# She explained why the leaders of the Ministry of Education had to speak up

A parent in Japan shared a math problem and suggested that the teacher might have graded her child wrong. It is worth mentioning that this problem is not a sublime calculation, but simply addition, subtraction, multiplication and division for elementary school students. However, its answer has caused a lot of controversy in the Japanese mathematical community.

In the two calculations given by the teacher, the primary student who correctly answered the first question was 4.8 + 3.5 = 8.3. However, in questions 7-2, 3.9 + 5.1 = 9.0 is considered a wrong answer. The teacher gives a score for explaining to students that the correct answer should be 9 not 9.0. In principle, if there is a zero after the comma, there is no need to write it in.

However, this result caused fierce controversy among netizens. They think 9 or 9.0 makes no difference. Such a grading method will disadvantage students and make mistakes unnecessarily. The incident was so tense that a leader of this country’s education sector had to explain: “The current writing of 9.0 is against the Japanese curriculum and grading is at the discretion of the teacher in charge,” this person said.

However, contrary to the government’s view, educators believe that “Education in Japan is too rigid. Traditional, inflexible education harms students’ creativity”. And Japanese mathematician Kenichiro Mogi criticized the Japanese education system that: “Things like this are tantamount to riddles with children.”

Meanwhile, a similar Math problem, but in China, when students don’t put zero after the vertical calculation, the teacher gives the wrong grade. Specifically in the teacher’s question “7.5 – 2.5 = ?”, the student gave the answer as “5”, but the teacher did not think that was correct and crossed out the wrong answer. of students.

Suspecting the teacher to be mistaken, this mother called to ask for the reason. The teacher then sent back the prototype of the problem that the teacher posed in the request, stating that the number after the decimal point should be kept. So the correct answer of this problem should be “7.5 – 2.5 = 5.0” not “5”.

Many people think that, in fact, Mathematics is Mathematics, the original purpose is to train children’s calculation skills, not to practice reading comprehension ability, there are many ways to increase interest, no need to choose sentences. ask “set traps” and confuse the child.

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