Level of Performance of Second Year Students in Complex Numbers

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    CHAPTER I

    INTRODUCTION

    Background of the Study

    One of the most main goals of education is to prepare the

    students to be a globally competitive individual for the

    challenges of the future. Wherein, a high level of performance in

    Mathematics is required. Since, it is used throughout the world

    as an essential partner/tool in many different fields, including

    medicine, engineering, natural science, economics and etc. It

    also has the largest scope among all the subject areas especially

    if the student encountered problem solving activities in the

    subjects.

    Apparently, most of the students hate Mathematics because it

    requires logical reasoning and deductive thinking from the basic

    to the complex concepts of Mathematics. They tend to ignore

    Mathematics, thus, hinder themselves in many future career

    opportunities. Since Mathematics help us to develop skills needed

    for the success of our career.

    On the other hand, the competence in learning, how to learn

    throughout ones life in this changing world entails the

    experience and the total training of an individual. It is the

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    vehicle for developing students logical thinking and higher-

    order cognitive skills. It is our way to our dream since it will

    make us smarter and have a great advantaged to those who hate

    Math. Students should really continue enhancing their Mathematics

    skills.

    Learning Mathematics is fun and exciting. Instead of mere

    memorization of formulas and procedures and general facts,

    different learning activities and exercise should be done to help

    students continuous selfimprovement and learning.

    The researcher believes that the result of this study would

    serve an aid to know the level of performance encountered by the

    students in solving complex numbers. Nevertheless, in knowing the

    performance level of the students, it is possible to conclude

    their difficulties encountered by the students. It also motivates

    them that the problem solving involving complex numbers is easy

    to understand.

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    Statement of the Problem

    This study aimed to determine the Level of Performance in

    Complex Numbers of the Selected Dormers of MinSCAT Main.

    Specifically, this sought to answer the following questions:

    1.What is the level of performance in solving complex numbers

    of the selected dormers of MinSCAT Main in terms of:

    1.1 Addition

    1.2 Subtraction

    1.3 Multiplication

    1.4 Division

    2.

    Is there a significant difference on the level of

    performance in solving complex numbers of the selected

    dormers of MinSCAT Main in terms of addition, subtraction,

    multiplication and division?

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    Statement of Hypothesis

    1.

    There is no significant difference on the level of

    performance of the selected dormers of MinSCAT Main in terms

    of addition, subtraction, multiplication and division.

    Significance of the Study

    The findings of this study bear significance to the

    following persons as they would be benefited by the results,

    administrators, teachers, students and future researchers.

    The results of this study will serve as a guide of the

    administrators in upgrading the quality of instruction.

    Similarly, this will help teachers to easily determine the

    performance of their students in different operations of complex

    numbers.

    It will also serve for the students as an aid to know their

    level of performance in complex numbers. This will serve as their

    guide to what extent they will excel to the topic and a basis for

    their improvement throughout the learning process.

    Lastly, this will serve as the reference of the future

    researcher in pursuing the same field of the study and in seeking

    for related information/studies needed on their research.

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    Scope and Limitation

    This study was focused on the level of performance of the in

    solving complex numbers in terms of addition, subtraction,

    multiplication and division. The respondents of this study are

    only second year college dormers of MinSCAT Main, 2015 2016 .

    The indicator of the students abilities would be their scores

    obtained in the given questionnaires.

    Specifically, this study is only limited on answering

    specific questions presented in the statement of the problem.

    The study was conducted in MinSCAT Main, Alcate, Victoria

    last June October, 2015.

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    Definition of Terms

    The following terms was operationally defined for further

    understanding of the study.

    Addition is the process of combining two or more

    numbers to form one number.

    2 Complex Number is the topic used by the researcher. It

    refers to the sum of a real number and an imaginary

    number.

    3 Competency Level it was the researcher wants to

    measure. This is ability of the commuters and dormers in

    executing different operations in complex numbers.

