We brought you the thinking methods and key questions
that frequently appear in the matchstick quiz that were not covered in Part 1.
I hope that our subscribers will improve their thinking skills and
eventually become comfortable with math so that they can look at difficult problems.
The first one that wasn't covered in the previous episode!
This is the matchstick equation problem with negative numbers.
By moving one matchstick of 7, you make -1.
Because natural numbers and positive numbers are natural to us, we don't often think of negative numbers and fractions.
Of course, the idea that natural numbers and positive numbers will come out of a problem
is used as a trap in difficult problems.
In addition to matchstick problems, it often appears in discrimination questions in high school mathematics.
It's the same type of problem, but the space on the right side has been narrowed. I used 1 on purpose.
Therefore, it is not easy to think of making -1 by inserting a matchstick into that space.
‘That place is narrow and uncomfortable.’ ‘Is there anything more comfortable and natural?’
These thoughts limit our thinking.
When it comes to math problems, the test takers don’t just make it easy and good.
Difficult problems or discrimination questions are almost always uncomfortable and awkward.
It is always recommended that you practice training to improve thinking flexibility.
Most people create a square by moving two matchsticks.
When I first found out, I thought it was really ingenious.
I had no choice but to choose this question
because I wanted students to be exposed to a variety of ideas.
This is a problem that improves understanding of the area of squares and triangles.
This is the principle of area that is often used in advanced mathematics from the beginning of learning about shapes.
After seeing the problem, I naturally picked up the pen.
I'm afraid that they won't want to think because they have to move five matchsticks,
but the intent of the question is so good that I can't leave it out.
Make 3 shapes of the same shape!
This is a problem that helps develop geometric thinking.
A thought suddenly occurred to me: It's not like young people these days have never seen matchsticks, right?
Next time, I will bring another good problem or a good math story from history.
thank you
Matchstick problem collection 2
https://www.youtube.com/playlist?list=PLMfxQvqV8_7NoJcyVH5M4XMNxGdXXasSk
math puzzle | 두뇌 계발을 위한 30초 아이큐 게임 | 두뇌 훈련
Have fun thinking. | 즐거운 사고의 시간을 가져보세요. 수학 응용력이 떨어지는 학생, 신유형을 잘 못 푸는 학생은 수학적 사고력을 높이는 훈련이 필요합니다. 숫자와 친해지면 다양한 생각을 해보
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