- Classroom of [matsuki]: You answer to the question “of theorem of the medium 2 pupils problem of three squares”
http://blog.goo.ne.jp/hps_tokyo/e/de10d755819051f4f7c65bba178b88d6 “Hypotenuse of this when right triangle abc 6cm and acute angle are 15 degrees, the area of this triangle is calculated” and with for this problem which is the problem which is said to be solved, as in the figure under, combination triangle isosceles triangles of one more attaching and 30 degree angles are written the side bc as an axis of line pair name O “Hypotenuse deste quando o ABC 6cm do triângulo direito e o ângulo agudo são 15 graus, a área deste triângulo é calculado” e com para este problema que é o problema que seriam resolvido, como na figura abaixo, triângulos isosceles do triângulo da combinação de um que une e os ângulos de 30 graus são escritos o lado bc porque uma linha central da linha nome dos pares
- Classroom of [matsuki]: When small 6 raw question problems, are made to solve in 3,…
http://blog.goo.ne.jp/hps_tokyo/e/4aae56f5acce3ca7f8f25a6c8613726d Because from this, as for height it understands, that it is half 5cm in hypotenuse, as for the area of triangle poq, 45 ÷ The 2=10 (square centimeter) with it becomes Porque deste, quanto para à altura compreende, que é meios 5cm no hypotenuse, quanto para à área do poq do triângulo, o ÷ 45; Transforma-se o 2=10 (o centímetro quadrado)
- Education theory of [matsuki]: Teaching “the calculation of the reduced drawing” in the public small school, thinking… that 1, a liberal translation
http://blog.goo.ne.jp/hps_tokyo/e/2897f6ae4d289820584381829a7bce5e Because how to think “some 1 of 2km probably being 4cm”, in the first place is not possible, it solves with how to think “some two times the 4cm probably being 2km”, Porque como pensar “algum 1 de 2km provavelmente que são 4cm”, no primeiro lugar não é possível, resolve com como pensar “umas duas vezes os 4cm provavelmente que são 2km”,
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中学入試
Junior high school entrance exam, Education,
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