Lembaran PBD Year 1, 2, and 3 is designed to meet Pentaksiran Bilik Darjah (PBD) requirements, aligned with the Dokumen Standard Kurikulum dan Pentaksiran (DSKP). It covers Performance Levels 1 to 6, follows textbook units, incorporates PAK-21, HOTS, i-THINK, and Language Arts concepts, and includes summative assessments to evaluate students' overall performance.