EnglishAges 13-15

Colons, semicolons & hyphens

Use colons, semicolons, em dashes and hyphens accurately in complex sentences and modifiers. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 13-15

Colons, semicolons & hyphens

Take your time. Show your thinking.

1. Choose the correct punctuation before “moreover” when joining two independent clauses: “Solar panels produce zero operational emissions; moreover, they require minimal maintenance” or “Solar panels produce zero operational emissions, moreover they require minimal maintenance”?
“moreover” · Colons, semicolons & hyphens
2. Choose the punctuation mark that links these two contrasting independent clauses: “Some planets have rocky surfaces____ others are giant spheres of gas” (Semicolon ; or Apostrophe ’).
Choose the punctuation mar… · Colons, semicolons & hyphens
3. Which punctuation mark correctly links two closely related independent clauses without a conjunction: “The tide had turned____ the lagoon was now deep enough for the boat” (a semicolon ; or a comma ,)?
Which punctuation mark cor… · Colons, semicolons & hyphens
4. Why is the sentence “The bell rang, the students filed into the hall” a punctuation error: it is a comma splice joining two independent clauses with only a comma, or it is missing a question mark?
Why is the sentence “The b… · Colons, semicolons & hyphens
5. Which punctuation is required before the conjunctive adverb “however” when it joins two independent clauses: “The sky looked clear____ however, the barometer was falling rapidly” (; however, or , however,)?
“however” · Colons, semicolons & hyphens
6. Which sentence uses the colon correctly: “Remember the carpenter’s rule: measure twice and cut once.” or “Remember: to measure twice and cut once.”?
Which sentence uses the co… · Colons, semicolons & hyphens
7. Which punctuation pair encloses a quiet clarification, date range or acronym definition such as “World Health Organization (WHO)”: parentheses / round brackets ( ) or semicolons ;?
Which punctuation pair enc… · Colons, semicolons & hyphens
8. In “a ten-minute walk”, why is “ten-minute” hyphenated and singular: it acts as a unit modifier before the noun “walk”, or it is a plural verb?
“a ten-minute walk” · “ten-min · Colons, semicolons & hyphens
9. Which punctuation mark is used between hours and minutes in digital time (such as 09____30) and in mathematical ratios (such as 3____1): a colon (:) or a semicolon (;)?
09 · 30 · 3 · 1 · Colons, semicolons & hyphens
10. Why does “a slowly moving cloud” NOT take a hyphen after “slowly”: adverbs ending in “-ly” are not hyphenated before participles or adjectives, or adverbs are nouns?
“slowly” · “-ly” · Colons, semicolons & hyphens
11. Which punctuation pair can set off a dramatic parenthetical aside in the middle of a sentence: “The coral reef—home to hundreds of fish species—protects the shoreline” (em dashes — or colons :)?
Which punctuation pair can… · Colons, semicolons & hyphens
12. Which short mark joins two words into a single compound adjective before a noun, as in “a well-known author”: a hyphen (-) or a semicolon (;)?
Which short mark joins two… · Colons, semicolons & hyphens

12 questions · Seed 49 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 13-15

Colons, semicolons & hyphens

Answers and reasoning. Review before teaching.

