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)
— often found in exercises requiring students to match containers/quantities with products. angliiskii iazyk 4 klass rabochaia tetrad 1 biboletova
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". Students often study "piece" alongside other containers and