Material. bars

Material. bars Thus pays attention to that the left ends of a bar lay on one straight line.

When all bars are ordered, the teacher runs a hand over steps of the turnedout ladder.

Numerical bars with plates with x years Purposes acquaintance to quantities , ; ability to see interrelation of quantity and symbols.


bars of the same sizes, as red bars.

They differ in that are divided on red and blue intervals cm long.

The shortest kras Nye bar.

Plates with numbers from to .

The description, the child displays bars in the same poryad ke which was studied on red bars.


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