Changes

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millimeter.
 
millimeter.
 
====Affordances of the activity====
 
====Affordances of the activity====
* Students can measure the length of an object (pen, pencil, phone
+
* Students can measure the length of an object (pen, pencil, phone portable).
portable).
   
* Students can measure an angle formed by two rods for example.
 
* Students can measure an angle formed by two rods for example.
 
* Students can calculate the areas of squares, rectangles on a grid.
 
* Students can calculate the areas of squares, rectangles on a grid.
* Students can use grid sheets to make plans and draw
+
* Students can use grid sheets to make plans and draw graphics.
graphics.
   
====Degree of centrality of the activity====
 
====Degree of centrality of the activity====
 +
<image 5/5>
 +
 
Measuring length and angles, the calculation of areas and perimeters of squares and
 
Measuring length and angles, the calculation of areas and perimeters of squares and
 
rectangles are skills required for students in the fourth grade. The use
 
rectangles are skills required for students in the fourth grade. The use
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screen for measuring angles formed by two rods, two pens.
 
screen for measuring angles formed by two rods, two pens.
 
====Application pédagogique 2====
 
====Application pédagogique 2====
====''Discover formulas perimeter and area, use these formulas to make
+
====''Discover formulas perimeter and area, use these formulas to make calculations''====
calculations''====
   
''Level (s)'': 4th grade of primary
 
''Level (s)'': 4th grade of primary
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the Journal. It is therefore possible for the teacher to put it on a USB key, to
 
the Journal. It is therefore possible for the teacher to put it on a USB key, to
 
transfer the file to a computer linked to a printer and to print.
 
transfer the file to a computer linked to a printer and to print.
 +
 
===Memorize Activity===
 
===Memorize Activity===
 
====Activity Summary====
 
====Activity Summary====