A: Be extremely careful. Large language models are notoriously bad at multi-step Primary 5 heuristics problems involving diagrams (volume of irregular solids, overlapping shapes). They frequently give the correct formula but miscalculate the units. Trust the official teacher’s key or a human tutor for verification.
: Specific "Teacher's Edition" workbooks contain the complete answer keys and are available through educational publishers like Modern Educational Research Society (MERS) . Modern Primary Mathematics Workbook 5d Answers