    4 Division the reverse operation of multiplication

    5 Imaginary numbers is a multiple of i, where i is the

    square root of -1.

    6 Mathematics is an exact science that deals which deals

    with the study of numbers, figures and other mathematical

    concepts.

    7 Multiplication is adding the number to itself in

    particular number of times

    8 Operation was applied in solving a certain problem.

    9 Subtraction is an operation that undergoes to the

    process of subtracting one number to another number.

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    Theoretical Framework

    Logic which requires no specific thinking is positive

    without any theoretical framework, and research without any

    theory is chaotic and incoherent. A theory without facts becomes

    fantasy, uncontrolled imagination, a reverie. Based on this

    requirement, several theories are presented.

    According to Jerome Bruners Constructivist Theory, as cited

    by Hurst, the purpose of education is not to impart knowledge,

    but instead to facilitate a childs thinking and problem solving

    skills which can then be transferred to a range of situations.

    Specifically, education should also develop symbolic thinking in

    children. Also, curriculum should foster the development of

    problem solving skills through the processes of inquiry and

    discovery. It should be designed so that the mastery of skills

    leads to the mastery of still more powerful ones.

    On the other hand, Bandura noted on his theory the social

    influences on learning and distinguished between learning and

    performance, distinction behaviorists would not make. Learning is

    the acquisition of some symbolic representation that serves to

    guide future behavior. The future behavior may or may not

    actually occur. Bandura believes that in naturalistic settings we

    learn new behaviors through observation of models and the results

    of their own actions. Cognitive processes also play an important

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    role in our learning, a specially our sense of self efficacy.

    According to Bandura, our self-efficacy, our beliefs about our

    ability to perform a specific task, play a major role both in the

    effort that we put forward and resulting learning. (Hannum, 2008)

    Likewise, cognitive and associative learning play an

    important role in the performance of the students in the problem

    solving because these processes involve continuous learning

    process which is necessary to determine the level of skills and

    ability in some areas may greatly affect ones performance for

    the learning cannot be connected from one idea to another.

    Moreover, Bruner believed that the subject matter should be

    represented in terms of the childs way of viewing the world and

    advocated teaching by organizing concepts and learning by

    discovery. He also asserted culture should shape notions through

    which people organize their views of themselves and others and

    the world in which they live. Also, that intuitive and analytical

    thinking should both be encouraged and rewarded.

    Also, Lewins Theory of Learning, as cited by Ceraspe,

    believed that an individual lives in space which is usually his

    environment. He suggested that the development of an individual

    was the product of the interaction between inborn predispositions

    (nature) and life experiences (nurture). The behavior of an

    individual is always geared toward some goal or objective and it

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    is precisely this intention that matters most in the performance

    of behavior. These intentions supposedly follow field principles

    and are influenced by psychological forces such as how the

    individual perceives a situation.

    Vygotsky thought that the social world played a primary role

    in cognitive development. He saw language as a major tool not

    only for communications but also for shaping individual thought.

    He started cognition within a historical and cultural framework

    because he believes that was the only way that cognition could be

    understood. Vygotsky placed an emphasis on social and cultural

    aspects of learning. Certain aspects of Vygotskys work have

    influenced education, especially his concept of the zone of

    proximal development. (Hannum, 2005).

    Calderon (2004) cites that trial and error theory involves

    that trying a series of solution using all available information

    and techniques known until the correct solution to a problem is

    found. Insight, understanding and systematic procedure are used

    in trying to solve a problem especially in Mathematics.

    Furthermore, the Theory of Cognitive Development proposed by

    Jean Piaget focused on how learners interact with their

    environment to develop complex reasoning and knowledge. Students

    in a constructivist classroom learn concepts while exploring

    their application. During this application process, students

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    explore various solutions and learn through discovery. Throughout

    the learning experience, meaning is constructed and reconstructed

    based on the previous experiences of the learner.

