PISA 2012 Released Items
Description: Use Pythagorean theorem or accurate use of measurement to find
hypotenuse of a right triangle and convert measures on a scale drawing
Mathematical content area: Space and shape
Context: Occupational
Process: Employ
Full Credit
Code 2: From 4.5 to 4.55.
[m or metres – with or without units.]
Partial Credit
Code 1: Responses which indicate some correct working (such as use of
Pythagoras or reading the scale) but with an error such as incorrect use of
the scale or a miscalculation.
•
From 9 to 9.1.
[Did not use the scale.]
•
2.5 m (or 5 units).
[Used Pythagoras to calculate hypotenuse of 5 units (2.5
metres) but did not add on the two straight sides.]
No Credit
Code 0: Other responses.
Code 9: Missing.
Question 2: ICE-CREAM SHOP
