3rd Grade Writing Quiz: Form And Use Possessives

What this quiz covers

This quiz focuses on Form And Use Possessives, giving you a quick way to practice the rules, question types, and explanations that matter most for 3rd Grade Writing.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

Question 1

1. cats' (correct answer)
2. cat's
3. cats
4. cats's

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The plural possessive of cats is cats'. To form possessives: For singular nouns add apostrophe s (cat → cat's). For plural nouns ending in s add apostrophe after the s (cats → cats'). For irregular plurals not ending in s add apostrophe s (children → children's). The apostrophe shows ownership. In this case we have multiple cats that own toys. Since it's plural ending in s we add apostrophe after the s. The possessive form is cats'. Choice A is correct because it properly shows plural possessive with apostrophe after s. The apostrophe is after the s for plural ending in s which correctly shows multiple cats own the toys. Choice B is incorrect because it has apostrophe before the s. Using cat's shows only one cat owns something. Students confuse singular with plural possessive. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (cat's). Multiple things whose plural ends in s? Add ' after the s (cats'). Multiple things whose plural doesn't end in s? Add 's (children's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s. Don't confuse with plural (no apostrophe for quantity - just cats means multiple cats; cat's or cats' means ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (children's not childrens').

Question 2

1. girls
2. girl's
3. girls' (correct answer)
4. girls's

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The plural possessive of girls is girls'. To form possessives: For singular nouns add apostrophe s (dog → dog's). For plural nouns ending in s add apostrophe after the s (dogs → dogs'). For irregular plurals not ending in s add apostrophe s (children → children's). The apostrophe shows ownership. In this case we have multiple girls that own the backpacks. Since it's plural ending in s we add apostrophe after the s. The possessive form is girls'. Choice C is correct because it properly shows plural possessive with apostrophe after s. The apostrophe is after the s for plural ending in s which correctly shows multiple girls own the backpacks. Choice A is incorrect because it has no apostrophe and shows plural not possessive. Using girls doesn't show ownership. Students confuse plural with possessive. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (dog's). Multiple things whose plural ends in s? Add ' after the s (dogs'). Multiple things whose plural doesn't end in s? Add 's (children's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s. Don't confuse with plural (no apostrophe for quantity - just dogs means multiple dogs; dog's or dogs' means ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (children's not childrens').

Question 3

1. dogs
2. dog's (correct answer)
3. dogs'
4. dogs's

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The singular possessive of dog is dog's. To form possessives: For singular nouns add apostrophe s (dog → dog's). For plural nouns ending in s add apostrophe after the s (dogs → dogs'). For irregular plurals not ending in s add apostrophe s (children → children's). The apostrophe shows ownership. In this case we have one dog that owns the bowl. Since it's singular we add 's. The possessive form is dog's. Choice B is correct because it properly shows singular possessive with 's. The apostrophe is before the s for singular which correctly shows one dog owns the bowl. Choice A is incorrect because it has no apostrophe and shows plural not possessive. Using dogs doesn't show ownership and just indicates multiple dogs. Students confuse plural with possessive. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (dog's). Multiple things whose plural ends in s? Add ' after the s (dogs'). Multiple things whose plural doesn't end in s? Add 's (children's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s. Don't confuse with plural (no apostrophe for quantity - just dogs means multiple dogs; dog's or dogs' means ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (children's not childrens').

Question 4

1. mens'
2. men's (correct answer)
3. mens
4. men

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The plural possessive of men is men's. To form possessives: For singular nouns add apostrophe s (man → man's). For plural nouns ending in s add apostrophe after the s (boys → boys'). For irregular plurals not ending in s add apostrophe s (men → men's). The apostrophe shows ownership. In this case we have multiple men who own shoes. Since it's irregular plural not ending in s we add 's to the irregular plural. The possessive form is men's. Choice B is correct because it properly shows irregular plural possessive with 's. The apostrophe is before the s for irregular plural which correctly shows multiple men own the shoes. Choice A is incorrect because it has apostrophe after the s. Using mens' is wrong because men is already plural and doesn't end in s. Students incorrectly treat irregular plurals like regular plurals. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (man's). Multiple things whose plural ends in s? Add ' after the s (boys'). Multiple things whose plural doesn't end in s? Add 's (men's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s. Don't confuse with plural (no apostrophe for quantity - just men means multiple men; men's shows ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (men's not mens').