    As teachers, there are specific things that they can do to

    help pupils remember what they learn. One of these is to make

    sure that the pupils see the relationship between the information

    they learned and reduce memorization to a minimum.

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    Conceptual Model

    On the basis of the forgoing theoretical framework, the

    Conceptual Framework is shown in Figure 1.

    Figure 1. Hypothesized difference among the variables of the

    study.

    Figure 1 shows the hypothesized difference on the level of

    performance in complex numbers of the selected dormers of MinSCAT

    Main.

    Specifically, as shown above, the major variable of the

    study is the level of performance of the selected dormers in

    complex numbers. These are measured in terms of addition,

    subtraction, multiplication and division of the complex numbers.

    This study tried to determine the significant difference in

    solving complex numbers as performed by the respondents. This was

    indicated by the double-headed arrow.

    Level of Performance in Complex Numbers

    of the selected dormers of MinSCAT Main in terms of:

    Addition,

    Subtraction,

    Multiplication, and

    Division

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    CHAPTER II

    REVIEW OF RELATED LITERATURE

    In this portion of the study, literature and studies found

    in books, articles and magazines and even in the internet about

    the students level of performance are presented and reviewed.

    The purpose is to show that the content and subject matter in

    this study are supported by the authorities.

    Related Literature

    Dicdican (2007) stressed that pupils performance lies on

    the expertise of the teacher, his effectiveness to attain the

    objectives of the lesson, willingness to provide varied learning

    activities for interactive or cooperative learning and initiative

    to ask questions that develop critical thinking skills.

    While, according to Zanzali (2006), the levels of content

    mastery and the skills necessary to carry out certain standard

    algorithms are satisfactory. The mastery of problem solving

    skills, however, among the students is still at low. Efforts to

    upgrade and thus help students to mastery the problem solving

    skills should be planned and implemented. It is hoped that the

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    data generated by this research can contribute towards the

    upgrading of teaching and learning mathematics in Malaysia.

    Also, according to him, there is a general agreement among

    mathematics educators that students need to acquire problem

    solving skill, learn to communicate using mathematical knowledge

    and skills, and develop mathematical thinking and reasoning, to

    see the interconnectedness between mathematics and other

    disciplines. Based on this perspective, this research looked into

    the levels of problem solving ability amongst selected Malaysian

    secondary school students. Research findings also showed that

    students have fairly good command of basic knowledge and skills,

    but did not show the use of problem solving strategies as

    expected. Generally, these students have a low command on problem

    solving skills. Most of the students were unable to use correct

    and suitable mathematical symbols and vocabulary in providing

    reasons and explanations for certain problem-solving procedures.

    It is hope that these findings will serve as a reference for

    educators in improving the learning and teaching of mathematics

    in general and problem solving instruction in particular.

    Likewise, Jakimovik in 2010, problem-solving competencies of

    the majority of students are of very low levels. Each year more

    than half of students didnt even attempt to solve the problems,

    and only a small percent of those who tried did it correctly. the

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    diagnostic testing on these two context problems show serious

    lack of understanding of these types of problems and very low

    levels of strategic competence of the majority of the first year

    students, prospective elementary school teachers. Approximately

    93 %, 91 %, 94 % and 98 %, each year respectively, earned 0

    points on the first problem, and 88 %, 89 %, 94% and 91%, each

    year respectively, earned 0 points on the second problem. The

    reasons behind the high percent of students who earned 0 points

    on each problem are indeed complex and require a substantial in

    depth investigation. A list of some of the possible related

    factors, a set of goals of mathematics education for elementary

    school teachers and the necessary changes in planning and

    practicing mathematics instruction at teacher training

    departments.

    On the other hand, Fisico (2005) suggested that pupils

    should be given more opportunities to expose and engage

    extensively in mathematical and logical problem solving

    situations. Schools may indulge in mathematics competitions. Such

    competitions help students make sound and logical conclusions

    promote discipline as students to solve as many problems as

    possible in the process. Today, mathematics competitions are

    being held and intensified in the elementary, secondary and

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    tertiary levels to motivate and arouse students interest,

    prestige and achievement in mathematics.

