副ふく教きょう材ざい

noun

supplementary teaching material; supplementary educational resources

Refers to additional materials used alongside a main textbook, such as workbooks, handouts, or digital resources.

• この教きょう科か書しょには副ふく教きょう材ざいとしてワークブックが付ついています。

  This textbook comes with a workbook as supplementary material.