In the context of food shopping (Unit 6, Section 3), "piece" is used to describe portions of food: — used to mean "a slice of cake".
— appearing in reading dialogues, such as Miss Chatter offering "a nice piece of bread and butter". Related Vocabulary (Unit 6) angliiskii iazyk 4 klass rabochaia tetrad 1 biboletova
Английский язык 4 класс 2017 2018 - Calaméo In the context of food shopping (Unit 6,