    Furthermore, Knuth et. al. (2005) stated that a multiple

    values response to the literal symbol interpretation task was

    associated with success which is larger task that a relational

    view of the equal sign was associated with success on the

    equivalent equations talk. Additionally, the likelihood that the

    student would use the recognize equivalence strategy in eight

    grade was greater than the acquired relational understanding of

    the equal sign in the sixth and seventh grade, suggesting it

    matters when students acquire a relational understanding of the

    equal sign. That teachers failed to see these connections is not

    necessarily surprising, given these tasks are not ones typically

    posed to students.

    Related Studies

    Berguera (2009) in her study entitled Level of Performance

    in Solving number and Word Problems in Algebra of Second Year

    Students in Selected National High Schools in Naujan South and

    East District found out that student respondents from Naujan

    South have better performance than student respondents from

    Naujan East in solving number problems while they have shown the

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    same level of performance in word problems. She recommended that

    students should be given more exercises in solving both number

    and word problems to enhance their abilities and master some

    techniques in interpreting mathematical problems to further

    improve students problem solving ability.

    Similarly, Castillo (2009) revealed in her study, Level of

    Performance in Problem Solving in Mathematics of Grade Six Pupils

    in Selected Public Intermediate Schools in Bongabong South

    District, S.Y. 2008-2009, that majority of the pupil respondents

    have a good performance in problem solving achievement, however

    there is still a need among the pupils to improve and increase

    mean performance in mathematics. She recommended that the teacher

    should exert more effort in improving the level of performance in

    problem solving of pupils. They should assist pupils in problem

    solving difficulties by introducing varied activities and

    involving them to unusual degree of realism. Teachers should also

    make problem solving interesting, allow pupils to experience

    success and introduce varied problem solving activities. Teachers

    should emphasize reading carefully and analytically in order to

    understand the meanings of the word problems.

    Perez (2010) in her study, Problem Solving Performance in

    Algebra of Second Year Students in Three Selected National High

    School in Naujan found out that the respondents from three

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    schools have varying levels of performance in solving word

    problems such as age problem, work problem, mixture problem,

    investment problem, and uniform motion problem since they have

    different kinds of learning system.

    Likewise, based on the finding on the study Level of

    Performance in Solving Word Problems involving two and three

    dimensions among third year students in Two National High Schools

    of Naujan West Ditrict conducted by Fababaer (2010), revealed

    that student respondents in School A generally have demonstrated

    a very high performance in area of rectangle, high in area of

    square, low in triangle and very low in trapezoid. But they were

    able to identify the given and formula to be used. While on

    School B shown a very high performance in area of rectangle,

    averge in square and very low in triangle and trapezoid.

    Also, it was concluded that in terms of volume of

    rectangular prism and volume of triangular prism, pyramid,

    cylinder and sphere, the both School A and B got a low and very

    low performance respectively.

    Furthermore, in the study conducted by Montana (2011), the

    Level of Performance in Signed Numbers, gender, dialect, family

    income and organizational involvement do not affect the mastery

    and competency level of the students. Also the educational

    materials have no significant relationship with the students

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    performance level. Though, if these materials were used properly,

    these would be a great help with their studies. The study

    revealed that the performance of students in solving problems

    involving signed numbers is differing to each other.

    Silmilarly, in the study, Gender Disparity in Mathematics

    Performance of Selected Students at Mindoro State College of

    Agriculture and Technology, Arenillo (2008) found out that the

    male and female students have demonstrated varying levels of

    performance in Mathematics across four year levels. Second year

    students have shown invariably good performance. Generally, both

    gender groups performed very satisfactorily in their mathematics

    courses. Results further indicate that mathematics performance of

    the students is not influenced by the gender except in the third

    year level where males have outperformed the females. She

    recommended that the Mindoro State College of Agriculture and

    Technology faculty in Mathematics should engage their students in

    more problem solving tasks to come up with empirical evidences of

    the conceptual and procedural knowledge level of their students.

