Cambridge International Mathematics

240 Mensuration (solids and containers) (Chapter 11)

VOLUME UNITS CONVERSIONS

Example 7 Self Tutor

Convert the following: a 5 m^3 to cm^3 b 25 000mm^3 to cm^3

a 5 m^3

=(5£ 1003 )cm^3

=(5£1 000 000)cm^3

= 5 000 000cm^3

b 25 000mm^3

= (25 000¥ 103 )cm^3

= (25 000¥1000)cm^3

=25cm^3

EXERCISE 11B.1

1 Convert the following:

a 8 : 65 cm^3 to mm^3 b 86 000mm^3 to cm^3 c 300 000cm^3 to m^3

d 124 cm^3 to mm^3 e 300 mm^3 to cm^3 f 3 : 7 m^3 to cm^3

2 1 : 85 cm^3 of copper is required to make one twenty-cent coin. How many twenty-cent coins can be

made from a cubic metre of copper?

3

VOLUME FORMULAE

Rectangular prism or cuboid

Volume=length£width£depth

m^3 cm^3 mm^3

̧1¡000¡000

́1¡000¡000 ́1000

̧1000

length

width

depth

A toy store has 400 packets of marbles on display, and each

packet contains 80 marbles. There are 850 mm^3 of glass in

each marble. Find the total volume of glass in the marbles on

display, giving your answer in cm^3.

IGCSE01

cyan magenta yellow black

(^05255075950525507595)
100 100
(^05255075950525507595)
100 100
Y:\HAESE\IGCSE01\IG01_11\240IGCSE01_11.CDR Thursday, 25 September 2008 3:40:49 PM PETER