Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
are numbered by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are numbered by" is correct and usable in written English.
It can be used when indicating that items or elements are assigned a numerical designation by a specific entity or method. Example: "The pages of the manuscript are numbered by the editor to ensure proper organization."
✓ Grammatically correct
Science
Academia
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
19 human-written examples
Pages are numbered by hand.
Academia
Nanoquizzes are numbered by the class meetings when they were held.
But Mr. Wilson's days are numbered by the California law limiting elected officials to two terms, which voters passed when they elected him eight years ago.
News & Media
Normally, humans have 46 chromosomes arranged in 23 pairs; the pairs vary in size and shape and are numbered by convention.
Encyclopedias
Leaving Chame, we caught our first glimpses of Annapurna II and IV, then Annapurna III the next day (the peaks are numbered by height, not placement in the range), gasping each time at the angle at which we had to hold our heads to view them.
News & Media
The nodes are numbered by their orders.
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
Were my days going to be numbered by a surprise coronary or stroke?
News & Media
Untitled documents were numbered by Ireland.
Academia
Nodes were numbered by BioNumerics.
Science
The clustered pharmacies were numbered by a research assistant.
Science
Each cerebellar folium is numbered by Roman numerals.
Science
Expert writing Tips
Best practice
When using "are numbered by", ensure the context clearly indicates what entity or method is assigning the numbers. This adds clarity and avoids ambiguity.
Common error
Avoid using "are numbered by" without specifying who or what is doing the numbering. For example, instead of saying "The houses are numbered by", specify "The houses are numbered by the city planning department."
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are numbered by" functions as a passive voice construction, indicating that a series of items receive numerical assignments through a specific process or agent. Ludwig examples show its usage across various domains like science, academia, and news.
Frequent in
Science
35%
Academia
30%
News & Media
25%
Less common in
Wiki
5%
Encyclopedias
3%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, "are numbered by" is a grammatically sound and versatile phrase used to describe the process of assigning numerical identifiers to items. Ludwig's analysis confirms its correctness and usability across diverse contexts, including science, academia, and news. When using this phrase, clarity is key: specify the agent or method responsible for the numbering to avoid ambiguity. While alternatives like "are designated by numbers" or "are assigned numbers by" exist, "are numbered by" remains a straightforward and effective choice. Understanding its function and purpose enhances writing precision.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are assigned numbers by
This alternative directly states the action of giving numbers to items.
are designated by numbers
This alternative emphasizes the act of assigning numbers as identifiers.
are labeled with numbers by
This alternative emphasizes the act of marking items with numerical labels.
are identified by numbers
This alternative focuses on using numbers for recognition and differentiation.
are sequenced by their number
This alternative specifies that the order is determined by the assigned number.
are ordered numerically
This alternative highlights the sequential arrangement based on numerical value.
are classified by number
This alternative focuses on categorizing items based on their numerical assignment.
follow a numerical order based on
This alternative describes adherence to a sequence determined by numbers.
are indexed by number
This alternative emphasizes the use of numbers for creating an index or reference system.
are arranged according to their numerical value
This alternative explains the arrangement based on the value of the numbers.
FAQs
How to use "are numbered by" in a sentence?
Use "are numbered by" to indicate that items are assigned a numerical designation by a specific entity or method. For instance, "The chapters in the book are numbered by the author to maintain a logical sequence."
What can I say instead of "are numbered by"?
You can use alternatives like "are designated by numbers", "are assigned numbers by", or "are labeled with numbers by" depending on the context.
Which is correct, "are numbered by" or "are numbered with"?
"Are numbered by" is generally preferred when specifying the agent or method doing the numbering, while "are numbered with" is less common. For example, "The houses are numbered by the city" is more precise than "The houses are numbered with the city."
What's the difference between "are numbered by" and "are ordered by"?
"Are numbered by" refers to the act of assigning numbers, whereas "are ordered by" refers to arranging items in a sequence based on a specific criterion. For instance, "The pages are numbered by the editor", but "The books are ordered by publication date".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested