"The number of" uses a singular verb, while "a number of" uses a plural verb because they refer to the total count versus multiple individual items.
When do we use "a number of"?
Use "a number of" to indicate several or many of something, always followed by a plural noun and a plural verb.
Imagine standing in a busy train station. You’d say, “A number of passengers were late.” That phrase draws attention to the scattered individuals, not the total count. It’s perfect when you want to suggest quantity without getting specific. (Honestly, this is the most natural way to express vague abundance.) According to Merriam-Webster, it essentially means “some but not all.”
What’s the real difference between "a number of" and "the number of"?
"The number of" refers to the total count and takes a singular verb, while "a number of" refers to the individual items and takes a plural verb
Let’s say you’re organizing a bake sale. “The number of cupcakes sold was 120” treats the total as one tidy figure. But “A number of cupcakes were left unsold” points to those individual desserts still sitting on the tray. Editors at The Chicago Manual of Style drill this into writers: focus on the group’s size or focus on the group’s members. It’s all about what you’re counting. For more examples of grammatical distinctions, see our article on classical and empirical probability.
How do "the number of students" and "a number of students" differ?
“The number of students” uses a singular verb because it refers to the total count, while “a number of students” uses a plural verb to refer to the students themselves
Picture yourself analyzing classroom data. “The number of students enrolled this semester is 1,200” gives you one big number. “A number of students have withdrawn” highlights the scattered departures. The trick? Ask yourself: am I reporting the total or the individuals? Swap in “the count of” or “several” to test the verb. You’ll hear the difference instantly. For more on numerical comparisons, check out our explanation of haploid and diploid numbers in fruit flies.
Should "the number of" take a singular or plural verb?
The number of always takes a singular verb because it refers to the total count, not the individual items.
This trips up even seasoned writers. “The number of applicants has risen sharply” treats the total as one entity. It’s not about the people—it’s about the final tally. Think of it like “the amount of flour” or “the percentage of voters.” All singular. When in doubt, ask: are we talking about one thing (the total) or many things (the items)? Grammarly confirms this works the same in both American and British English. For more on numerical expressions, explore our article on Fibonacci numbers and primality.
What does "twice the difference of a number" mean in math?
Twice the difference of a number means multiplying the result of subtraction by two, written as 2(x − y).
Try this: pick any two numbers, say 15 and 7. The difference is 8. Twice that difference is 16. In algebra, you’ll see this phrased as “Twice the difference of a number and 4 is 20,” which translates to 2(x − 4) = 20. Solve it, and you get x = 14. It’s a neat way to scale down or up a subtraction result without extra steps. For more mathematical operations, see our guide on transformer differences.
Do we say "has been a number" or "have been a number"?
Use “have been” with “a number of,” while “has been” pairs with “the number”
This boils down to whether you’re counting participants or reporting a final tally. “A number of complaints have been filed” treats each complaint as an individual voice. “The number of complaints has surprised management” treats the total as one surprising figure. Think of it like this: if you’re tallying voices, use “have”; if you’re announcing a final score, use “has.” The English Forums community spots this error constantly in submitted writing.
Is it okay to use "the" with numbers?
Yes, we can use "the" with numbers when referring to specific quantities or groups, such as “the three amigos” or “the top ten.”
Numbers usually act like adjectives (“three cookies”), but when you slap “the” in front, they become nouns (“The three of us went”). This construction highlights a particular set, like “the two finalists” or “the dozen eggs.” It’s common in rankings, titles, and formal lists. Just don’t overdo it—unless you’re calling a royal court to order or announcing a sports draft. For more on numerical rankings, read our article on stock exchanges by company listings.
How many items does "a number of" actually mean?
A number of means more than two but fewer than many—roughly several or a handful
It’s vaguer than “a few” but clearer than “some.” You’d say “A number of solutions exist” to avoid pinning down an exact count. Think of it as the grammarian’s way of saying “around five to ten.” According to Dictionary.com, it implies an unspecified but notable quantity. Use it when precision isn’t required.
How do you correctly use "a large number of"?
A large number of is used before plural nouns and takes a plural verb, as in “A large number of voters turned out.”
It’s a stronger way to say “many” without sounding repetitive. Unlike “the large number of,” which focuses on the total itself, “a large number of” points to the individuals involved (“A large number of trees were planted”). Journalists love this phrase: “A large number of patients have recovered.” Stick with plural verbs like “have,” “were,” or “arrived.”
Do we use "has" or "have" with "students"?
Use “have” with students because “students” is a plural noun
This one’s simple: “students” means more than one, so the verb must match. “The students have arrived” is correct; “The students has arrived” is not. The confusion usually creeps in when “each” or “every” sneaks in front of “student,” but those take singular verbs (“Each student has a book”). Strip the sentence down to subject and verb. If the subject is plural, the verb must be too.
Is "each of the students" singular or plural?
Each of the students is always singular, requiring a singular verb
Even native speakers stumble here. “Each of the students has submitted work” is correct; “have” would be wrong. The word “each” acts like a tiny referee, splitting the group into individuals. Even though “students” is plural, “each” overrides it. Think of it as “every single one.” If the sentence feels clunky, rephrase: “Every student has submitted work.” For more on grammatical number, see our comparison of assemblage and collage.
What does "singular number" mean in English grammar?
Singular number refers to one item, while plural number refers to more than one
In English, singular nouns pair with singular verbs (“The cat sleeps”), while plural nouns pair with plural verbs (“The cats sleep”). Countable nouns like “apple/apples” show this contrast clearly. Uncountable nouns like “water” usually stay singular (“The water is cold”). It’s the grammatical equivalent of holding up one finger versus many. This distinction drives subject-verb agreement and article usage (“a cat” vs. “cats”). For more on numerical concepts, explore our article on 10mm vs. 10mm Auto calibers.
Does "as well as" make the subject singular or plural?
“As well as” doesn’t change the subject’s number—it keeps the subject singular
Say you’re writing a report: “The CEO, as well as the board, is attending.” The phrase “as well as” adds extra detail, not another subject. It’s like a grammatical aside—think of it as “along with” or “together with.” To test, remove the phrase and the words in between: “The CEO is attending” should still make sense. If you want both parts acting together, rewrite: “The CEO and the board are attending.”
What does "2 times the difference" mean in math?
2 times the difference means multiplying the result of a subtraction by 2, as in 2 × (x − y).
In math, “times” means multiply, and “difference” means subtract. So “2 times the difference of 12 and 5” equals 2 × (12 − 5) = 2 × 7 = 14. You’ll see this in algebra, word problems, and even coding logic. It’s a compact way to describe scaling a gap between two values. Picture stretching a rubber band: the difference is the stretch, and “times” is how much you pull it.
What does "most" mean in mathematics?
In math, “most” often means the largest amount or value, with “at most” setting an upper limit
For instance, “x is at most 8” translates to x ≤ 8. It’s not about exact counts—it’s about boundaries. In statistics, “most” can mean the mode or majority value in a data set. But in inequalities, it’s a ceiling: “Most employees earn under $50,000” implies a threshold, not an exact figure. Pair it with “at least” to frame a range: “Most runners finished between 3 and 4 hours.” For more on numerical thresholds, read our article on live birth rates per 1000 women.