1. Choose the correct punctuation before “moreover” when joining two independent clauses: “Solar panels produce zero operational emissions; moreover, they require minimal maintenance” or “Solar panels produce zero operational emissions, moreover they require minimal maintenance”?
Solar panels produce zero operational emissions; moreover, they require minimal maintenance
Use a semicolon before and a comma after the conjunctive adverb “moreover” between two independent clauses.
2. Choose the punctuation mark that links these two contrasting independent clauses: “Some planets have rocky surfaces____ others are giant spheres of gas” (Semicolon ; or Apostrophe ’).
Semicolon (;)
A semicolon balances two parallel or contrasting independent clauses.
3. Which punctuation mark correctly links two closely related independent clauses without a conjunction: “The tide had turned____ the lagoon was now deep enough for the boat” (a semicolon ; or a comma ,)?
Semicolon (;)
A semicolon joins two closely related independent clauses; using only a comma creates a comma splice.
4. Why is the sentence “The bell rang, the students filed into the hall” a punctuation error: it is a comma splice joining two independent clauses with only a comma, or it is missing a question mark?
It is a comma splice joining two independent clauses with only a comma
Two independent clauses cannot be joined by a bare comma; use a semicolon, a full stop, or a comma plus a coordinating conjunction.
5. Which punctuation is required before the conjunctive adverb “however” when it joins two independent clauses: “The sky looked clear____ however, the barometer was falling rapidly” (; however, or , however,)?
; however,
When a conjunctive adverb like “however” links two independent clauses, precede it with a semicolon and follow it with a comma.
6. Which sentence uses the colon correctly: “Remember the carpenter’s rule: measure twice and cut once.” or “Remember: to measure twice and cut once.”?
Remember the carpenter’s rule: measure twice and cut once.
“Remember the carpenter’s rule” is a complete clause that sets up the appositive rule after the colon.
7. Which punctuation pair encloses a quiet clarification, date range or acronym definition such as “World Health Organization (WHO)”: parentheses / round brackets ( ) or semicolons ;?
Parentheses / round brackets ( )
Parentheses enclose supplementary dates, acronyms and non-essential clarifications.
8. In “a ten-minute walk”, why is “ten-minute” hyphenated and singular: it acts as a unit modifier before the noun “walk”, or it is a plural verb?
It acts as a unit modifier before the noun “walk”
Measurement phrases before a noun (“a ten-minute walk”, “a five-kilometre run”) are hyphenated in singular form.
9. Which punctuation mark is used between hours and minutes in digital time (such as 09____30) and in mathematical ratios (such as 3____1): a colon (:) or a semicolon (;)?
Colon (:)
Standard notation uses a colon in digital clock times (09:30) and ratios (3:1).
10. Why does “a slowly moving cloud” NOT take a hyphen after “slowly”: adverbs ending in “-ly” are not hyphenated before participles or adjectives, or adverbs are nouns?
Adverbs ending in “-ly” are not hyphenated before participles or adjectives
Because “-ly” already signals that the word modifies the following participle, no hyphen is used.
11. Which punctuation pair can set off a dramatic parenthetical aside in the middle of a sentence: “The coral reef—home to hundreds of fish species—protects the shoreline” (em dashes — or colons :)?
Em dashes (—)
Paired dashes set off an explanatory or emphatic parenthetical phrase inside a sentence.
12. Which short mark joins two words into a single compound adjective before a noun, as in “a well-known author”: a hyphen (-) or a semicolon (;)?
Hyphen (-)
A hyphen links words in a compound modifier before a noun (“well-known author”).

12 questions · Seed 49 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 13-15

Colons, semicolons & hyphens

Take your time. Show your thinking.

1. Choose the correct punctuation before “moreover” when joining two independent clauses: “Solar panels produce zero operational emissions; moreover, they require minimal maintenance” or “Solar panels produce zero operational emissions, moreover they require minimal maintenance”?
“moreover” · Colons, semicolons & hyphens
2. Choose the punctuation mark that links these two contrasting independent clauses: “Some planets have rocky surfaces____ others are giant spheres of gas” (Semicolon ; or Apostrophe ’).
Choose the punctuation mar… · Colons, semicolons & hyphens
3. Which punctuation mark correctly links two closely related independent clauses without a conjunction: “The tide had turned____ the lagoon was now deep enough for the boat” (a semicolon ; or a comma ,)?
Which punctuation mark cor… · Colons, semicolons & hyphens
4. Why is the sentence “The bell rang, the students filed into the hall” a punctuation error: it is a comma splice joining two independent clauses with only a comma, or it is missing a question mark?
Why is the sentence “The b… · Colons, semicolons & hyphens
5. Which punctuation is required before the conjunctive adverb “however” when it joins two independent clauses: “The sky looked clear____ however, the barometer was falling rapidly” (; however, or , however,)?
“however” · Colons, semicolons & hyphens
6. Which sentence uses the colon correctly: “Remember the carpenter’s rule: measure twice and cut once.” or “Remember: to measure twice and cut once.”?
Which sentence uses the co… · Colons, semicolons & hyphens
7. Which punctuation pair encloses a quiet clarification, date range or acronym definition such as “World Health Organization (WHO)”: parentheses / round brackets ( ) or semicolons ;?
Which punctuation pair enc… · Colons, semicolons & hyphens
8. In “a ten-minute walk”, why is “ten-minute” hyphenated and singular: it acts as a unit modifier before the noun “walk”, or it is a plural verb?
“a ten-minute walk” · “ten-min · Colons, semicolons & hyphens
9. Which punctuation mark is used between hours and minutes in digital time (such as 09____30) and in mathematical ratios (such as 3____1): a colon (:) or a semicolon (;)?
09 · 30 · 3 · 1 · Colons, semicolons & hyphens
10. Why does “a slowly moving cloud” NOT take a hyphen after “slowly”: adverbs ending in “-ly” are not hyphenated before participles or adjectives, or adverbs are nouns?
“slowly” · “-ly” · Colons, semicolons & hyphens
11. Which punctuation pair can set off a dramatic parenthetical aside in the middle of a sentence: “The coral reef—home to hundreds of fish species—protects the shoreline” (em dashes — or colons :)?
Which punctuation pair can… · Colons, semicolons & hyphens
12. Which short mark joins two words into a single compound adjective before a noun, as in “a well-known author”: a hyphen (-) or a semicolon (;)?
Which short mark joins two… · Colons, semicolons & hyphens

