Tuesday, October 8, 2013

Math Student Teacher @ MariSci

Last week, our daughter was chosen by her Math teacher (adviser as well) Ms. Rafaela Arlene Gupit to be her “Student Teacher” for 2 days (October 2-3) in celebration of the “World Teachers’ Day.” Preparations were indeed painstaking but enriching for her. She made her PowerPoint presentation for the 2 topics: Laws of Exponents and Scientific Notation. It seems to be an old topics for her but needed to explore deeply so that she can efficiently and effectively deliver the facts. She made some exercises as well. For 2 days she experienced again how it is to be a teacher especially in Math wherein many students find it hard to deal with but many thanks to the guidance and support of her teacher and she managed to perform her task.

Monday, October 7, surprisingly they had a short program to recognize the Student Teachers. Fortunately, our daughter Ysabel got 2 recognitions for her performance. She got the BEST STUDENT TEACHER for Grade 7 Level and for MATH DEPARTMENT as well. She’s indeed very happy for the recognitions and once again experienced the hardships but rewarding of the noble profession of teaching.

Our heartfelt congratulations to you our dearest daughter! Keep up the good work, keep reaching for your dreams and job well done again. Maybe someday you’ll be a Math teacher. What do you think?

@Marikina Science High School

Wednesday, October 2, 2013

Scientific Notation

I am guiding my daughter in preparing her PowerPoint presentation for her 2-day duty as Math Teacher in celebration of the World Teachers’ Day. One of the 2 topics is she was tasked to discuss was Scientific Notation. Find it easy or hard? I guess pretty easy because you just need to remember simple things in converting numbers from standard form to scientific notation and vice versa. Recall the following:

* Scientific notation is a method of writing numbers as the product of two factors where the first factor is a number greater than or equal to 1 but less than 10 and the second factor is an integral power of 10.

* When the decimal is moved to the left the exponent gets larger, but the value of the number stays the same. Each place the decimal moves, increases the exponent by one (1). If you move the decimal to the right it makes the exponent smaller by one (1) for each place it is moved.


* In writing numbers in scientific notation, you must remember the 2 factors wherein the first factor is equal or greater than 1 but less than 10 & the second factor is an integral power of 10.

* When it comes to decimal point, going LEFT the exponent gets larger and so going RIGHT the exponent becomes smaller. Add 1 to the exponent each place the decimal moves. Going LEFT the exponent is POSITIVE and ergo going RIGHT the exponent is NEGATIVE.

Now get a pen and paper and try the following problems: 1.)  6.8270 x 10^7 ;  2.)  0.000728  3.)  6 271 973 000 000

REMEMBER! The essence of Math education is to make complicated things simple, not the other way around.

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