- 1. MathematicsLearners MaterialUnit 4Department of
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2. iiMathematics Grade 3Learners MaterialFirst Edition,
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[email protected] 3. Table of ContentsLesson 72 Converting Time
Measure involvingSeconds, Minutes, Hours, and Daysiii1Lesson 73
Converting Time Measure involvingDays, Weeks, Months, and
Years6Lesson 74 Problems involving Conversion of TimeMeasure9Lesson
75 Converting Common Units of LinearMeasure13Lesson 76 Converting
Common Units of MassMeasure17Lesson 77 Converting Common Units
ofCapacity Measure21Lesson 78 Routine and Non-Routine
Problemsinvolving Conversions of CommonUnits of Measure25Lesson 79
Measuring Area using AppropriateUnits31Lesson 80 Area of a
Rectangle and a Square 34Lesson 81 Routine and Non-Routine
Problemsinvolving Area of a Square and aRectangle40Lesson 82
Capacity of a Container using Milliliteror Liter46Lesson 83 Routine
and Non-routine Problemsinvolving Capacity Measure52Lesson 84
Collecting Data on One Variable 58Lesson 85 Organizing and
Presenting Data inTables and Bar Graphs62Lesson 86 Interpreting
Data in a Bar Graph 66Lesson 87 Likelihood of an Event 74 4.
Converting Time Measure involvingSeconds, Minutes, Hours, and
Days1Lesson 72Heres a clock.What time does it tell us?How many
hands does a clock have?What is equal to one complete round of the
minute hand?Activity 1A. Convert the following:1) 600 seconds =
_____ minutes2) 5 minutes = ______ seconds3) 360 minutes = ______
hours4) 1,200 seconds = _____ minutes5) 5 hours = _____ minutes6) 2
hours = _____ seconds 5. 2B. Convert the following:1) 9 minutes =
_____ seconds2) 240 seconds = _____ minutes3) 7 days = _____
hours4) 96 hours = _____ days5) 4 days = _____ hours6) 48 hours =
_____ daysActivity 2A. Convert the given measurement to the
indicated unit oftime.1) 840 seconds = _____ minutes2) 960 minutes
= _____ hours3) 19 minutes = _____ seconds4) 5 hours = _____
minutes5) 1 260 minutes = _____ hoursB. Answer the following.1) How
many seconds are there in 18 minutes?2) How many minutes are there
in 720 seconds?3) How many days are there in 72 hours?4) How many
hours are there in 5 days?5) How many hours are there in 12 days?
6. C. Answer the following problems.1) Your classmate walked to
school for 900 seconds. Howmany minutes did it take your classmate
to reach theschool?2) During the program, Sandra sang the school
hymn in 3minutes. How many seconds did it take her to sing
theschool hymn?3Activity 3Answer the following.1) On Saturdays,
Aaron and Jimmy work at a video store inthe mall. Aaron reports to
work at 10:00 a.m. Jimmy reportsto work at 2:30 p.m.a. Who reports
to work at a later time?b. What is the difference between their
time in hours?c. in minutes?2) Ana works for 40 hours a week. If
she works for 5 days in aweek, how many hours a day does she work?
7. Activity 4A. Convert to the indicated unit.1) 9 hours = ____
minutes2) 3 days = ____ hours3) 780 seconds = ____ minutes4) 540
minutes = ____ hours5) 264 hours = ____ days6) 7 days = ____
hours7) 336 hours = ____ days8) 960 minutes = ____ hours9) 1 080
seconds = ____ minutes10) 288 hours = ____ daysB. Find the
equivalent time measures from the ones inside thebox.960 hours 1560
seconds 2 days2100 seconds 480 seconds 240 minutes41) 8 minutes2)
48 hours3) 40 days4) 35 minutes5) 4 hours 8. Convert to the
indicated unit.1) 420 seconds = _____ minutes2) 660 minutes = _____
hours3) 1200 seconds = _____ minutes4) 60 minutes = _____ seconds5)
240 hours = _____ days6) 11 minutes = _____ seconds7) 420 seconds =
_____ minutes8) 17 days = _____ hours9) 216 hours = _____ days10)
480 minutes = _____ hours5Activity 5 9. Converting Time Measure
involving Days,Weeks, Months, and Years6Lesson 73Heres a
calendar.What month is it?How many days are there?Activity 1Convert
to the indicated units. Show your solution on your paper.1) 6 weeks
= ____ days2) 42 days = ____ weeks3) 600 days = ____ months4) 6
months = ____ days5) 3 years (with no leap year) = _____ days6)
4015 days = _____ years7) 4 weeks and 48 hours = ____ days8) 27
days and 24 hours = ____ weeks9) 3 months and 2 weeks = ____
days10) 5 years, 2 months and 3 weeks (with 2 leap years)= _____
days 10. Activity 2Answer the following. Show your solution in your
notebook.1. The Santos family went on a vacation for 42 days. How
manyweeks were they on a holiday?2. Carlo has been staying in Cebu
for 120 days. How manymonths has Carlo been staying in Cebu?3.
