count and mass nouns activities - countable and uncountable nouns worksheet

mass noun and count noun activities for grade 1 - 2 … Countable nouns (e.g. trees) represent items we can count with numbers; they can be singular or plural. Uncountable nouns (e.g. sugar or knowledge) are not individual objects and cannot be counted; they are almost always singular. In these worksheets students classify nouns as countable or uncountable.