 | Eric de Corte, Brian Greer, Lieven Verschaffel - 2000 - 232 sider
...man cuts a clothesline of 12 meters into pieces of 1.5 meters each. How many pieces does he get? P9 A man wants to have a rope long enough to stretch between two poles 12 meters apart, but he has only pieces of rope 1.5 meters long. How many of these pieces would he need to tie together to... | |
 | K.P Gravemeijer - 2002 - 326 sider
...one seriously takes into account the realities of the context evoked by the problem statement (eg, ' A man wants to have a rope long enough to stretch between two poles 12 meters apart, but he only has 1.5 meter long pieces of rope. How many of these pieces would he need to tie together to stretch between... | |
 | Dirk de Bock, Wim van Dooren, Dirk Janssens, Lieven Verschaffel - 2007 - 184 sider
...seconds?" (with a picture of a cone-shaped flask shown) (erroneous linear answer: 3 x 4 = 12 cm) • "A man wants to have a rope long enough to stretch...pieces of rope 1.5 meters long. How many of these pieces would he need to tie together to stretch between the poles?" (erroneous linear answer: 12 /... | |
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This flask is being filled from a tap at a constant rate. If the depth of the water is 4 cm after 10 seconds, how deep will it be after 30 seconds? 