Oak cuboid

Oak timber is rectangular shaped with 2 m, 30 cm, and 15 cm dimensions. Its weight is 70 kg. Calculate the weight of 1 dm³ of timber.

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

solid geometry

cuboid

Units of physical quantities

mass
unit conversion
density
volume

Grade of the word problem

practice for 11 year olds
practice for 12 year olds

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