Question 5

1. mothers
2. mother
3. mother's (correct answer)
4. mothers'

Explanation: To show that one person owns something, you add an apostrophe and s, so "my mother's car" is correct. Choice C is correct. Choice A ("mothers") looks plural, Choice B ("mother") shows no ownership, and Choice D ("mothers'") is for more than one mother, so none is right.

Question 6

1. Emmas
2. Emma's (correct answer)
3. Emmas'
4. Emma

Explanation: To show that one person owns something, you add an apostrophe and s, so "Emma's book" is correct. Choice B is correct. Choice A ("Emmas") looks plural, Choice C ("Emmas'") is for a plural noun, and Choice D ("Emma") shows no ownership, so none is right.

Question 7

1. mens'
2. men's (correct answer)
3. mens
4. men

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The plural possessive of men is men's. To form possessives: For singular nouns add apostrophe s (man → man's). For plural nouns ending in s add apostrophe after the s (boys → boys'). For irregular plurals not ending in s add apostrophe s (men → men's). The apostrophe shows ownership. In this case we have multiple men who own shoes. Since it's irregular plural not ending in s we add 's to the irregular plural. The possessive form is men's. Choice B is correct because it properly shows irregular plural possessive with 's. The apostrophe is before the s for irregular plural which correctly shows multiple men own shoes. Choice A is incorrect because it has apostrophe in wrong place. Using mens' incorrectly treats men as if it ends in s. Students confuse irregular plural possessive rules. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (man's). Multiple things whose plural ends in s? Add ' after the s (boys'). Multiple things whose plural doesn't end in s? Add 's (men's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s; apostrophe 's for irregular plurals. Don't confuse with plural (no apostrophe for quantity - just men means multiple men; men's means ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (men's not mens').

Question 8

1. childrens
2. children's (correct answer)
3. childrens'
4. children

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The plural possessive of children is children's. To form possessives: For singular nouns add apostrophe s (child → child's). For plural nouns ending in s add apostrophe after the s (dogs → dogs'). For irregular plurals not ending in s add apostrophe s (children → children's). The apostrophe shows ownership. In this case we have multiple children who own/use a playground. Since it's irregular plural not ending in s we add 's to the irregular plural. The possessive form is children's. Choice B is correct because it properly shows irregular plural possessive with 's. The apostrophe is before the s for irregular plural which correctly shows multiple children own/use the playground. Choice C is incorrect because it has apostrophe in wrong place. Using childrens' incorrectly treats children as if it ends in s. Students confuse irregular plural possessive rules. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (child's). Multiple things whose plural ends in s? Add ' after the s (dogs'). Multiple things whose plural doesn't end in s? Add 's (children's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s; apostrophe 's for irregular plurals. Don't confuse with plural (no apostrophe for quantity - just children means multiple children; children's means ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (children's not childrens').

Question 9

1. cats' (correct answer)
2. cat's
3. cats
4. cats's

Explanation: When more than one cat owns the toys, add just an apostrophe after the s to show plural possession, which makes cats' correct. Cat's would mean only one cat owns them, cats has no apostrophe so it does not show ownership at all, and cats's is not a correct way to form a plural possessive. Choosing the right possessive form depends on knowing whether the owner is singular or plural.

