Possessive Nouns — Answer Key
Part A: Sort the Words
Sort each word or number into the correct category box.
1. Sort each possessive into the correct group based on apostrophe placement.
Needs 's (singular owner)
Sam's batcat's bowlMom's key Needs only ' (plural owners)
Moms' clubSams' teamcats' food Apostrophe placement signals whether the owner is singular or plural — the key rule of possessives.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. The boy's ball rolled away. (one boy)
Singular nouns add apostrophe and s to show ownership clearly.
2. The girls' coats hung in rows. (many girls)
Plural nouns ending in s take only an apostrophe after the s.
3. My dog's tail wagged fast. (one dog)
Singular owner uses 's to show possession clearly in writing.
4. The bird's nest held three eggs. (one bird)
Add apostrophe s to a singular noun to show it owns something.
5. Those twins' bikes are blue. (many twins)
Plural ending in s only needs an apostrophe placed after the s.
Part C: True or False?
Read each statement. Circle True or False.
1. We write Sam's hat when Sam owns one hat.
True False
Singular names add 's to show they own something.
2. We write cat's toys when many cats own toys.
True False
Many cats would be cats' toys with the apostrophe after s.
3. Moms' club means a club for many moms.
True False
Plural noun ending in s uses only an apostrophe after the s.
4. Sams' team means one boy named Sam owns the team.
True False
One Sam would be Sam's team; Sams' means many people named Sam.