The description
Material A subject weighing kg, a subject weighing g, household bathroom scales, pharmaceutical scales or scales of day of experiments on physics with weights in grams, baskets with subjects of different weight big for large subjects of kg, pencils, paper.
The description of work The teacher gives to the child in a hand subjects weight in gram and kilogram.
When the kid feels a difference, the teacher explains that in kg one thousand grams the concept one thousand is already familiar to the child.
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