Volume & capacity exercises, Exercises of Mathematics

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262 VOLUME AND CAPACITY (Chapter 12) OPENING PROBLEM Consider the cylindrical glasses A and B. Pedro says that both glasses hold the same amount, since glass A is twice as wide as glass B but only half as high. Things to think about: 1 Do you agree with Pedro’s reasoning? 2 If not, which glass do you think holds more? 8em We measure volume in cubic units. The volume of a solid is the amount of space it occupies. For example, we could use: e cubic millimetres (mm*) e cubic centimetres (cm*) e cubic metres (m?) We can see from the diagrams following that one cubic centimetre occupies the same space as one thousand cubic millimetres. This is one cubic centimetre. This is one cubic millimetre. lem =10mm This is one thousand cubic millimetres. 10 mm 10 mm x 10 mm x 10 mm = 1000 mm* 710 mm Likewise, 1 m?=100cm x 100cm x 100cm = 1000000 cm?