Conceptual understanding of arithmetic operations and educational supports

本研究考察了小学数学中加、减、乘、除四种基本算术运算的学习任务。本研究进行了多项实证研究，阐明了小学生如何理解这些算术运算，以及他们如何在小学阶段发展他们的概念理解。本研究提出一些国小学童教育支援的方法。

The present study examined children's learning tasks for the four basic arithmetic operations, addition, subtraction, multiplication, and division in elementary mathematics. It conducted several empirical researches and clarified how elementary school students understand these arithmetic operations and how they develop their conceptual understanding through the elementary school period. The present study proposed some methods of educational supports for elementary school students.