PISA 2012 Released Items
Question 3: HELEN THE CYCLIST
PM957Q03 – 0 1 9
Helen rode her bike from home to the river, which is 4 km away. It took her 9
minutes. She rode home using a shorter route of 3 km. This only took her 6 minutes.
What was Helen’s average speed, in km/h, for the trip to the river and back?
Average speed for the trip: .................... km/h
HELEN THE CYCLIST SCORING 3
QUESTION INTENT:
Description: Calculate average speed over two trips given two distances
travelled and the times taken
Mathematical content area: Change and relationships
Context: Personal
Process: Employ