Opportunity Classes (OC) are located in NSW's government primary schools cater for academically gifted Year 5 and Year 6 students with high potential. Students seeking entry to an opportunity class should sit the Opportunity Class Placement Test held in designated test centres each year. The test consists of three sections: Reading, Mathematical reasoning, and Thinking skills. This is a mock Thinking Skills Paper. Students are challenged with commonly used question types that require not only a strong mathematical foundation, but also good critical thinking and reasoning skills, and sound problem-solving techniques.