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