If the child
Gradually pass to more exact definition one whole, one second.
If the child asks, why a circle of an obozn one is hoped as whole, explain that one means whole part and one second that is fractional part and so on.
Solve examples with transition through an integer obya zatelno show the decision by means of figures + = = ; = .
Ask the child, what identical details it is possible to lay out a half of a circle let will find everything cook Anta.
And what details it is possible to lay out part of Crewe hectare?
And to what other shares will equal , , ?
.