Question 10

1. Marcos
2. Marco's (correct answer)
3. Marcos'
4. Marco

Explanation: To show that one person owns something, you add an apostrophe and s, so "Marco's lunch" is correct. Choice B is correct. Choice A ("Marcos") has no apostrophe and looks plural, Choice C ("Marcos'") is for a plural noun, and Choice D ("Marco") shows no ownership, so none is right.

Question 11

1. teachers
2. teacher's
3. teachers' (correct answer)
4. teachers's

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The plural possessive of teachers is teachers'. To form possessives: For singular nouns add apostrophe s (teacher → teacher's). For plural nouns ending in s add apostrophe after the s (teachers → teachers'). For irregular plurals not ending in s add apostrophe s (children → children's). The apostrophe shows ownership. In this case we have multiple teachers who own the lounge. Since it's plural ending in s we add apostrophe after the s. The possessive form is teachers'. Choice C is correct because it properly shows plural possessive with apostrophe after s. The apostrophe is after the s for plural ending in s which correctly shows multiple teachers own the lounge. Choice B is incorrect because it has apostrophe before the s. Using teacher's shows only one teacher owns something. Students confuse singular with plural possessive. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (teacher's). Multiple things whose plural ends in s? Add ' after the s (teachers'). Multiple things whose plural doesn't end in s? Add 's (children's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s. Don't confuse with plural (no apostrophe for quantity - just teachers means multiple teachers; teacher's or teachers' means ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (children's not childrens').

Question 12

1. dogs
2. dogs'
3. dog's (correct answer)
4. dogs's

Explanation: Dog's is correct because the apostrophe before the s shows that the leash belongs to a single dog. Dogs is just a plural noun and does not show ownership at all. Dogs' would mean the leash belongs to more than one dog, which does not match the sentence. Dogs's is not a correct way to spell a singular possessive.

Question 13

1. Emmas
2. Emma's (correct answer)
3. Emma'
4. Emmas'

Explanation: To show that one person owns something, you add an apostrophe and s, so "Emma's book" is correct. Choice B is correct. Choice A ("Emmas") looks plural, Choice C ("Emma'") puts the apostrophe in the wrong spot, and Choice D ("Emmas'") is for a plural noun, so none is right.

Question 14

1. girl's
2. girls' (correct answer)
3. girls
4. girls's

Explanation: When more than one girl owns the backpacks, add just an apostrophe after the s to show plural possession, which makes girls' correct. Girl's would mean only one girl owns them, girls has no apostrophe so it does not show ownership at all, and girls's is not a correct way to form a plural possessive. Choosing the right possessive form depends on knowing whether the owner is singular or plural.

Question 15

1. teacher's
2. teachers
3. teachers' (correct answer)
4. teachers's

Explanation: Teachers' is correct because the apostrophe after the s shows that the lounge belongs to more than one teacher. Teacher's would mean the lounge belongs to only one teacher, which does not match the sentence. Teachers is just a plural noun and does not show ownership at all. Teachers's is not a correct way to spell a plural possessive.

Question 16

1. teacher's
2. teachers
3. teachers' (correct answer)
4. teachers's

Explanation: Teachers' is correct because the apostrophe after the s shows that the workroom belongs to more than one teacher. Teacher's would mean the workroom belongs to only one teacher, which does not match the sentence. Teachers is just a plural noun and does not show ownership at all. Teachers's is not a correct way to spell a plural possessive.

Question 17

1. mens'
2. men's (correct answer)
3. mens
4. men

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The plural possessive of men is men's. To form possessives: For singular nouns add apostrophe s (man → man's). For plural nouns ending in s add apostrophe after the s (boys → boys'). For irregular plurals not ending in s add apostrophe s (men → men's). The apostrophe shows ownership. In this case we have multiple men who own shoes. Since it's irregular plural not ending in s we add 's to the irregular plural. The possessive form is men's. Choice B is correct because it properly shows irregular plural possessive with 's. The apostrophe is before the s for irregular plural which correctly shows multiple men own the shoes. Choice A is incorrect because it has apostrophe after the s. Using mens' is wrong because men is already plural and doesn't end in s. Students incorrectly treat irregular plurals like regular plurals. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (man's). Multiple things whose plural ends in s? Add ' after the s (boys'). Multiple things whose plural doesn't end in s? Add 's (men's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s. Don't confuse with plural (no apostrophe for quantity - just men means multiple men; men's shows ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (men's not mens').

