Saturday, 16 March 2013

Class Reflection = 11th March 2013



In this meeting, we watched some video. From that video, we must make a reflection. Not only that, we also need to identify the video, whether that video is showing an innovative way of learning or the traditional one.

1.    What you know abot math?

I think this video is one kind of innovative way of learning. Why? Because this video not only tell us, as a viewer, about math, but this video is seems like an interactive video. It make an interaction with the viewer through a song with tittle “What You Know About Math”. In other words we can say that this video is like a facilities for us to learn more about mathematics.

This Video, show that math is about plus (+), minus (-), multiply (x), or divide (÷). Not only about significant figures or trigonometry. But math is also about how we use a calculator to calculate the value of ln(x) ,  , or to simplify. Even our test’s score is also a math.

Time we spend when we are waiting, the weight of the bag that we are holding, they are also math. We know all about math, I know all about math, because everything in our surrounding is a math J



2.    The relationship of degree and radian

I think this video is a kind of the traditional way of learning, because this video is just like a teacher tell about degree and radian, there is no interactive side of this video. Ok, they (the video maker) try to make some interesting or even a funny part, like when the cast of the video lay in the chair and say "welcome back to the class" and then suddenly they act they are swimming. Maybe some people think that "oh it's funny" or it's something that entertain. But in my oppinion, it's very absurd thing.

This video is tell about definition of degree, definition of full revolution in a clock, definition of radian, how we measure a degree with a radian ( or in other word how we convert a degree to radian and vice versa)

Beyond the fact that this video is boring ( at least it's boring in my oppinion), fortunately there are still some part of this video that a little interesting. Like the part when they show a 90o or 180o with a jet trajectory. It's can make the student, as a viewer, easier to understand about the material.



3.    Limits by inspection

Like the second video, this video is a kind of traditional way of teaching. Although is not absurd like the second video, but it's still a little boring ( i think). Why? Because there is nothing interactive side or even an interesting part in this video. When you watch this video is like you are in the class watching your teacher explain about limits, you are just sitting in silence.

Overall this video show about how to calculate the value of limit using a shortcut. We use this shortcut to save our time in the test and of course is easier to calculate when we use this shortcut method.

If we are want to use this shortcut, there are two conditions that must be fullfilled. That are :

a.                   X is approaching (goes to) infinite positive or infinite negative

b.                   Limit



There are three kind of shortcut.

a.       If the biggest power of X in numerator is greater than the biggest power of X in denominator, then the value of limit is infinite (∞)

b.      If the biggest power of X in numerator is less than the biggest power of X in denominator, then the value of limit is zero (0)

c.       If the biggest power of X in numerator and the biggest power of X in denominator is the same, then the value of limit is with  is a constanta of the biggest power of X in numerator and   is a constanta of the biggest power of X in denominator.



4.    Finding the Golden X

The fourth video is how to finding X in equation with shortcut method ( or usually called as Golden X method ). I think this video is still one kind of video that show us a traditional way of learning. Even i think that the explanation in this video is very boring.

Why? Because this video is just showing someone explain about how can we finding X in equation through some method like add any constanta or whether get variable in each side.

Although the way of explanation in this video is very boring, but actually the material is very useful and interesting.



5.    Integer

The next video is explain about integer. In my own thinking, this video is a combination between innovative way of learning and the traditional way of learning. Because sometimes, this video show us an interactive side and an interesting part, but the other time it just like a teacher who give explanation to their student.

Integer is a whole number plus the negative of whole number. We know that whole number can’t be negative, so when we say that integer is a whole number plus the negative of whole number it means that integer is consist of positive number, negative number, and also zero.

This video is not only explain about the definition of integer , but also explain about number line. Then, what is number line? Number line is a vertical or horizontal line that have a marked in every internal, number line has no end.

We also get explanation about unit digits,tens, hundreds, thousands, and so on, in this video. And the explanation about this is showed in very interesting way. They show about unit digits and it’s friends, using a door animation (this is one of interesting part that i think can make this video as an innovative one).



6.    Exponent

I can say many oppinion about this video, but i can make sure that this is show one of a traditional way of teaching. Why? Yeah, it’s just like the other reason. This video just showing someone explain about exponent without giving any interactive or interesting part (well, it’s just just my oppinion, although i’m sure that most of you agree with me).

Essence of this video is how to calculate the value of the exponent, that’s all.



7.    Function

The last video is about function. Function is relation that consist of equalities and inequalities. In a function there are two variables, that is x and  y. In function y is must be by it self. When you already know the value of x, then you can find the value of y.

All that explanation, can we get while we are watching this last video. Overall the material in this video is useful ( actually all material in all the video that we watch, is very useful, i think) but again and again, i must say that the explanation in this video is very boring and this video is obviously one of a traditional way of learning.

