noun
workbook; exercise book; study notebook
A notebook or workbook used for study, often with exercises or practice problems. Common in educational contexts.
新学期なので、新しい学習帳を買った。
Since it's a new semester, I bought a new workbook.
この学習
This workbook contains many kanji practice exercises.
問題集 is a collection of problems or exercises, often without blank spaces for writing answers, whereas 学習帳 typically provides space for writing.
Compound of 学習 (がくしゅう, 'study, learning') and 帳 (ちょう, 'notebook, ledger').