    Results, in turn may give better dimensions of gender difference.

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    CHAPTER III

    RESEARCH METHODOLOGY

    This chapter presents the methodology research design,

    research locale, respondents of the study, sampling technique,

    research instrument, scoring and quantification, data gathering

    procedure, data processing method and statistical treatment of

    data employed in analyzing and interpreting data pertaining to

    the variables of the study. This chapter presents the

    Research Design

    The descriptivecomparative method of research was employed

    in this study to describe and compare the level of performance of

    the students in solving complex numbers.

    This research design describes systematically, factually,

    accurately and objectively a phenomenon. Zulueta (2003) defined

    this design as a method which considers two entities without

    manipulating their values but rather establishing a formal

    procedure for obtaining criterion data on the basis of which one

    can compare and conclude which of the two variables is better.

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    Research Locale

    This study was conducted in Mindoro State College of

    Agriculture and Technology located at Alcate, Victoria, Oriental

    Mindoro. It was 15 km away from the town proper of Victoria.

    Specifically, this school satisfied the criterion in the

    selection of the research locale.

    Respondents of the Study

    The respondents of the study were composed of 15 Second Year

    College dormers of the given locale. The distribution of these

    respondents was shown in Table I.

    Table I. Distribution of the Respondents

    Respondents Population Sample

    Dormers 680 15

    Sampling Technique

    A systematic random sampling technique was used to determine

    the number of the respondents of the study.

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    Research Instrument

    The major instrument of the study used is a set of forty

    (40) item test. This set of test was selfstructured and other

    was generated from the lessons in complex numbers. This is

    composed of four parts.

    Part I deals with adding complex numbers with 10 items

    scored as 10 points.

    Part II contracts with subtracting complex numbers with 10

    items scored as 10 points.

    Part III deals with multiplying complex numbers with 10

    items scored as 10 points.

    Part IV contracts with dividing complex numbers with 10

    items scored as 10 points.

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    Scoring and Quantification

    The result of test obtained by the student respondents will

    be described using the following:

    Score Description

    910 Very High

    78 High

    56 Average

    34 Low

    1-2 Very Low

    Data Gathering Procedure

    The researcher distributed personally the set of

    questionnaires to the respondents. Direction for answering the

    test was explicitly stated to guide the students in answering the

    test. It was also read and explained for the respondents to

    answer properly. The researcher retrieved the materials and made

    sure they were returned completely.

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    Data Processing Method

    After the retrieval of the questionnaire, the researcher

    tabulated and processed the data manually through the use of the

    description in the scoring and quantification presented above.

    Quantitative data were analyzed and the results were interpreted.

    Data table was made to organize, summarize and analyze the data

    on how variables differ with each other.

    Statistical Treatment of Data

    After tabulating the data gathered from the questionnaire,

    they were analyzed and interpreted using Frequency and Percentage

    Distribution, Mean and OneWay Analysis Of Variance.

    The following statistical formulas were used in the study.

    1.

    Frequency and Percentage Distribution

    Formula:

    where:

    percentage

    frequency

    total number of respondents

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    2.

    Mean

    Formula:

    where:

    = mean

    = symbol for summation

    X = nthindividual observation

    n = total number of observation

    3.

    One Way Analysis of Variance (ANOVA)

    Table:

    Source of

    Variation

    Degree of

    Freedom

    Sum of

    Squares

    Mean of

    SquaresF-ratio

    Critical

    ValueResults

    Between

    Groups

    Within

    Groups

    Total

    Formula:

    mean square between

    mean square within

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    sum of square between

    sum of square within

    degrees of freedom between

    degrees of freedom within

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    CHAPTER IV

    RESULTS AND DISCUSSION

    This chapter presents the results and discussions of data

    generated based on the problems of the study.

