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How Can We Easily Find Prime Numbers?
The concept of prime numbers might be easy for some people, but this is not the case for grade 4 students. They usually have to think hard to determine whether a number is a prime number or not.
None Luxynda Aprillia Prestiche Putri is a grade 4 student in SD Krucil 2, Probolinggo, and as a result of the PAKEM lesson given by her teacher, None had a chance to work things out for herself.
She and her classmates succeeded in discovering an easy way to find prime numbers. SD Krucil 2, where None is studying, is located in Krucil, Probolinggo and is one of the MBE target schools. Even though this school is far from the city the teachers are innovative and the students are certainly no less advanced than the students in the city.
This is what None wrote on how she found prime numbers:
Make a table and fill in the numbers from 1 to 100, and then use multiplication, example 2x2=4, 2x3=6, 2x4=8 etc., up to times 10. Except for number 1, mark/circle the results, example 4, 6, 8, 10 etc., and then the remainder are the prime numbers from 2 to 100.
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The multi-plication table from 2 to 10. The uncircled numbers are the prime numbers.
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None’s explanation of how she found prime numbers.
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Back page: Participants in the Orientation Workshop at Batu
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Stories and Questions from the Field
We are ready to answer your questions about PAKEM, Contextual Learning, SBM or anything else. We also ask you to send in your stories to us from MBE or other areas about innovations or educational issues at school, community and district levels. Send them to us in Jakarta for Suara MBE. If they are accompanied by photographs, so much the better. Send by post, fax or e-mail. Our address, fax number and e-mail address are on the back page.
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PAKEM Training in Ambal
Ambal sub-district, Kebumen, is located near the south coast of Java. The PAKEM training phase 2 was conducted in April 2005. This training also included teaching practice at schools. Below are the number of examples of PAKEM teaching seen during the training:
At MIS Muhamadiyah, the grade 5 students learning about fractions by cutting up fruit.
Grade 3 student of MTS Guppi, Siti Ngasiah, reading a story to the class that she has written herself.
Ibu Alipah asked her grade 2B students at SMP2 Ambal to find the area of a circle by cutting it up and arranging it to become a rectangle.
Desi, a Grade 3 student of SD Ambalresmi 3, reading poetry about a banana plant that he has written himself.
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At SD Ambalresmi 3 have they formed a parents group that is led by Ibu Umi Kimhati. Even though she is advanced in years, she still cares about the education of the young generation in her village.
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Head of the School Committee: Bpk Suparyo, Members: Bpk Panjo, Ibu Umi and the School Principal: Ibu Yulia
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