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Journal of Physics: Conference Series
PAPER • OPEN ACCESS
Building a
caring community
in
problem based learning
to improve
students’ mathematical connection capabilities
To cite this article: M Tohir et al 2021 J. Phys.: Conf. Ser. 1839 012008
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ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
IOP Publishing
doi:10.1088/17426596/1839/1/012008
1
Building a caring community in problem based learning to
improve students' mathematical connection capabilities
M Tohir1, M Atikurrahman1, M Maswar1, L A Daulay2, M Minhaji1, A Albadri1,
W Sardjono3
1Universitas Ibrahimy, Situbondo, Indonesia
2Institute Agama Islam Negeri Takengon, Aceh, Indonesia
3Bina Nusantara University, Indonesia
Email: matematohir@ibrahimy.ac.id
Abstract: This research aimed to describe the results of the implementation of Problem Based
Learning (PBL) done by researchers on Caring Communitybased students so that their impact
can improve students' mathematical connection abilities. This research was a Classroom Action
Research (CAR) done through 2 cycles, where was in each cycle includes planning,
implementation, observation, and reflection. The instruments were used the Package Book and
Student Worksheets given to Grade VII students of Ibrahimy Junior High School at Sukorejo.
Data Collection tehnique were used by observation, testing, and documentation. Analysing data
was used by qualitative descriptive methods through three steps, namely are data reduction, data
presentation, and drawing concluding. The results of this research indicated that: (1) there was a
significant difference between the results of the cycle I (without worksheet) and cycle II (with
worksheet); (2) the statistical results showed that was the significance of Sig. (2tailed) is 0.00 <
0.05; then it can be concluded that the implementation of PBL based on Caring Community has
a significant effect on the ability of students' mathematical connections; (3) the results of the
achievement of indicators of students' mathematical connected ability among students in the
high, medium, and low categories occurred significant differences starting from indicator I, II,
and III.
1. Introduction
Mathematics is seen as having a very important and active role in the world of education and is very
influential on other subjects, so mathematics are likened to the queen of all science. This was conveyed
by Carl Friedrich Gauss that mathematics is the queen of science [1]. This is made clear by Talhah,
Tohir, Nguyen, Shankar, & Rahim saying that mathematics is the main foundation of every
contemporary scientific order [2]. This is in line with the results of several studies conducted by the
National Council of Teachers of Mathematics (CTM). There are five basic mathematical abilities that
students should have, namely: (1) mathematical communication; (2) mathematical reasoning, (3)
mathematical problem solving, (4) mathematical connections, and (5) mathematical representation [3].
Thus, someone who can master mathematics well and correctly has headed the path that is ready to
follow the development of increasingly sophisticated science and technology.
Every student and educator must have these five basics abilities (CTM) so that mathematics learning
runs as expected. These are in following with the learning objectives of mathematics set out in the 2006
curriculum in Indonesia. It also refers to the five basics mathematical abilities which the essential
include: (1) connections between concepts in mathematics and their use in problemsolving, (2)
reasoning, (3) problemsolving, (4) communication, representation, and (5) effectively factors [4]. This
ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
IOP Publishing
doi:10.1088/17426596/1839/1/012008
2
result also emphasize in the 2013 curriculum who said that the activities emphasizes in the
implementation of learning are students trained to learn to connect material that has learned at school
by applying it in daily life [5]. Thus, the ability of mathematical connections is one of the elementary
capabilities of a person association between previous Mathematical material with Mathematical material
that is being discussed and can link the Mathematical Material in everyday life.
Mathematical Connection is a learning program where students can discuss how to solve, and
mathematical ideas that are related to each other formed mathematics, as well as students, can apply.
