Hands of a clock II 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Working with Students Further Resources This task is about identifying times on a clock. What is the time if the large hand of the clock is always pointed at the 12, and the hands of the clock make different angles? Question 2Change answer a) 180°? o'clock Question 2Change answer b) 90°? o'clock Question 2Change answer c) 60°? o'clock Question 2Change answer d) 30°? o'clock Task administration: This task can be completed with pencil and paper or online (with auto-marking displayed to students). Level: 4 Curriculum info: Maths, Geometry and Measurement, Shape Keywords: angles, problem solving, analogue time Description of task: Students identify the time on a clock face when given the angle that the hands make and the position of the minute hand. Answers/responses: Y8 (11/1998) a) 6 moderate b) 3 or 9 moderate c) 2 or 10 moderate e) 1 or 11 moderate Diagnostic and formative information: Common error Likely reason a)-d) 11, 8, 7, 6 Position of minute hand if hour hand points directly to 5. a)-d) 5:55, 5:10, 5:15, 5:10 or 5:55, 5:40, 5:35, 5:30 Time if hour hand points directly to 5 at the given times. a)-d) 5:30, 5:15, 5:10, 5:05 Time when angle is from minute hand and line to 12. a)-d) 12:30, 12:15, 12:10, 12:05 Time if hour hand points at 12 exactly at the given times. Work schedule Starting and finishing Cross country finishing times
