Problem: Which statement is correct, and which is incorrect?
a) If today is Friday, then 7 days later is also Friday.
b) June 31 is the birthday of a classmate.
c) 1 year = 12 months, 1 month = 30 days.
d) The months with 31 days are: January, March, May, July, August, October, and December.
Solution Approach: Recall knowledge about months and years, then identify true and false statements.
Results:
a) True.
b) False (because June has only 30 days).
c) False (because in a year, there are months with 30 days, 31 days, and a month with 28 or 29 days).
d) True.
Solving exercises on pages 20 and 21 of Mathematics Grade 3 Volume 2, the innovative Horizon of Creativity, must be very helpful. Students can explore more math-solving resources to study Mathematics well and reinforce knowledge effectively.
