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Ujicoba soal percentase kepada siswa kelas 5 SD IBA
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REPORT OF PERCENTAGE PROBLEMS SOLVING NUMBER 2
By Umi Puji Lestari
In Class 5a SD IBA Palembang
When ?
Who ?
M. Akbar
Why ?Aktive Student
Problem and Student’s Answer
Berapa persentase dari siswa kelas 5 yang merupakan anggota
ekskul sepakbola?
Problem 2
Hasil dari Pendataan Ekskul
Kelas : 5
Apakah kamu anggota ekskul sepakbola?YA : TIDAK :
Student’s Answer
Video and Transcrib
Please, click....
http://www.youtube.com/watch?v=zLGOzi_FIz8&feature=youtu.be
Analysis
Student could understand that 15 students are football extracurricular member and 5 students
aren’t extracurricular member he could decide that the number of all of the students in grade 5 is 20.
The strategy of the studentsconvert common fraction into persentage
The questions from the interviewer helped the student to understand what the meaning of the
problem
Student could understand how to read “pillar”
Student could decide that the common fraction of the number of the students who become the
member of football extracurricular is
Student convert into 75% by multipling numerator and denominator with 5
5 was chosen because by multipling denominator with 5, denominator will be 100. Linking with the
definition that the persent means per one hundred, student could convert common fraction
into persent
CONCLUTION
Student needed the questions aid from the intervier to solve the problem
Student intertwined what he know about common fraction then convert into persen
to solve the problem
Student has understood the formula he prefer use formula rather than drawing
Student could give reasoning good enough
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