PISA 2012 Released Items
Full Credit
Code 1: C. She left off the last digit in one of the prices.
No Credit
Code 0: Other responses.
Code 9: Missing.
Question 3: MP3 PLAYERS
PM904Q03
Music City has a sale. When
you buy
two or more
items at the sale, Music City
takes
20%
off the normal selling prices of these items.
Jason has 200 zeds to spend.
At the sale, what can he afford to buy?
Circle “Yes” or “No” for each of the following options.
Items
Can Jason buy the items with 200
zeds?
MP3 player and the headphones
Yes / No
MP3 player and the speakers
Yes / No
All 3 items – the MP3 player, the
headphones and the speakers
Yes / No
MP3 PLAYERS SCORING 3
QUESTION INTENT:
Description: Decide whether a known monetary amount will be sufficient to
purchase a selection of items at a given
percentage discount
Mathematical content area: Quantity
Context: Personal
Process: Interpret
Full Credit
Code 1: Three correct responses: Yes, Yes, No, in that order.
No Credit
Code 0: Other responses.
Code 9: Missing.
PISA 2012 Released Items
Question 4: MP3 PLAYERS
PM904Q04
The normal selling price of the MP3
items
includes
a profit of 37.5%. The price
without this profit is called the wholesale price.
The profit is calculated as a percentage of the wholesale price.
Do the formulae below show a correct relationship between wholesale price,
w
, and
normal selling price,
s
?
Circle “Yes” or “No” for each of the following formulae.
