@article{oai:naruto.repo.nii.ac.jp:00028110,
 author = {宮口, 智成 and 金児, 正史 and 成川, 公昭 and MIYAGUCHI, Tomoshige and KANEKO, Masafumi and NARUKAWA, Kimiaki},
 journal = {鳴門教育大学研究紀要, Research bulletin of Naruto University of Education},
 month = {Mar},
 note = {In Naruto University of Education, "Junior Doctor Program" (JDP), which is supported by Japan Science and Technology Agency (JST), has given many scientific lessons since 2017. The number of students took this program amounts to forty ; they are all selected from schools in Tokushima Prefecture, and in Grades 5 to 7. In this paper, we describe the contents of the mathematics lessons held in the latter half of 2017, and present the students' considerations and activities in these lessons. Using equilateral triangle prisms, square prisms and cylinders, the students made nets of solid figures, that are of equilateral triangular shape. After that, they made steelyards with bars, strings and weights. Through the activities of making the steelyards, the students found that " (the distance from the fulcrum to the point a weight is hung) times (the mass of the weight)" are the same for both the weights, if the steelyard is balanced ; in other words, they realized experimentally the principle of leverage. Then, in the subsequent lessons, we mathematically proved this finding. Throughout the lessons, the students participated these mathematics lessons tried continuously to find the properties of the solid figures and the steelyards by themselves. Moreover, they always discussed their findings with the others and tried to convey their ideas.},
 pages = {50--57},
 title = {徳島県高等教育機関連携型「ジュニアドクター発掘・養成講座」における数学領域の指導の実際 : 立体模型づくり，さおばかりづくり，さおばかりの原理の証明},
 volume = {34},
 year = {2019},
 yomi = {ミヤグチ, トモシゲ and カネコ, マサフミ and ナルカワ, キミアキ}
}