Standard
    
    
        - CCSS.ELA-Literacy.L.2
- Language Standards
    
   
    
    
        - Conventions of Standard English
    
   
    
    
        - CCSS.ELA-Literacy.L.2.1
- Demonstrate command of the conventions of standard English grammar and usage when writing or speaking.
    
   
    
    
        - CCSS.ELA-Literacy.L.2.1b
- Form and use frequently occurring irregular plural nouns (e.g., feet, children, teeth, mice, fish).