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1. Exploring the Numbers by Number Senses
and Numeration
 The Vision and Mission of  Numbers in Expanded Form
the University  Reading and Writing
 The Goal and Objectives of Numbers
College of Education  Ordinal Numbers
 Forewords  Comparing Numbers
 Acknowledgement  Ordering Numbers
 Preface  Rounding Off Numbers
 General objectives  Roman numerals
 Number 1 to 1000  References
 Place Value of Four-Digits  Author
numbers

2. The Vision and Mission of the University
The Vision of the University The Mission of the
University
A premier university in The University shall
CALABARZON, offering primarily provide advanced
academic programs and related education, professional, technologi
services designed to respond to cal and vocational instruction in
agriculture, fisheries, forestry, scie
the requirements of the nce, engineering, industrial
Philippines and the global technologies, teacher
economy, particularly, Asian education, medicine, law, arts and
countries. sciences, information technology
and other related fields. It shall
also undertake research and
extension services, and provide a
progressive leadership in its areas
of specialization.
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3. The Goal and Objectives of the Education
The Goal of College of Education
In pursuit of College Mission, the institute of Education is committed to develop the
full potentials of the individuals and equipped them with the necessary knowledge, skills and
attitudes in the teachers’ education and the hospitality industry programs and allied fields to
effectively respond to the increased demands, challenges, and opportunities of changing times
for global competitiveness
The Objectives of College of Education
 In view of the above, the University shall strive to implement programs and projects that shall:
 Transmit and disseminate knowledge and skills relevant to emerging manpower needs;
 Discover and disseminate new knowledge/technology needed by a developing community;
 Establish model livelihood projects that will radiate through its service area;
 Enhance, preserve, and disseminate national culture and sports;
 Provide the disadvantaged members of society with equal opportunities for advancement;
 Produce progressive leaders, professionals, skilled, and semi-skilled manpower for national
development; and
 Stress the development of a well rounded personality and a strong moral character and the
cultivation of virtues.
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4. This Teacher’s Guide Workbook entitled
“Exploring the Numbers by Number Senses and
Numeration For Grade IV” is part of the requirements
in Educational Technology 2 under the revised education
curriculum based on CHED Memorandum Order
(CMO)-30, Series of 2004. Educational Technology 2 is
a three (3)-unit course designed to introduce both
traditional and innovative technologies to facilitate and
foster meaningful and effective learning where students
are expected to demonstrate a sound understanding of
the nature, application and production of the various
types of educational technologies.
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5. The output of the group’s effort may serve as an
educational research of the institution in providing
effective and quality education. The lessons and
evaluations presented in this module may also function as
a supplementary reference for secondary teachers and
students.
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6. In everything that people do, there are person/s
who always behind and beside them. They are open-arms and
fully-hearted to help and assist without any expecting anything
rewards or exchange. That is the reason why the author grabs
this opportunity to pay gratitude and be grateful to the
following people to make this workbook successfully.
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7. First and above all, the author wishes to express
her biggest THANKS to the ALMIGHTY GOD, the
constant provider and plentiful source of wisdom, for all
the blessings, healthy body and mind, loving family and
good friends, and for the strength to go on whenever
challenge seem to weaken the author.
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8. To the Dean of Bachelor of Elementary of
Education: Dean Lydia R. Chavez
To Mr. For-Ian Sandoval at LSPU- Siniloan
Campus for his generous assistance.
To my workbook consultant, Mrs. Lolita L. Beato
for suggesting some information to make this workbook
be successful.
To Ms. Adelina O. Monteiro for guiding us in
making this workbook.
To Mr. Floreson Flores for teaching me when I
don’t know what will I do.
To Mr. Mark Dexter Reyes that does not tired for
bringing our draft to meet our deadline. Next Slide

9. Profound gratitude is also given to very supportive
relatives namely: Nanay Flor, Nanay Lina, Nanay Fe,
Mommy Alice, Tito Glor for their tireless support and
inspiring encouragement.
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10. Special thanks are also given to my “FLIRTY
BARKADAS” namely Mamy Love, Lea, Jobel, for their
help, for being my “barkadas in crime”, for all their
“kakulitan”, and for their shoulder to cry on every time I
am so pressured in making this workbook.
And lastly, to the author family: the Placente-
Royo family: Mr. Marcelino, Mrs. Yolanda, Harold,
Harvey and Henry for financial and moral support, for
their undying love, patience and understanding, and for
always being there whenever the author need them.
Thanks for always being there… Next Slide

