L.2.1.A L.2.1.B

Common Core Standards Nouns
Grade:	2nd Grade
Standard:	Literacy.L.2.1a
Description:	Use collective nouns (e.g., group).
Standard:	Literacy.L.2.1b
Description:	Form and use frequently occurring irregular plural nouns (e.g., feet, children, teeth, mice, fish).

Noun: A noun is an idea, a place, a person, or a thing.

Plural nouns are formed by adding an "-s" to the end of the word.

ball → balls
house → houses
book → books

Irregular plural nouns have different rules. Here are some rules for irregular plural nouns.


Word	Rule	Plural Form Example
Ends in ch, sh, x, o, ss	word+es	class-classes
Ends in y	word-y+ies	puppy-puppies
Ends in f	word-f+ves	loaf-loaves
Word with “oo”	change “oo” to “ee”	foot-feet

A collective noun names a group of people, things, or animals. The noun stands for the members that make up the group.

Examples

A class is a group of people
A herd is a group of sheep
A pile is a group of trash items

Common Core Standards

Nouns

Literacy.L.2.1a

Use collective nouns (e.g., group).

Literacy.L.2.1b

Form and use frequently occurring irregular plural nouns (e.g., feet, children, teeth, mice, fish).