Question 18

1. dogs
2. dog's (correct answer)
3. dogs'
4. dogs's

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The singular possessive of dog is dog's. To form possessives: For singular nouns add apostrophe s (dog → dog's). For plural nouns ending in s add apostrophe after the s (dogs → dogs'). For irregular plurals not ending in s add apostrophe s (children → children's). The apostrophe shows ownership. In this case we have one dog that owns a leash. Since it's singular we add 's. The possessive form is dog's. Choice B is correct because it properly shows singular possessive with 's. The apostrophe is before the s for singular which correctly shows one dog owns the leash. Choice A is incorrect because it has no apostrophe. Using dogs doesn't show ownership. Students confuse plural with possessive. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (dog's). Multiple things whose plural ends in s? Add ' after the s (dogs'). Multiple things whose plural doesn't end in s? Add 's (children's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s. Don't confuse with plural (no apostrophe for quantity - just dogs means multiple dogs; dog's or dogs' means ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (children's not childrens').

Question 19

1. birds
2. bird's
3. birds' (correct answer)
4. birds's

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The plural possessive of birds is birds'. To form possessives: For singular nouns add apostrophe s (dog → dog's). For plural nouns ending in s add apostrophe after the s (dogs → dogs'). For irregular plurals not ending in s add apostrophe s (children → children's). The apostrophe shows ownership. In this case we have multiple birds that own the feathers. Since it's plural ending in s we add apostrophe after the s. The possessive form is birds'. Choice C is correct because it properly shows plural possessive with apostrophe after s. The apostrophe is after the s for plural ending in s which correctly shows multiple birds own the feathers. Choice B is incorrect because it shows singular possessive with 's. Using bird's shows wrong number of owners and incorrect apostrophe placement for plural. Students confuse singular with plural possessives. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (dog's). Multiple things whose plural ends in s? Add ' after the s (dogs'). Multiple things whose plural doesn't end in s? Add 's (children's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s. Don't confuse with plural (no apostrophe for quantity - just dogs means multiple dogs; dog's or dogs' means ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (children's not childrens').

Question 20

1. mothers
2. mother's (correct answer)
3. mothers'
4. mothers's

Explanation: This question tests forming and using possessives (CCSS.L.3.2.d). Possessives show ownership - that something belongs to someone or something. The singular possessive of mother is mother's. To form possessives: For singular nouns add apostrophe s (dog → dog's). For plural nouns ending in s add apostrophe after the s (dogs → dogs'). For irregular plurals not ending in s add apostrophe s (children → children's). The apostrophe shows ownership. In this case we have one mother that owns the keys. Since it's singular we add 's. The possessive form is mother's. Choice B is correct because it properly shows singular possessive with 's. The apostrophe is before the s for singular which correctly shows one mother owns the keys. Choice C is incorrect because it shows plural possessive with apostrophe after s. Using mothers' shows wrong number of owners and incorrect apostrophe placement for singular. Students confuse singular with plural possessives. To help students: Teach that apostrophe shows ownership. Ask: Who owns it? One thing? Add 's (dog's). Multiple things whose plural ends in s? Add ' after the s (dogs'). Multiple things whose plural doesn't end in s? Add 's (children's). Memory trick: Apostrophe 's for ONE owner; s apostrophe for MANY owners ending in s. Don't confuse with plural (no apostrophe for quantity - just dogs means multiple dogs; dog's or dogs' means ownership). Watch for: forgetting apostrophe entirely / putting apostrophe in wrong place / confusing plural with possessive / irregular plurals (children's not childrens').