    1. Level of performance in complex numbers of the dormers

    1.1 Addition of Complex Numbers

    Table 1.1 shows the frequency and percentage distribution of

    the level of performance in adding complex numbers of the

    dormers.

    It can be noted that 10 or 66.67% of the respondents got

    scores between 9 to 10. Three or 20% obtained scores between 78.

    Only 2 (or 13.33%) scored between 56.

    Based on the foregoing results, it implies that the

    respondents have a high level of performance in adding complex

    numbers as shown by the computed mean of 8.57.

    This can be denoted that the most of the respondents are

    familiar with the rules of adding complex numbers in order to

    arrive with the correct answers.

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    Table 1.1 Frequency and Percentage distribution of the

    respondents level of performance in complex numbers in terms of

    addition.

    Level of

    PerformanceFrequency Percentage Description

    910 10 66.67 Very High

    78 3 20 High

    56 2 13.33 Average

    34 0 0 Low

    12 0 0 Very Low

    Total 15 100

    Mean: 8.57 Description: High

    1.2 Subtraction of Complex Numbers

    Table 1.2 presents the frequency and percentage distribution

    of the level of performance in subtracting complex numbers of the

    dormers.

    Most of the respondents (66.67% or 10 out of 15)fell within

    910 brackets. There are three (or 20%) who got scores between 5

    to 6. While, two (or 13.33 %) were scored between 78.

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    The computed mean of 8.43 denotes that the respondents have

    a high level of performance in subtracting complex numbers.

    Specifically, it can be inferred that majority of the

    respondents got the correct answer since they know the rules

    involved in subtracting complex numbers.

    Table 1.2 Frequency and Percentage distribution of the

    respondents level of performance in complex numbers in terms of

    subtraction.

    Level of

    PerformanceFrequency Percentage Description

    910 10 66.67 Very High

    78 2 13.33 High

    56 3 20 Average

    34 0 0 Low

    12 0 0 Very Low

    Total 15 100

    Mean: 8.43 Description: High

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    1.3 Multiplication of Complex Numbers

    Frequency and percentage distribution of the level of

    performance in multiplying complex numbers of the dormers is

    shown in Table 1.3.

    Ten (10) or 66.67% of the respondents scored between 9 to

    10. Twenty percent or three (3) of the respondents got scores

    between 12. Two (or 33.33%) who got scores between 56.

    The findings showed as indicated by the computed mean of

    7.63 that the level of performance of the dormers in multiplying

    complex number is high.

    This suggests that the respondents have enough knowledge on

    the rules concerning multiplication of complex numbers in order

    to arrive with the correct answer.

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    Table 1.3 Frequency and Percentage distribution of the

    respondents level of performance in complex numbers in terms of

    multiplication.

    Level of

    PerformanceFrequency Percentage Description

    910 10 66.67 Very High

    78 2 13.33 High

    56 0 0 Average

    34 0 0 Low

    12 3 20 Very Low

    Total 15 100

    Mean: 7.63 Description: High

    1.4 Division of Complex Numbers

    Table 1.4 illustrates the frequency and percentage

    distribution of the level of performance in dividing complex

    numbers of the dormers.

    Specifically, it can be seen that 10 (or 66.67%) out of the

    15 respondents obtained scores between 7-8. Two (or 13.33%) who

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    got scores between 9-10 and also, between 56. Only 1 (or 6.67%)

    was scored between 34.

    Based on the findings, it entails that the respondents have

    a high level of performance in dividing complex numbers as shown

    by the computed mean of 7.23.

    This can be meant that the most of the respondents managed

    to get the correct answers because they were acquainted with the

    rules in division of complex numbers.

    Table 1.4 Frequency and Percentage distribution of the

    respondents level of performance in complex numbers in terms of

    division.