There are several results of previous studies that are carried out and have a relationship between the
ability of mathematical connections and learning that is supported by Problem Based Learning (PBL),
namely: Al Jabbar, Hadi, Wangguway, & Sulistiyono shown that there is an effect of used problem
based learning in creative innovative skills on solving rainbow anti magic coloring [6]; Atikurrahman,
Hobri, & Yuliati shows that the implementation of Problem Based Learning which also based on Caring
Community had a significant effect on the students' connection abilities [7]; Rohmah, Mahardika, &
Setiawan shows that the achievement of students' mathematical connection ability on the material of
Linear Equation System Two Variables in grade VIIIA students of SMP Darul Falah can be improved
through Problem Based Learning approach [8]; and Kartikasari & Widjajanti shows that the learning
approach using problembased learning based on multiple intelligences was effective in terms of
student's achievement, mathematical connection ability, and selfesteem [9]. However, some results of
this study still do not address the problems in the study obtained by Mukhlis et al. shows that the ability
of students to make mathematical connections is still relatively low [10]. It has caused by the results of
research obtained by Tohir, Abidin, Dafik, & Hobri, who discusses the matter of thinking ability in
compiling and developing theories in mathematics needed to foster student support for the material and
seek useful learning [11]. Atikurrahman et al. show that improving students' understanding, and
overcome problems that occur in problemsolving, improve learning through the study of community
based lessons that care for the learning community [7]. It is confirmed by Hosnan, Hobri, & Dafik, is
said to Caring Community is honing social sensitivity related to students in group activities. In essence,
students support to pay attention to each other, related to the state of being in groups, to learn and develop
with mutual trust and comfort, a place to knit and can guarantee the right of learning for each child [12].
Regarding PBL, Arends revealed that PBL is a learning model with student learning approaches on
authentic problems so students can compile their knowledge, develop higher skills, develop students'
independence and increase selfconfidence [13]. Therefore, this study tries to answer these unresolved
problems, namely by implementing PBL learning based on Caring Community aims to improve
students' mathematical connection abilities. Accordingly the advantages of this research compare to
previous studies are to implement PBL following 21stcentury learning based on Caring Community
when using learning tools that are developed by Moh. Atkurrahman, which aims to improve students'
mathematical connection abilities [7].
2. Research Methods
2.1 Research design
This research used a Classroom Action Research (CAR) of the qualitative approach. Qualitative research
adheres to the natural background in which a study takes place (it views the context as a whole). In this
regard, human serves as an instrument. Qualitative method requires inductive data analysis and theory
development, which are all based on the data, which is descriptive in nature and more concerned with
the process under investigation. The resarch is limited by its focus, the specific criteria for ensuring data
validity, and its temporary design. Also, qualitative data are generated through joint decision [11]. Srisa
ard, Luanganggoon, & Malasi said that CAR was an innovation that was expected by people from some
sectors including educators, researchers, school administrators, and teachers is as a strategy to develop
professional knowledge teachers to be strengthened due to research classroom actions including reasons,
and methods facilitate the development of learning [14]. This class action research focused on efforts to
change present real conditions towards expecting conditions. The material in the cycle I (without
worksheets) was about the comparison of two quantities and value comparisons, and the cycle II (with
worksheets) was about the comparing of the reversal of values and the application of value. The
following Figure 1 displays a model of a CAR cycle in this researcher.
ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
IOP Publishing
doi:10.1088/17426596/1839/1/012008
3
Figure 1. Model of a CAR cycle.
2.2 Participants
This class action research conducted on grade VII students with 36 students of Ibrahimy Junior High
School at Sukorejo. Indicators of success has two cycles in this study, they are were: (1) mastery of
comparative material at the end of this study increased to reach 80% of students have reached a value
above the minimum completeness limit of 75 and (2) the effectiveness of learning by using PBL in
building Caring Community attitudes significantly increased at comparison material, this can be marked
by an increase in learning outcomes for each student. While the indicator of student's mathematic ability
can be measured by showing three aspects that are :(1) able to use mathematical connections between
ideas in mathematics with related concepts; (2) being able to use mathematical connections between one
idea and another so as to produce a link between mathematical principles and different material; and (3)
able to use mathematical connections between mathematical concepts with problemsolving related to
problems of everyday life.
