LESSON 72 MATH

1. Lesson 73
Converting Time Measure
involving Days,
Weeks, Months and Years
BY SIR. REI MARASIGAN

2. Drill
Complete the missing equivalent time
measure.
1)3 minutes= _____ seconds
2)3 days= _____ hours
3)2 hours= _____ minutes
4)48 hours= _____ days
5)360 seconds = _____ minutes

3. Review
Change the given time to its equivalent unit.
1)8 days=_____ hours
2)120 hours=_____ days
3)1 260 minutes =_____ hours
4)1 860 seconds =_____ minutes
5)21 minutes=_____ seconds

4. Motivation
Sing a song that they know about
months in a year.

5. Developmental Activities
Presenting the Lesson
This is a Calendar from January to
December.
 Name the months of the year.
 How many months do we have in a
year?

6.  Count he number of days in each month.
 Complete the table as shown below.
MONTH NUMBER OF DAYS
JANUARY
FEBRUARY
MARCH
APRIL
MAY
JUNE
JULY
AUGUST
SEPTEMBER
OCTOBER
NOVEMBER
DECEMBER

7. 30 is the average number of days of the
month.
 About how many days are there in
one month?
(30 days = 1 month)
 What is the total number of days
from January to December?
 How many days are there in 1 year?

8. Every fourth year is a leap year. A leap year has 366
days.
Look at the days in a week.
 How many days are there in a week?
(7 days =1week)
 If there are 7 days in one week, about how many weeks
are there in one month?
(4 weeks)
 How many weeks are there in one year?
(52 weeks)
 Count the number of weeks using the calendar.