    Level of

    PerformanceFrequency Percentage Description

    910 2 13.33 Very High

    78 10 66.67 High

    56 2 13.33 Average

    34 1 6.67 Low

    12 0 0 Very Low

    Total 15 100

    Mean: 7.23 Description: High

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    2. Differences in the level of performance in complex numbers of

    dormers

    Table 2.1 Summary Table of Oneway ANOVA of the respondents

    level of performance in complex numbers

    Source of

    Variation

    Degree of

    Freedom

    Sum of

    Squares

    Mean of

    Squares

    F-ratio

    F

    Critical

    Value

    Results

    Between

    Groups3 28.87 9.62

    2.26 2.77Not

    SignificantWithin

    Groups56 238.7 4.26

    Total 59 267.57

    Table 2.1 shows the difference in the level of performance

    of dormers in addition, subtraction, multiplication and division

    of complex numbers.

    As indicated, since the computed Fratio of 2.26 is less

    than the tabular value of 2.77 at 0.05 level of significance

    using the degrees of freedom (3,56), thus, the null hypothesis

    was accepted. It means that there is no significant difference in

    the level of performance in complex numbers of dormers.

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    It can be suggested that the level of performance of dormers

    in terms of adding, subtracting, multiplying and dividing complex

    numbers were almost the same and do not differ with each other.

    This may be due to the familiarity of the respondents on the

    rules involved in the four fundamental operations used in complex

    numbers. It is also possible that the students mastered the

    complex numbers because it was taught to them by their teacher

    effectively.

    The findings affirm the study conducted by Dicdican (2007),

    which found out that pupils performance lies on the expertise of

    the teacher and his effectiveness to attain the objectives of the

    lesson.

    Likewise, it was upheld by Arenillo (2008) which revealed

    that students have shown good performance in Mathematics.

    Lastly, the result of the study denotes that dormers have a

    high level of performance in complex numbers and they do not

    differ significantly.

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    CHAPTER V

    SUMMARY, CONCLUSIONS AND RECOMMENDATIONS

    This chapter presents the summary, conclusions and

    recommendations made by the researcher.

    Summary

    1. Level of performance in complex numbers of the dormers

    1.1 Addition of Complex Numbers

    Results showed that 10 or 66.67% of the respondents got

    scores between 9 to 10. Three or 20% obtained scores between 78.

    Only 2 (or 13.33%) scored between 56. The mean score was 8.57.

    1.2 Subtraction of Complex Numbers

    Most of the respondents which is 66.67% (or 10 out of 15)

    fell within 910 brackets. There are three (or 20%) who got

    scores between 5 to 6. While, two (or 13.33 %) were scored

    between 78. The mean score was 8.43.

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    1.3 Multiplication of Complex Numbers

    Of 15 respondents, ten (10) or 66.67% scored between 9 to

    10. Twenty percent or three (3) of the respondents got scores

    between 12. Two (or 33.33%) who got scores between 56. The

    computed mean score was 7.63.

    1.4 Division of Complex Numbers

    As shown in the results, 10 (or 66.67%) out of the 15

    respondents obtained scores between 7-8. Two (or 13.33%) who got

    scores between 9-10 and also, between 56. Only 1 (or 6.67%) was

    scored between 34. 7.23was the computed mean score.

    2. Differences in the level of performance in complex numbers of

    dormers

    There is no significant difference in the level of

    performance in complex numbers of dormers since the computed

    Fratio of 2.26 is less than the tabular value of 2.77 at 0.05

    level of significance using the degrees of freedom (3,56).

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    Conclusion

    The researcher has come up with the following conclusions

    based on the findings of the study.

    1. Most of the respondents have a high level of performance in

    adding complex numbers because of their familiarity with the

    rules in addition of complex numbers to arrive with the correct

    answers.

    2. Majority of the respondents have a high level of performance

    in subtracting complex numbers because they were aware in the

    rules employed in subtracting complex numbers.

    3. The level of performance in complex numbers of the majority of

    the respondents is high because they have enough knowledge on the

    rules concerning multiplication of complex numbers.

