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The fourth gift the cube of the same sizes dividedon eight tiles the cube is halved,and each half on four extended tiles,the length of each of which is equal to the cube party, thicknessit is equal the one fourth this party.
Possibility of construction combinations in thiscase considerably extends with additioneach new gift former, with which childalready accustomed, certainly, are not withdrawn.
MOST POPULAR TECHNIQUES OF EDUCATIONThe fifth gift a cube divided on twentyseven small cubes, and nine of them are dividedon smaller parts.
The sixth gift the cube which has been also divided on twentyseven cubes, many of which too are dividedon a part on tiles, on a diagonal etc.
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