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Thursday, March 26, 2015

Math Yr 4 - Fraction / Pecahan - an introduction

An introduction on basic fraction information. 

Fraction is simply and closely related to division! That is the core to understand it. 



Aidan is starting fraction in his Math class. Salute his teacher, she's fast, she teaches well, she gaves lots of homeworks and unlike some of the teachers, she did marked her students homeworks, timely. 

The exercise is on the types of fractions. 

But I guess, to understand fraction (pecahan), we must understand these few things:

  1. Fraction is a part of a whole (Pecahan ialah sebahagian daripada 'satu' bahagian penuh)
  2. It consist of two parts that is numerator and denominator. In maths language, fraction is divisions of numbers. That means, 3/4 (words three over four) is equal to 3 divides by four. (Ia terdiri daripada pengangka dan penyebut. Di dalam bahasa matematik, 3/4 (tiga per empat) adalah sama dengan tiga bahagi empat).  
  3. Three basic types of fractions are proper fraction, improper fraction and mixed fraction. (Tiga jenis pecahan adalah pecahan wajar, pecahan tak wajar dan pecahan bercampur).
  4. There's also equivalent fraction which have the same value although the numbers difffer. (Ada juga pecahan yang sama bahagiannya walaupun nombor pengangka dan penyebutnya berbeza).

For a start, this should suffice. We'll learn about adding, subtracting, multiplying and dividing fractions in time comes. 

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