2.3 Data collection
Data collection technique was the most important stage in research because it determined the success of
obtaining accurate data, then it is analyzed based on students' answers to the questions given. The data
collection method used was the test and nontest. To determine the improvement of students'
mathematical relationship skills was a test technique. Meanwhile, nontest techniques are used to build
a Caring Community during the mathematics learning process. The research instruments were; (1)
observation and question of guidelines, (2) achievement test questions, (3) documents consist of syllabi,
lesson plans, student worksheets, and student data.
2.4 Data analysis
The data that has collected then analyzed using an interactive analysis model. Observation guidelines,
questionnaires, and test questions have been declared valid by the validators [7]. Data validity to be able
by method triangulation, peer checking, and extended observation. Data analysis was performed
descriptively qualitative through data reduction, presenting data, and drawing conclusions. Presentation
of data includes the classification and identification of data, stating organized and categorized data sets
so that a conclusion can be drawn. The conclusions obtained will be additional and supporting material
in conducting further research.
ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
IOP Publishing
doi:10.1088/17426596/1839/1/012008
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3. Research Results and Discussion
The first data obtained with the results of observation and learning outcomes, but before that action was
given in Grade VII students of Ibrahimy Junior High School at Sukorejo. The second and third data
obtained based on the results of treatment in cycle I and cycle II. Teachers and students can describe
their performance in detail with PBL learning syntax, and it was about the performance of teachers was
told and students in Table 1 below.
Table 1. The Result of implementation on PBL syntax.
Activities
Pre Cycle
Cycle I
Cycle II
Meeting I
Meeting II
Meeting III
Meeting IV
Teacher
74.6
77.2
85.4
91.8
97.2
Students
68.2
73.6
87.2
93.6
96.4
Based on Table 1, it showed that the teacher's performance and student activities in building
a caring community on the application of the PBL model increased significantly with students'
mathematical abilities. The precycle, the teacher's performance gets a score of 74.6; while the student
activity scores 68.2. In the first cycle, the first meeting on the results of observations of teacher
performance got a total score of 77.2; and the score obtained on student activity was 73.6. In the first
cycle of the second meeting, the results of observations of teacher performance got a scoring of 85.4;
and in students, activities got a score of 87.2. After reflecting in the first cycle and applying
improvements to the second cycle using student worksheets, then experiencing an increase in the results
of observing the performance of the second cycle teachers meeting a score of 91.8; and the result
observations of student activities get a score of 93.6, the second cycle of the fourth meeting is the
observation of the results of teacher performance and student activity again increased with the results
observations of teacher performance getting a score of 97.2, While the results observations of student
activities get a score of 96.4.
While improving the quality of students' mathematical connection abilities and student learning
outcomes during the learning process by using PBL is marked by the achievement of all research
indicators. Based on data collected during the study, it found that the attitude of the Caring Community
and students' mathematical connection abilities continued to improve. Table 2 is shown by results in
class action research.
Table 2. The test results of student mathematical connection ability.
Cycle
Minimum
Maximum
Sum
Mean
Std. Deviation
Statistic
Statistic
Statistic
Statistic
Std. Error
Statistic
Pre Cycle
32
77
2180
60.5556
1.85568
11.13410
Cycle I
(without worksheet)
37
89
2473
68.6944
2.25474
13.52842
Cycle II
(with worksheet)
40
95
2762
76.7222
2.29167
13.75004
In Table 2 above, it showed that the average precycle test score is 60.5556; with a minimum value
of 32; and a maximum rate of 77. Then, through these data, it is known that the average test scores
obtained are still very far from the average minimum completeness value expected. The average rate of
the test during the first period was 68.6944 within a minimum rate of 37 and was the maximum rate of
89. This result also has not yet reached the expected minimum completeness value. The average test
score during the second cycle was 76.7222 with a minimum rate of 40 and a maximum rate of 95. So
based on these data, it is known by the average rate of the tests obtained has reached the average
minimum expected completeness value. The standard deviation of the precycle of 11.13410, cycle 1 of
13.52842, and a period 2 is 13.75004. The results of this study indicate that achievement in building a
Caring Community in each cycle can increasingly improve students' mathematical connection abilities.
ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
IOP Publishing
doi:10.1088/17426596/1839/1/012008
5
The process of learning mathematics by applying the PBL model by build to Caring Community can
improve students' mathematical connections and can be used certainly as a solution to the problems that
have formulated.
The results of this study reinforce the results of research conducted by Hermawan & Prabawanto
that the application of the Problem Based Learning model has a positive influence on the ability of
students' mathematical connections so that, the Problem Based Learning model can be an alternative
model of learning approaches that can be used in Schools [4]. In line with the results of research
conducted by Fariana shows that the implementation of the Problem Based Learning model can improve
understanding of concepts and activities, this can be seen from the percentage of completeness of cycle
I and cycle II [15]. The results of this study also reinforce the results of previous studies conducted by
Atikurrahman et al. that the application of Problem Based Learning that also, based on the Caring
Community has a significant influence on student connection abilities [7]. The results of this study are
also in line with the results of research conducted by Al Jabbar, Hadi, Wangguway, & Sulistiyono show
that there is a significant influence between the implementation of PBL by using Student Worksheets
can improve students' creatively innovative skills [6].
The prerequisite test used to determine the influence of the precycle, cycle I, and cycle II in
applying the PBL model to develop Caring Community attitudes is the KolmogorovSmirnov statistical
test. The normality test results of research data using KolmogorovSmirnov obtained a significance
value of 0.200. Due to the significant score of 0.200 > 0.05, so that the conclusion of the residual value
can be ordinarily distributed. Thus it can be continued in parametric statistical tests to determine the
influence of the pre cycles that are I and II.
Table 3. Paired sample test.
Cycle
Paired Differences
t
df
Sig. (2tailed)
Mean
Std.
Deviation
Std. Error
Mean
95% Confidence Interval
of the Difference
Lower
Upper
Pre Cycle  Cycle I
8.13889
6.42830
1.07138
10.31391
596387
7.597
35
0.000
Pre Cycle  Cycle II

16.16667
6.68260
1.11377
18.42773
13.90560
14.515
35
0.000
Cycle I  Cycle II
8.2778
4.28610
0.71435
9.47798
6.57757
11.238
35
0.000
Basis of Decision Making
1. If the value of Sig. (2tailed) < 0.05, then there are significant differences in learning outcomes
between precycle with cycle I, precycle with cycle II, and cycle I with cycle II.
2. If the value of Sig. (2tailed) > 0.05, there is no significant difference in learning outcomes between
precycle with cycle I, precycle with cycle II, and cycle I with cycle II.
Based on the test results of the third table showed that the test results are different in the increase in
students' connection skills in both cycles using the Paired test showed the Sig. (2tailed) 0.000 <0.05,
so that it can be concluded by differences in the average increase between cycle I and cycle II. Then
this shows that there is a significant difference in students' mathematical connection ability between
cycle I (without worksheet) and cycle II (with worksheet) to build a Caring Community attitude in
implementing PBL. Then, Table 4 below can be displayed by the results of students' completeness tests
in each cycle based on a minimum completeness score of 75.
Table 4. The list of student mastery test results.
Score
Number of Students
Pre Cycle
Cycle I
Cycle II
0  50
6
3
2
51  74
27
15
5
75  100
3
18
29
ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
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doi:10.1088/17426596/1839/1/012008
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Based on Table 4 showed that in the precycle, a lot of 33 students received grades below the
minimum standard of limitations (75). As for the first cycle, 18 students achieved grades less than 75.
It means that as many as 50% of students did not reach the minimum completeness standard. While in
cycle II, on 7 students achieved grades less than 75. It means that there were as many as 80.56% of
students who have got a minimum completeness score. However, on 2 students still got scores below
50, so this becomes a special note for the teacher concerned and for researchers to conduct further
research on the implementation of PBL and how to develop Caring Community attitudes in other
mathematical material with submaterial subject matter different. Relevant to the results of the study of
Hosnan et al. (2018) which shows that the implementation of Caring Community research on
mathematical material can be continued with different materials, or the same it but with different
subjects, so that a sense of concern, confidence, and communication of students arose in learning.