11. ` This workbook in mathematics entitled
“Exploring the Numbers by Number Senses and
Numeration” will help the young learners to develop
their skills and knowledge that they need to know
about the numbers. It is designed to develop the
understanding of mathematical skills which are related
to daily activities at home and in school.
Mathematical concepts and skills are presented
and developed through interesting lessons and
exciting activities. The lessons are presented in a clear
and systematic manner that involves the higher
cognitive levels.
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12. This workbook has the following features. Lesson
Introduction that presents a discussion of the lesson. Look
Back which gives the important rules and concepts
discussed in each lesson. Activities that contains
challenging activities that motivates the interest and
enhance the learner’s ability.
It is hoped that this workbook will help the
learners to develop and improve their skills and
understanding in mathematics.
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13. Read and write numbers through thousands.
Give the place value and value of each digit of
up to four-digit number.
Write numbers through thousands in expand
form.
Identify and use ordinal numbers through 30th.
Compare and order numbers up to thousand.
Round off numbers up to the nearest thousand.
Skip count by 2s, 3s, 4s, 5s, and 10s.
Read and write Roman numerals up to L
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14. Numbers 1 to 1 000
Associate numbers with 10 ones are equal to 1
sets having up to 1 000 ten.
objects. 10 tens are equal to 1
hundred.
Count from 1 to 1 000 10 hundreds are equal to
1 thousand.
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15. Place Value of Four- Digit Numbers
Every digit in a given
number has its own place
value.
Identify the place value of Starting from the right,
each digit of two-to four- the place values of four-
digit numbers. digit number are the ones,
tens, hundreds, and
thousands.
Give the value of each
The value of a digit
digit of two-to four-digit
depends on its place or
numbers.
position in a given
number.
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16. Numbers in Expanded Form
Express two-to four-digit Another way of writing a
numbers in expanded Hindu- Arabic number is
form. using expanded form,
wherein the value of the
Write the standard form of digits are combined from
a number expressed in left to right.
expanded form.
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17. Reading and Writing Numbers
To write numbers in words:
Give the value of each
Read two-to four- digit digit starting from the
numbers in symbols and in leftmost digit.
words.
Separate the thousand
from the hundred with a
Write two-to four- digit comma.
numbers in symbols and in Number words, such as
words. twenty-one, thirty-
nine, forty-six, and so on
are written with hyphen.
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18. Ordinal Numbers
An ordinal number is
Read and write ordinal used to tell the place or
numbers through 30th in position of a person or a
symbols and in words. person or an object in a
set.
Give the positions of To write an ordinal
objects in a set using number in symbols, write
ordinal numbers. the numeral then append
the last two letters of the
ordinal.
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19. Comparing Numbers
Begin comparing the
digits in the highest place
Compare two numbers value.
with up to four digits.
Use these symbols to
compare numbers.
Use the symbols >, <, and > means “greater
= in comparing numbers.
than”
< means “less than”
= means “equal to”
or “equals”
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20. Ordering Numbers
Arrange the set of two-to To arrange a set of
four- digit numbers in numbers in ascending or
ascending or descending descending order, compare
order. the digits found in the
same place value starting
Tell the number that from the highest place
comes before, between, or value. The higher the digit,
after a given number or the greater the number.
numbers.
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21. Rounding Off Numbers
Rounding off a number to
the nearest ten, hundred,
or thousand means
choosing a multiple of 10,
100, or
Round off numbers to the
1 000 that is closest to
nearest ten, hundred, or
the given number. If the
thousand.
given number is exactly
halfway between two
multiples of 10, 100,
1 000, round off the
number to the greater
multiple.
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22. Roman Numerals
Numerals V and L are
never repeated.
Numerals I and X may be
repeated at most three
Read and write Roman times.
numeral up to L (50). When a symbol with a
lesser value comes before
Change Roman Numerals a symbol with a greater
to Hindu-Arabic value, subtract their
numerals, and vice-versa. values.
When a symbol with a
greater value comes before
a symbol with a lesser
value, add their values.
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23. BOOKS
Tiu, Aileen, et al... Realistic Math 2. SIBS Publishing
House, Inc., 2001
Abracia, Norma, et al… Mathematics For A
Challenging World 3. VIBAL Publishing
House, Inc., 2001
Infante- Olivare, Norma, et al… Math and Me 1.
BOOKMAN Inc., 2003
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24. Author
 Honeylay P. Royo is a
daughter of Marcelino T.
Royo and Yolanda P. Royo.
She was finished her
elementary in Crisanto
Guysayco Memorial
Elementary School
(CGMES). And finished her
High School in Talangan
National High School
(TNHS). At present she is
taking up Bachelor of
Elementary Education in
Laguna State Polytechnic