Ninas father is 45 years old. About, how many days has helived?4.
John read a book for 1 week, 2 days and 5 hours. How manyhours did
he read the book?5. Mang Lino and his friend painted the house for
268 hours.How many weeks, days, and hours did they work?7Activity
3Convert to the indicated units.1) 8 weeks = _____ days2) 3 months
= _____ days3) 180 days = _____ months4) 244 days = _____ weeks and
_____ days5) 2 months and 20 weeks = _____ days 11. Activity
4Convert to the indicated units. Write your answer on youranswer
sheets.1) 28 days = _____ weeks2) 330 days = _____ months3) 8 weeks
= _____ days4) 14 months = _____ days5) 49 days = _____ weeks6) 4
years = _____ days7) 365 days = _____ year8) 6 months = _____
days9) 5 years and 7 months (with 2 leap years)8= _____ days10) 4
weeks and 90 days = _____ months 12. Last Saturday, Nina helped her
mother wash their clothes.They started washing at 7:30 A.M. and
finished at 10:30 A.M.How many hours did they wash the clothes? How
manyminutes?9Lesson 74Problems involving Conversion of TimeMeasure
13. Activity 1A. Solve the problems and show your solutions in
youranswer sheet.1. Mr. Guevara wrote his lesson plan for 120
minutes.How many hours did he write his lesson plan?2. Malou joined
a track and field contest last Friday.She finished in 360 seconds.
How many minutes did ittake her to run the race?3. Mr. Cruz worked
abroad for 3 years. How manymonths did he work abroad? How many
weeks?How many days?4. Roy practiced swimming for two hours
everyday for20 days. How many days and hours did he
practiceswimming?10Activity 2Read, analyze and solve.1. Merian
walks to school for 10 minutes. How long doesshe walk in seconds?2.
The De Jesus family stayed in their province for 5 weeks.How many
months and weeks did they stay there?3. Nathan ran a 10-kilometer
marathon in 5 hours. Howmany minutes did he run? 14. 4. Jonathan
has been painting for 4 years and 3 months.About how many weeks has
he been painting? Howmany days?5. Ayieh started to study her lesson
at 7:45 P.M. andfinished it at 8:50 P.M. About how many hours did
shestudy her lessons? How many minutes?11Activity 3Solve the
following problems.1) John is 9 years old. How old is he in months?
in weeks?2) The ship has been travelling for 60 hours. How many
dayshas it been travelling?3) Tita Yoly and her children watch
local news on television.They watch from 6:30 P.M. to 7:45 P.M. For
how manyhours do they watch TV? How many minutes?4) A program
lasted for 1 hour and 30 minutes. How long isthe program in
seconds? 15. Activity 4Read carefully and solve the following
problems.1) Marvi and Leo have to wait 3 more months beforevacation
time. About how many more weeks do theyhave to wait?2) Vic sleeps
for 7 hours while Vince sleeps for 9 hours. Whosleeps more and by
how many minutes?3) The ship travelled around the world in eighty
days. Abouthow many weeks did it travel?4) Malou baked a cake for
30 minutes while Lena did it for40 minutes. How many minutes more
did Lena spend inbaking than Malou? How many seconds?12Activity
5Solve the following problems.1) Trisha cleaned her room in 20
minutes. How long didshe clean her room in seconds?2) There are
five more weeks before the start of theschool year. How many days
should Elmer wait forschool opening?3) Julie has been living in her
grandparents place for 7years now. How many months has she been
living inher grandparents place? About how many weeks? 16. Mark and
Rizza measured the length of the teachers table.Mark found it to be
1 meter long, while Rizza claimed that it is100 cm long. Whose
measurement is correct? Why?13Lesson 75Converting Common Units of
LinearMeasure 17. Activity 1Convert the following to the indicated
unit of measure.1) 5 meters = _________ centimeters2) 300
centimeters = ________ meters3) of a meter = _________
centimeters4) of a meter = ________ centimetersActivity 2A. Write
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