3.1 Cycle I
Cycle I begins with planning actions which include: (1) making a syllabus of comparative learning
materials; (2) making the design of teaching programs needed for teaching students in groups, each
group consist of 4 students; (3) preparing textbooks for grade VII mathematics subjects, Student Books
[16], and Teacher's books [17], (4) making evaluation tools that are used to obtain student ability data
after getting action in implementing PBL intended for each student, and (5) making solutions and steps
to be conveyed to students regarding student weaknesses in solving problems that have tested by
researchers
The implementation phase of the action in the first cycle has the objective to find out the effectiveness
of mathematics learning using the textbooks published by the Ministry of Education and Culture.
According to Eggen and Kauchan suggested that the effectiveness of learning is characterized by the
activeness of students in learning, especially in organizing and finding information [18]. The learning
process is carried out following what has been planned, starting with an explanation to students about
the activities that must be carried out by students in following the activities. In the learning process
students are directed to think individually first, then collaborate with friends in a group without having
one friend left out (Caring Community). When building a Caring Community on the ongoing
implementation of PBL, it assumes that every student can be accepted and cared for regardless of
circumstances, beliefs, or shortcomings they have.
The results of the observation intend to evaluate various weaknesses, difficulties, or strengths faced
by students in completing the comparison material that tested to be using the question and answer
method. Then according to the textbook to groups of students are given by assignment to discuss
together in each group. When students are discussing duties in each group while researchers observed
of them, and interviews are conducted occasionally about the activities are being discussed.
When the researchers were observing each group of students, the researcher noted the strengths and
weaknesses then weaknesses in the use of this textbook. Based on the observations of researchers,
students experienced problems when doing assignments. Besides, the researcher also noted students
who were active in group discussions. Then the researchers instruct students who have been able to
solve the problems contained in the textbook to share with other groups by presenting to the class.
Based on the observations of researchers, in general, students were found enthusiastic in discussing
assignments in textbooks, and there were no more students who were absorbed in playing alone or with
their friends. So that in cycle I. Students are preoccupied with the activities to contain in the package
book. Moreover, the teacher always goes around each group to ensure all students are active in the
discussion. But, in doing the working task still appears that there are groups who experience obstacles
in discussing their completion because that is known with the researcher that the researcher finally
comes to the group who then asks him. "Is there a problem with the discussion?". Finally, they answered,
"yes, sir" Only then will the researcher give direction to other problems that are on par with the problems
in the textbook. After the assignment finished to discuss, then one group of students presents in front of
the classroom, then a question and answer session is held.
Other findings produced by researchers on the results of the corrected assignment turned out to be a
group of students who still did not understand the basic concept of division in the form of other
questions. The learning process that occurs in class who work together and ask each other questions in
ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
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doi:10.1088/17426596/1839/1/012008
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an atmosphere of mutual concern between friends. The condition of students who ask each other
questions, explain each other, and exchange opinions can be presented in Figure 1 below.
Figure 2. Group discussion activities in Cycle I
Based on Figure 2 showed the group discussion of cycle I went quite well and smoothly. It seems
clear in each group. There is one student who is the center of exchange of opinions to explain to other
students in the group. They are also clearly seen that students are very anthropological, helping one
another explaining, exchange opinions, and ask questions. It can be concluded by students have been
able to collaborate quite well in building a Caring Community in the PBL learning process. The results
of this first cycle, there still needs to be an increase in the form of aids used, namely Student Worksheet
(SW) based on Caring Community. It is necessary to choose the right strategy to support learning based
on Caring Communitybased SW. Caring Communitybased is a student activity sheet whose contents
guide student activities in the teaching and learning process in an organized, systematic manner, and
through mutual care between one another.
3.2 Cycle II
In the planning stage in cycle II, the researcher planned the action in four steps, namely: (1) making
small groups, each group led by children who have more abilities and can lead, (2) making the design
of learning material distribution; (3) create a Caring Communitybased worksheet, (4) compile learning
strategies that can support Caring Communitybased worksheetassisted learning, and (5) plan an
evaluation tool in the form of test questions used to measure student abilities. The selection of the right
evaluation will affect student learning outcomes. Nana Sudjana suggested that mathematics learning
outcomes are abilities students have after they have gained learning experience [18]. Meanwhile, Gagne
groups learning outcomes into five parts in the form of capabilities as are intellectual skills, cognitive
strategies, verbal information, motor skills, and attitudes [19].
