Teaching Method of the Summation Formulas Focused on the Difference

Released on J-STAGE: May 16, 2021 | Volume 60 Issue 3-4 Pages 91-98

SAWADA Yuki

On the Histrical Name of Each place of Decimal Number

Released on J-STAGE: August 14, 2020 | Volume 21 Issue 1-2 Pages 15-33

SUSUMU OKABE

[title in Japanese]

Released on J-STAGE: September 11, 2020 | Volume 9 Issue 3-4 Pages 4-9

How to Teach the Definition of Variance

Released on J-STAGE: October 10, 2022 | Volume 62 Issue 1-2 Pages 71-85

Yuki SAWADA

On Task-based Learning in a Junior High School Based on a Heronian Triangle

Released on J-STAGE: October 10, 2022 | Volume 62 Issue 1-2 Pages 97-110

Koichi ARIMOTO, Takashi MATSUOKA