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Numbers, units and arithmetic
Numbers, units and arithmetic

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1.7.1 Try some yourself

Activity 9

The diagram below shows an oatmeal cake marked into 12 equal portions. I want to give my sister a third of the cake. Where could I cut the cake, and what would be left over?

Answer

(There are several other ways of cutting the cake into one-third (4 portions) and two-thirds (8 portions).)

Activity 10

Which two of the following fractions are equivalent to each other?

Answer

Only and are equivalent fractions, since .

(Notice that neither , which is , nor , which is , are equivalent to .)