12 questions · Seed 49 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 13-15

Colons, semicolons & hyphens

Answers and reasoning. Review before teaching.

1. Choose the correct punctuation before “moreover” when joining two independent clauses: “Solar panels produce zero operational emissions; moreover, they require minimal maintenance” or “Solar panels produce zero operational emissions, moreover they require minimal maintenance”?
Solar panels produce zero operational emissions; moreover, they require minimal maintenance
Use a semicolon before and a comma after the conjunctive adverb “moreover” between two independent clauses.
2. Choose the punctuation mark that links these two contrasting independent clauses: “Some planets have rocky surfaces____ others are giant spheres of gas” (Semicolon ; or Apostrophe ’).
Semicolon (;)
A semicolon balances two parallel or contrasting independent clauses.
3. Which punctuation mark correctly links two closely related independent clauses without a conjunction: “The tide had turned____ the lagoon was now deep enough for the boat” (a semicolon ; or a comma ,)?
Semicolon (;)
A semicolon joins two closely related independent clauses; using only a comma creates a comma splice.
4. Why is the sentence “The bell rang, the students filed into the hall” a punctuation error: it is a comma splice joining two independent clauses with only a comma, or it is missing a question mark?
It is a comma splice joining two independent clauses with only a comma
Two independent clauses cannot be joined by a bare comma; use a semicolon, a full stop, or a comma plus a coordinating conjunction.
5. Which punctuation is required before the conjunctive adverb “however” when it joins two independent clauses: “The sky looked clear____ however, the barometer was falling rapidly” (; however, or , however,)?
; however,
When a conjunctive adverb like “however” links two independent clauses, precede it with a semicolon and follow it with a comma.
6. Which sentence uses the colon correctly: “Remember the carpenter’s rule: measure twice and cut once.” or “Remember: to measure twice and cut once.”?
Remember the carpenter’s rule: measure twice and cut once.
“Remember the carpenter’s rule” is a complete clause that sets up the appositive rule after the colon.
7. Which punctuation pair encloses a quiet clarification, date range or acronym definition such as “World Health Organization (WHO)”: parentheses / round brackets ( ) or semicolons ;?
Parentheses / round brackets ( )
Parentheses enclose supplementary dates, acronyms and non-essential clarifications.
8. In “a ten-minute walk”, why is “ten-minute” hyphenated and singular: it acts as a unit modifier before the noun “walk”, or it is a plural verb?
It acts as a unit modifier before the noun “walk”
Measurement phrases before a noun (“a ten-minute walk”, “a five-kilometre run”) are hyphenated in singular form.
9. Which punctuation mark is used between hours and minutes in digital time (such as 09____30) and in mathematical ratios (such as 3____1): a colon (:) or a semicolon (;)?
Colon (:)
Standard notation uses a colon in digital clock times (09:30) and ratios (3:1).
10. Why does “a slowly moving cloud” NOT take a hyphen after “slowly”: adverbs ending in “-ly” are not hyphenated before participles or adjectives, or adverbs are nouns?
Adverbs ending in “-ly” are not hyphenated before participles or adjectives
Because “-ly” already signals that the word modifies the following participle, no hyphen is used.
11. Which punctuation pair can set off a dramatic parenthetical aside in the middle of a sentence: “The coral reef—home to hundreds of fish species—protects the shoreline” (em dashes — or colons :)?
Em dashes (—)
Paired dashes set off an explanatory or emphatic parenthetical phrase inside a sentence.
12. Which short mark joins two words into a single compound adjective before a noun, as in “a well-known author”: a hyphen (-) or a semicolon (;)?
Hyphen (-)
A hyphen links words in a compound modifier before a noun (“well-known author”).

12 questions · Seed 49 · Age guidance, not curriculum certification