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PISA Assessment

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Diagram showing apple trees arranged in a square pattern surrounded by conifers, illustrated for n=1, 2, 3 and 4 rows of apple trees

Apples

3 questions

A farmer plants apple trees in a square pattern. To protect them from the wind, he plants conifers all around the orchard. The diagram shows the pattern for any number (n) of rows of apple trees.

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Line graph showing average height in cm vs age in years for young males and females in the Netherlands in 1998, with two curves crossing around age 11-13

Growing Up

3 questions

In 1998 the average height of both young males and young females in the Netherlands is represented in this graph. The horizontal axis shows age in years (10–20), and the vertical axis shows height in cm (130–190).

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Line graph of racing car speed (0–180 km/h) vs distance along a 3 km track, showing speed changes through bends and straight sections

Speed of a Racing Car

3 questions

The graph shows how the speed of a racing car varies along a flat 3 kilometre track during its second lap. The horizontal axis shows distance along the track in km, and the vertical axis shows speed in km/h.

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Footprints of a man walking, with pacelength P marked as the distance between the rears of two consecutive footprints

Walking

2 questions

The picture shows the footprints of a man walking. The pacelength P is the distance between the rears of two consecutive footprints. For men, the formula n/P = 140 gives an approximate relationship between n and P where: n = number of steps per minute P = pacelength in metres

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