1.
workbook, problem set, exercise book
A book containing practice problems or exercises for study, typically used for test preparation or skill building.
問題集を解く。
To work through a problem set.
試験対策のために問題集を買った。
I bought a workbook for exam preparation.
この問題集には解説が詳しく載っている。
This workbook has detailed explanations included.
問題集 is a book of practice problems used for study and test preparation. The word combines 問題 (problem/question) and 集 (collection).
COMMON PATTERNS:
- 問題集を解く (to work through a problem set)
- 問題集を買う (to buy a workbook)
- 〜の問題集 (workbook for ~, e.g., 数学の問題集)
COMMON TYPES:
- 過去問題集/過去問: past exam question collection
- 演習問題集: practice exercise book
- 入試問題集: entrance exam workbook
USAGE:
Central to the Japanese study culture of repeated practice (反復練習). Students commonly buy 問題集 for specific exams or subjects. Many come with separate 解答解説 (answer explanations) booklets.
RELATED TERMS:
- 参考書: reference book (explanations, not just problems)
- 教科書: textbook