2021 academic year · April Grade 12 national joint academic assessment · Mathematics
Common 22 + 8 per elective · Original Korean questions and official answers
Read original questions and check official answers. Work through a full exam or choose a free edition for the way you want to study.
24 exams · 1,104 questions
Choose an examChoose the common section and one elective. A complete sitting has 30 questions, 100 points and 100 minutes.
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
Common 22 + 8 per elective · Original Korean questions and official answers
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Study layout · one column · 690 questions · 455 pages
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Study layout · one column · 184 questions · 95 pages
Exam layout · two columns · 184 questions · 39 pages
Open the unit you want to practise. Every unit uses edition C, with questions and official answers.
Study layout · one column · 95 questions · 40 pages
Exam layout · two columns · 95 questions · 23 pages
Study layout · one column · 80 questions · 52 pages
Exam layout · two columns · 80 questions · 26 pages
Study layout · one column · 95 questions · 45 pages
Exam layout · two columns · 95 questions · 23 pages
Study layout · one column · 61 questions · 40 pages
Exam layout · two columns · 61 questions · 24 pages
Study layout · one column · 93 questions · 36 pages
Exam layout · two columns · 93 questions · 19 pages
Study layout · one column · 25 questions · 17 pages
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Study layout · one column · 72 questions · 37 pages
Exam layout · two columns · 72 questions · 19 pages
Study layout · one column · 97 questions · 42 pages
Exam layout · two columns · 97 questions · 20 pages
Study layout · one column · 53 questions · 34 pages
Exam layout · two columns · 53 questions · 16 pages
Study layout · one column · 32 questions · 20 pages
Exam layout · two columns · 32 questions · 12 pages
Study layout · one column · 10 questions · 9 pages
Exam layout · two columns · 10 questions · 6 pages
Study layout · one column · 64 questions · 42 pages
Exam layout · two columns · 64 questions · 25 pages
Study layout · one column · 65 questions · 33 pages
Exam layout · two columns · 65 questions · 18 pages
Study layout · one column · 30 questions · 19 pages
Exam layout · two columns · 30 questions · 12 pages
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Exam layout · two columns · 97 questions · 30 pages
Study layout · one column · 55 questions · 33 pages
Exam layout · two columns · 55 questions · 17 pages
Study layout · one column · 40 questions · 32 pages
Exam layout · two columns · 40 questions · 18 pages
Study layout · one column · 15 questions · 12 pages
Exam layout · two columns · 15 questions · 10 pages
Study layout · one column · 9 questions · 11 pages
Exam layout · two columns · 9 questions · 8 pages
Study layout · one column · 16 questions · 16 pages
Exam layout · two columns · 16 questions · 13 pages
Choose Foundations, Connections or Advanced. These are Aldus editorial categories based on solution complexity, rather than measured candidate performance.
Study layout · one column · 471 questions · 146 pages
Exam layout · two columns · 471 questions · 73 pages
Study layout · one column · 395 questions · 242 pages
Exam layout · two columns · 395 questions · 100 pages
Study layout · one column · 238 questions · 185 pages
Exam layout · two columns · 238 questions · 82 pages
The questions are used with permission, and copyright belongs to each examining institution. Aldus Libris edits these free learning editions and writes its own explanations. The editions do not imply institutional endorsement.
Each PDF lists its included exams on the copyright page. Questions, concept lessons and explanations are in Korean. The explanations are written with the help of AI tools, and answers are checked against official keys.