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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Base ten blocks ： ウィキペディア英語版 Base ten blocks Base ten blocks are a mathematical manipulative used by students to learn basic mathematical concepts including addition, subtraction, number sense, place value and counting. The student can manipulate the blocks in different ways to express numbers and patterns. Generally, the 3-dimensional blocks are made of a solid material such as plastic or wood and come in four sizes to indicate their individual place value: Units (one’s place), Longs (ten’s place), Flats (hundred’s place) and Blocks (thousand’s place).〔Van de Walle, John (2008). Elementary and Middle School Mathematics: Teaching Developmentally, p. 191. Pearson Education Inc. USA. ISBN 0-205-57352-5〕 There are also computer programs available that simulate base ten blocks. ==Use in mathematics instruction== Base ten blocks are popular in elementary school mathematics instruction. They are frequently used in the classroom by teachers to model concepts, as well as by students to reinforce their own understanding of said concepts. Physically manipulating objects is an important technique used in learning basic mathematic principles, particularly at the early stages of cognitive development. Studies have shown that their use, like that of most mathematical manipulatives, decreases as students move into higher grades.〔Hatfield, Mary M. (1994)."Use of manipulative devices: Elementary school cooperating. " School Science and Mathematics 94.6 (1994): 303-309.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Base ten blocks」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.