    4. Most of the respondents have a high level of performance in

    dividing complex numbers because they were acquainted with the

    rules involved in dividing of complex numbers.

    5. The study revealed a no significant difference on the level of

    performance in complex number operations of the dormers.

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    Recommendations

    Based on the findings and conclusions of the study, the

    following are recommended:

    1. The students are encouraged to familiarize themselves with the

    rules in adding, subtracting, multiplying and dividing complex

    numbers.

    2. Teachers should give focus on making their students acquainted

    on the rules employed in the four fundamental operations of

    complex numbers.

    3. Students should also be exposed to different operations and

    must be equipped with the skills because four operations will

    always be applied in everyday life.

    4. Similar studies should be conducted about complex numbers to

    verify the results of the study.

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    BIBLIOGRAPHY

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    Perez, C. O. (2010) Problem Solving Performance in Algebra of

    Second Year Students in Three Selected National High School

    in Naujan

    Fababaer, L. M. (2010) Level of Performance in Solving Word

    Problems involving two and three dimensions among third year

    students in Two National High Schools of Naujan West Ditrict

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    APPENDICES

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    APPENDIX ARESEARCH INSTRUMENT

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    Name: Date:

    Course and Year:

    Dorm Number:

    Direction: Perform the indicated operations and reduce to the

    form a + bi.

    I. Addition

    1. (5+11i) + (7+4i) =

    2. 15 + (-2+3i) =

    3. (2+5i) + (6+7i) =

    4. (3+2i)+(45i)+(5+8i) =

    5. (1511i)+(45i)+2i =

    6. i + 7i + (4) =

    7. 25 + 4i=

    8. (2+3i) + (16)+7 =

    9. 3 + (72i) =

    10. (6+2i) + (46i) =

    II. Subtraction

    1. (1+6i) (8+2i) =

    2. (52i)(35i) =

    3. (27i)(313i) =

    4. 4 (i+7) =

    5. 25i=

    6. 4+7) (2+3i)=

    7. 15 (3i21) =

    8. 3 74)=

    9. 25 6i (2i) =

    10. (14+5i) (6+i) =

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    III. Multiplication

    1. (7+2i)(2+7i) =

    2. 2i(5+6i) =

    3. (73i)(4+25) =

    4. 100(38i) =

    5. 6(5+i) =

    6. (4+7)(3i) =

    7. (i+7i)(4) =

    8. 3(7+4) =

    9. (256i)(4+2i) =

    10. (14+5i)(6+i) =

    IV. Division

    1.(-4+2i)

    -2=

    2.25

    ()=

    3.24i

    3i=

    4.i2+2i+1

    i+1=

    5.i

    3i=

    6.(-36)

    2i=

    7.()

    5=

    8.24i

    3=

    9.i+3i+1

    i+1=

    10.66i

    11=

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    APPENDIX BCURRICULUM VITAE

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    CURRICULUM VITAE

    Personal Data

    Name:Desiree B. Evangelista

    Address:Poblacion III, Victoria, Oriental Mindoro

    Birthdate:December 21, 1996

    Age:18

    Civil Status:Single

    Religion:Roman Catholic

    Email Address:[email protected]

    Educational Attainment

    Undergraduate Course

    Bachelor of Secondary Education Major in Mathematics

    Mindoro State College of Agriculture and Technology

    Main Campus

    Alcate, Victoria, Oriental Mindoro

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    Secondary

    Aurelio Arago Memorial National High School

    Main Campus

    Leido, Victoria, Oriental Mindoro

    S.Y. 2012 2013

    Salutatorian

    Academic Excellence in Mathematics Awardee

    Most Outstanding Researcher Awardee

    Active Girl Scouts of the Philippines Awardee

    Elementary

    Simon Gayutin Memorial Elementary School

    Malayas, Poblacion III, Victoria, Oriental Mindoro

    Salutatorian