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Analysis of Students' Misconceptions in Solving Mathematics Problems on Flat 
Construction Materials     476 
INTRODUCTION 
 
Mathematics is a subject that has an important role in education. Based on the 
Regulation of  the  Minister of National Education No.  22  of  2006  concerning Content 
Standards for primary and secondary education units, mathematics needs to be taught to 
students  starting  from  elementary  school  to  equip  students  with  logical,  analytical, 
systematic, critical, and  creative thinking skills as  well as the  ability to  work together 
(Siswono, 2018). In addition, mathematics is also the basis of science and technology. 
Hence why it is necessary to be understood, taught, and mastered to make it applicable in 
everyday life. Therefore, mathematics must be taught starting from basic education. 
 The  Ministry of  Education and  Culture (2014) explains  that  there  are  various 
abilities  that  must  be  mastered  by  students,  one  of  which  is  problem-solving  skills. 
Problem-solving is one of the goals of learning mathematics (Amaliah, Fitri, Sutirna & 
Rafiq,  2021).  NCTM  (2000)  in  Amaliah,  Sutirna,  &  Zulkarnaen  (2021),  stated  that 
problem-solving  means  engaging  in  a  task  where  the  solution  method  is  not  known 
beforehand. To find solutions, students must draw on their knowledge, and through this 
process, they will develop new mathematical understandings. There are several steps that 
can  be  taken  to  solve  mathematical  problems,  Polya  (1973)  in  Amaliah,  Sutirna,  & 
Zulkarnaen (2021), namely (1) understanding the problem Please delete these words (2) 
planning a solution (devising a plan), (3) implementing the plan and (4) checking back. 
Students can be said to have good problem-solving skills if they are able to go 
through all stages of problem-solving. However, there are still find students who have 
misconceptions about solving mathematical problems. Abraham explained that students 
are said to have understood a concept if they have met a criterion, namely understanding, 
misconception,  and  not  understanding.  Meanwhile,  misconceptions  are  things  that  are 
often  experienced  by  students.  Therefore,  it  is  important  for  teachers  to  know  the 
misconceptions experienced by students.  
A teacher should teaching subjects from the ideas that the students already has as 
a  benchmark  for  preparing  learning  that  can  reduce  misconceptions  and  increase  the 
concept  of  new  ideas.  That  way,  the  teacher  can  help  students  not  to  experience 
misconceptions about the lesson, especially the mathematics lesson on the geometry of 
quadrilaterals, namely squares and rectangles. Suparno (2013) defines misconceptions as 
understanding concepts that are not in accordance with scientific understanding or  the 
agreement of experts in the field (Ainiyah, 2015). 
 In this study, the researchers analyzed the types of misconceptions based on the 
types  proposed  by  Moh.  Amien  (Ainiyah,  2015),  namely:  1)  classificational 
misconceptions, which are forms of misconceptions based on misclassification of facts 
into organized charts, 2) correlational misconceptions, which are forms of misconceptions 
based  on  errors  regarding special  events. interconnected, or  observations consisting of 
assumptions,  especially  in  the  form  of  the  formulation  of  general  principles,  and  3) 
theoretical  misconceptions,  which  are  forms  of  misconceptions  based  on  errors  in 
studying facts or events in an organized system. 
Based  on  the  results  of  the  initial  test  for  fourth  graders  at  SD  Negeri  2 
Biwinapada,  there  are  some  students  who  still  have  misconceptions  in  determining 
formulas and performing operations to calculate the area and perimeter of a combined 
square and rectangular shape. Furthermore, after interviewing the teacher, sometimes he 
does  not  provide  reinforcement  for  students  if  there  is  a  misunderstanding  in  the 
explanation. Therefore, misconceptions are a condition that must be handled because they 
can  hinder  students'  knowledge  of  mathematics,  one  of  which  is  geometry  material, 
especially in rectangular flat shapes, namely squares and rectangles. Thus, it is necessary