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These activities are designed to be viewed on a 17-inch screen and with a resolution of 1024 x 768 pixels because some windows show measurements in centimetres and millimetres that, when viewed with another configuration, won't correspond with reality; and the size of some windows can even be too big. This unit only deals with a basic knowledge on length, volume and weight units, as studied in primary school. It does not deal with the other units of the International System. Moreover, the student should perform measurements with household measurement devices in order to learn and get used to handling measurement units. This cannot be done on the computer.
KNOWLEDGE TYPE: conditional
PRIOR KNOWLEDGEThe contents are explained in previous course
LEARNING OBJECTIVESTo know that there are other measurement units previous to the metrical system, some of them still being used. To value the importance of having a well-structured measurement system, that facilitates commercial exchange, and enables more accurate measurements, indispensible in the research of physical phenomena and technical progress. To learn the concepts of metre, litre, kilogram, its multiples and submultiples. To reinforce confidence and skills in unit conversion. To practice the measurement of short distances in centimetres and millimetres, getting an accurate measurement and expression of the value.
The use of the following contents is universal, free of charge and open, provided that it is for non-commercial educative use. The actions, products and utilities derived from its use may therefore not generate any profit. Moreover, a reference to the source is required.
Installation is not required
Install and enable the Java interpreter and Plug-in of the Applet Descartes on local
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