Practise the thinking. Keep the judgement.
AMC problem solving strategies for secondary contest papers
AMC problem solving strategies for secondary contest papers | RubricMark
AMC problem solving strategies for the Australian Mathematics Competition — diagrams, cases, estimation, integer checking and attempt-first mistake review.
Related practice
RubricMark is the AI — practice questions first. Ronri is exam prep on iPhone. Optional timed sits cover JLPT, OET, GAMSAT, LNAT, TARA, and AU selective papers. Marks after you write.