Sunday, 10 March 2013

Class Reflection = 4th March 2013


English is to translate and to be translated, to reflect and to be reflected. In greek terminology, it's called hermeneutics. The nearest meaning of hermeneutics is silaturahim. So the best way to learn english is using a silaturahim method.
What kind of silaturahim that can we doing? many kind of silaturahim that we can doing, for example are silaturahim to bbc, silaturahim to library, silaturahim to encyclopedia,silaturahim to electronic dictionary, silaturahim to Mr.Marsigit, silaturahim to Mr.Marsigit's blog etc.
Silaturahmi is not only in learning english or mathematics, but also in learning attitude and the others like physics, biology, chemistry, and even in learning society's fenomena and sociology.

In the class we should understand the aspect of teaching and learning mathematics. First we need to understand of inovative teach learn math. As an innovative teacher, we must know that there are many kind/definition of mathematics, not only one kind of math. Everyone can products or make their own definition of mathematics. There are definition based on Aristoteles, Plato,etc.
So theoritically the number of math is the same as the people think of math. But mainly we can divide math in two categories, that are school/realistic/concrete mathematics and formal/axiomatic mathemathics.

Some people describe mathematic as a beautiful thing, but it's different with description of mathemathics in children mind. So, we can not say that mathematics is a beautiful thing, because everyone's opinion is different, especially children.The beautiful math can be a very scary math to children.
This can be seen from the reality that looking for children who love math is hard, but look for children who are learning math can be found everywhere.

Monday, 4 March 2013

Class Reflection = 25th February 2013


There are two methods of teaching, that are traditional methods and innovative approach (modern) methods of teaching learning mathematics.
The first one is traditional methods
In this method the teacher behave as if he/she is one and only one sources of learning math, and the student is to be precept as ‘tong kosong’. The teacher think that they should give and transform their knowledge to the student, so its also called as transfer of knowledge methods.
The second method is innovative approach (modern) methods
This method is like a growing tree. The important component of this method is to facilitate, the teacher is facilitate the student. In order to facilitate the student, teacher need tools or technology, one of them is online/web blog.
In order that we are develop, we need to have understanding about the nature of math (school math) , the nature of student learn math, the nature of all aspects of teaching learning process,etc.
 The nature of school math totally different with formal (axiomatic/pure) mathematics.
1.      School math is a search of pattern
2.      School math is an solving problem
3.      School math is communication
4.      Etc.
Obligatory, teaching mathematics in school is use school mathematics. Meanwhile, the formal/axiomatic mathematics is used in university.
We can find all this material in Mr.Marsigit’s blog
(
http://powermathematics.blogspot.com )

Monday, 25 February 2013

Class Reflection = 11th & 18th February 2013



11th February 2013,the first english lesson in second semester.
The first meeting with Prof.Dr.Marsigit,M.A was a moment where spent almost an entire hour lesson to know each other. Beside told us about himself and his family, Mr. Marsigit also told us about "what will and we need to do in this english lesson?"  Many things that we will and need to do, one of them is needed to make a reflection. Our reflection must contain what happen or what are we doing in the classroom. The purpose of this reflection is to check our understanding about the lecture.
From this first meeting, there are two quotes from Mr. Marsigit that most impressive for me. "Construct your own concept to improve your life" and "It's better get a mistake when doing something, than doing nothing."

18th February 2013, the second lesson with Mr. Marsigit
In this lesson, we mostly talk about the perception of Mr. Marsigit. One of his perception is 'language is life'. If we want to master the language well, the best way is using life approach ( or sosiology approach ) that include movement, effort, writing, listening, talking, reading, understanding, etc. Mr. Marsigit also stressed out that we must construct our own concept. Not only that, mr.marsigit also said that if we want to get good experience, then we must have a good will, attitude, and develope our knowledge and skill. If we describe that statement into a scheme, it would be like this
Good will + attitude + knowledge + skill = experience
One of valuable things that i could learn and get from Mr.marsigit that is "myself is the one who improve my english ability." It means that i need to leave my old ways in learning. I must be an active student who not only received knowledge from teacher but also searching my own knowledge. I also must keep praying because it is the foundation of will, and good will can help us to get a best experience. Last but not least I have to be myself, not rely on the others.

Sunday, 24 February 2013

Pembelajaran Matematika Seperti Apa yang Kita Harapkan di SD?



What Kind Of Mathematics Learning That We Expect In Elementary School?
By : Prof. Dr. Marsigit, M.A
Reflection By : iLania Eka Andari

I agree with the statement that teachers in Indonesia need to change their way of teaching, especially how to teach math to elementary school students.

Different from elementary school children in other countries, elementary school children in Indonesia tend to be afraid and hate towards mathematics. One of the reasons is,  most of teachers in Indonesia use expository method, the teachers only explain the material, giving formulas to memorize and give question with the answer.

Whereas we know that children in elementary school age learning through direct experience. They can understand the material  with the help of concrete objects. Therefore,  teachers in Indonesia have to change the pattern of mathematics learning that they give to students.

Rather than asking children to memorize that 1/2 is bigger than 1/4 and 1/4 is bigger than 1/5 , is better if we demonstrated with concrete object. Such as we cut pies, apples or other food into halves, fourths, fifths and so on, after that we ask "which one is bigger? Which one is the biggest?" through that experience, children will be easier to understand the material.

With such learning methods, children can learn to analyze a problem, or find a solution, without having crammed with many formulas.

source : powermathematics