For step-by-step solutions to specific exercises, platforms like Skysmart Solutions provide digitized answer keys for both the textbook and the workbook.
Английский язык 4 класс 2017 2018 - Calaméo angliiskii iazyk 4 klass rabochaia tetrad 1 biboletova
Students often study "piece" alongside other containers and quantities used for shopping: (juice/water) A bottle of (water) A box of (chocolates) A bag of (sweets) A cup of (tea) For step-by-step solutions to specific exercises
— 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
— often found in exercises requiring students to match containers/quantities with products.
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".