Problems about exploring and noticing structure for use with Stage 3 and 4 students.
Problems about working systematically for use with Stage 3 and 4 students.
Problems about thinking strategically for use with Stage 3 and 4 students.
Problems about posing questions and making conjectures for use with Stage 3 and 4 students.
Problems about mathematical modelling for use with Stage 3 and 4 students.
Problems about reasoning, justifying, convincing and proof for use with Stage 3 and 4 students.