The cycle II of the implementation phase of the action aims to determine the effectiveness of the
implementation of PBL by using Caring Communitybased SW. Caring Communitybased worksheets
are student activity sheets that can help students optimally and continuously in a scientific manner,
process skills, and knowledge. According to Hobri & Susanto, Caring Community is a learning activity
that can build groups of students who care about each other and are environmentally sensitive [20]. The
cycle II of the action begins with an explanation to students about the procedures to be carried out in
learning for them, determine the leaders/leaders of each group, and students gather according to the
ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
IOP Publishing
doi:10.1088/17426596/1839/1/012008
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group. After students gather with their groups, the researcher distributes Caring Communitybased
worksheets to each group for discussion.
When students are discussing worksheets in each group, then the researcher observes each of them.
Occasionally, the activities are conducted and are discussed by interviews. During the tour, the
researcher notes the mistakes made by the group to guide so that all students can be active in group
discussions. Then, it is instructed by group representatives to present their work, and other groups asked
to respond to what has presented. On this occasion, the researcher guided the discussion and are together
the students formulated answers.
Based on observations on the implementation of the second cycle, it seems that students are very
enthusiastic about doing group work. All students look active with their groups in completing
assignments in the worksheet. When discussing the discussion of material given by one group to be
responded to by other groups, sometimes it can be seen the differences in the thinking patterns of each
individual in conveying the problemsolving ideas provided.
Based on the results of the evaluation of the cycle II, there are still on 6 students who get grades
below the minimum completeness standard and are still some mistakes made by a small number of
students due to the lack of scrutiny in working students. The problem of skill and accuracy in taking
steps to work on still needs to be improved so that the mastery of comparative material can be even
better. While the activeness of the students as a whole has been as expected by the researchers because
in discussing Caring Communitybased SW as a group, it has reached 83.33% and has been active in
PBL activities that take place. The flow of the learning process in cycle II can be presented in Figure 3
below.
Figure 3. Group discussion activities in cycle II
Based on Figure 3 in addition to this, it can be shown that building a Caring Community attitude in
learning by using the PBL model obtained satisfactory results. Because learning activities in the second
cycle emphasizes the concern between one student and other students, both in their own groups and with
other groups. This can be seen clearly in every group, which is all students actively asking each other,
exchanging opinions, exchanging, and responding. So it can be concluded that this learning model
triggers good learning enthusiasm, has a high curiosity, has caring among others, and has confidence in
asking questions, and has a high sense of responsibility.
ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
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doi:10.1088/17426596/1839/1/012008
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3.3 Achievement of Student Mathematical
Connection Ability Indicators Next are the results of student A's work in applying his mathematical
connection skills when working on problems.
Figure 4. Student A achievement of mathematical connection capabilities.
Based on Figure 4, the group category shows that student A has not been able to show the three
indicators of mathematical connection ability. It can be concluded that students cannot yet reach the
level of perfection. Student A does not understand the overall comparison, so that the three indicators
of students' mathematic relationship ability are not fulfilled completely.This reinforces the results of
research obtained by Tohir showing students with the ability to try to dig up information, identify
problems that are asked well but are less consistent in choosing the information needed and information
that is not needed in problem solving [21]. This is also in line with the opinion of Gartmann & Freiberg
saying that in problem solving there is a process of being aware of and organizing thinking about how
students make approaches to problems, choosing strategies used to find solutions and asking themselves
about the problem [22].
The following also presents the results of student B's work in applying his mathematical connection
abilities when working on problems.
Figure 5. Student B achievement of mathematical connection capabilities.
Indicator 1
Based on Figure 4 showed that student
A in the medium group category has not
been able to show the three indicators of
their mathematical.
