## For example, the pupil

… circles °, ° °.

If denominators are equal, addition of fractions occurs by simple addition of numerators.

The denominator remains.

The child remembers fractions , it has also material perception, and arithmetic calculation.

With this material it is possible to make uncountable exercises, mastering the account with fractions.

For example, the pupil takes a circle, twopiece, and fills it with figures circle quarters.

It can leave one half, and instead of the second to put two quarters.

Soon he will understand++ ++, and two halves are equal to four quarters The child mentally considers fractions, seeing parts of a circle, and in a condition to express the understanding by means of mathematical record.

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