The cube

The cube has a 25 cm edge. We cut it into small cubes with 5 cm long sides. How many of these little ones are left when we build a new cube of 20 cm in length?

Your answer:

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You need to know the following knowledge to solve this word math problem:

arithmetic

division

solid geometry

cube

Units of physical quantities

volume

Grade of the word problem

practice for 11 year olds
practice for 12 year olds

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