Indicator 2
Student A can use mathematical
connections between one idea and
another to produce a link between
mathematical principles and different
material.
Indicator 1
Student B is able to use mathematical
connections between ideas in mathematics with
related concepts
Indicator 2
Student B is able to use a mathematical
connection between one idea and another idea so
as to produce a link between mathematical
principles and different material.
Indicator 3
Student B is able to use mathematical
connections between mathematical concepts
and problem solving related to everyday life
problems.
ICOLSSTEM 2020
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Figure 5 above, shows that student B in the high group category is able to show all three indicators
of their mathematical connection abilities. It can be concluded that student B already has the ability to
level upwards. Student B already understands the comparison as a whole, so that all three indicators of
the ability of the student's mathematical connection can be fulfilled completely. Relevant to the results
of Tohir research, students with high ability in the preparation stage of students identify the problem
being asked well, students choose the information needed and information that is not needed in solving
the problem correctly [21]. Reinforced by the opinion of Hasan said that students' thinking processes
will run correctly as expected if the theoretical information processing components that exist from
stimulus to longterm memory in students function properly and correctly too [23]. While the results of
the overall analysis of students' mathematical connection abilities can be described in Figure 5 as
follows.
Figure 6. Student's mathematical connection ability indicator achievement.
Based on the results of the percentage achievement of indicators of students 'mathematical
connection ability in Figure 6 above, it is known that the ability of students' mathematical connections
between high, medium, and low group subjects shows significant differences starting from indicator I
to indicator III. So it can be concluded that high category students indicate that they can pass all
indicators, medium category tends, the medium category tends to miss 2 or 3 indicators, and the low
category tends to only pass the first 2 indicators. Relevant to the results of Guntur, Aliyyatunnisa, &
Kartono that high category students indicated that they passed through all stages, the medium category
tended to skip 2 or 3 stages, and the low category tended to only pass the last 2 stages [24]. In line with
the results of research Munawwarah et al. shows that subjects in different categories have different
critical thinking skills also based on their personal characteristics and prior knowledge. Because, the
average subject in the high category is able to provide an explanation of what was done [23]. Therefore,
individual with mathematical understanding will be able to use this ability to learn mathematics without
any significant difficulties and can think mathematically where the way of thinking is very useful in
everyday life [25].
4. Conclusions
Based on the results of CAR that has carried out, it can be concluded that; (1) Building a Caring
Community in the PBL method has a significant effect on students' mathematical connection abilities,
and student learning outcomes statistical results are evidenced by it and showed that the significance of
Sig. (2tailed) is 0.00 < 0.05; (2) The application of PBL in building a Caring Community attitude is
very effective and efficient in improving students 'mathematical relationship knowledge and can
increase students' selfconfidence in expressing opinions; (3) used of Caring Communitybased SW was
more effective than using a textbook (without worksheet) in learning activities. This was shown in the
evaluation results experienced a significant increase from pre cycle to cycle I, and from cycle I to cycle
II; (4) the use of Caring Communitybased worksheets in PBL could help students to master the
ICOLSSTEM 2020
Journal of Physics: Conference Series 1839 (2021) 012008
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comparison material; and (5) the results of the achievement indicators of students' mathematical
connection ability starting from indicator I, indicator II, and indicator III respectively obtained by
83.33%; 69.44%; and 58.33%.
The author's suggestion based on the results of the study is: (1) For teachers, especially mathematics
teachers, in building a Caring Community. They should use the PBL model as an alternative to learning
in an effort to develop students' mathematical relationship skills so that the learning process is creative,
innovative, effective, and efficient; (2) In building a Caring Community, the teacher must try to use
other learning models to obtain more information in an effort to develop students' mathematical
relationship skills; and (3) for future researchers, the implementation of PBL with the help of
Community Care Worksheets can be continued on the same material or other mastery without
eliminating the characteristics of Lesson Study for Community Learning (LSLC) based learning.
Acknowledgments
The authors gratefully acknowledge the Mathematics Tadris Study Program, Faculty of Tarbiyah, and
Ibrahimy University for all the support provided for the completion of our project and the writing of this
paper.
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