Word forms in math

Word form is one way in which the concept of numbers can be written. Other forms include standard and expanded form. Word form involves expressing numbers using words rather than numerals.The word form for 2,010 is two thousand ten. The word form for 1,000,000 is one million.

Contents

  • 1 What is word form of number?
  • 2 What is 10 in word form?
  • 3 What is Word Form 30?
  • 4 What is word form and expanded form?
  • 5 What is the meaning of word?
  • 6 How do you teach word form?
  • 7 What is 1000000000 in word form?
  • 8 What is 20 in word form?
  • 9 What is the word form of 1000?
  • 10 What is 90 in word form?
  • 11 What is word form example?
  • 12 How do you write 121 in expanded form?
  • 13 How do you write 25?
  • 14 How do you write 40?
  • 15 How do you spell 37?
  • 16 How do you write 160 in word form?
  • 17 What does the word expanded form mean?
  • 18 What is word form in grammar?
  • 19 What is word and its types?
  • 20 What is types of words?

What is word form of number?

The word form of a number, also called word name for a number, is the number written in words. More examples. The word form for 16 is sixteen. The word form for 2/5 is two-fifths. The word form for 9.4 is nine and four tenths.

How do you write numbers up to 1,000 in word form?

Tens
10 ten
70 seventy
80 eighty
90 ninety

What is Word Form 30?

Thirty
30 in words is written as Thirty.

What is word form and expanded form?

You can write numbers in different forms. Expanded form means writing the number so you show the value of each digit. Word form means writing the number with words instead of numerals. To better understand numbers in expanded & word form…Expanded form means writing the number so you show the value of each digit.

What is the meaning of word?

1 : a sound or combination of sounds that has meaning and is spoken by a human being. 2 : a written or printed letter or letters standing for a spoken word. 3 : a brief remark or conversation I’d like a word with you.

How do you teach word form?

5 Hints to Teach Correct Word Form and Word Choice

  1. Call Attention to Errors.
  2. Teach Such Rules That Do Exist.
  3. Teach Use of the Dictionary and Thesaurus—Both Online and Paper.
  4. Read as Much as Possible.
  5. Write as Much as Possible.

What is 1000000000 in word form?

1,000,000,000 (one billion, short scale; one thousand million or milliard, yard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001.

What is 20 in word form?

Twenty
20 in words is written as Twenty.

What is the word form of 1000?

One Thousand
1000 in Words can be written as One Thousand. If you have saved 1000 dollars, then you can write, “I have just saved One Thousand dollars.” One Thousand is the cardinal number word of 1000 which denotes a quantity.

What is 90 in word form?

Ninety
90 in words is written as Ninety.

What is word form example?

Below are a few examples of numbers written in word form. The word form for 14 is fourteen. The word form for is one half. The word form for 5.6 is five and six tenths.

How do you write 121 in expanded form?

121 in Roman numerals is CXXI. To convert 121 in Roman Numerals, we will write 121 in the expanded form, i.e. 121 = 100 + 10 + 10 + 1 thereafter replacing the transformed numbers with their respective roman numerals, we get 121 = C + X + X + I = CXXI.

How do you write 25?

25 in words is written as Twenty Five.

How do you write 40?

40 (forty) is the number that follows 39 and precedes 41. Though it’s related to the number “four” (4), the modern spelling of 40 is “forty.” The older form, “fourty,” is treated as a misspelling today. The modern spelling could reflect a historical pronunciation change.

How do you spell 37?

37 in words is written as Thirty Seven.

How do you write 160 in word form?

The Number 160 in Words
160 is the one hundred and sixtieth number.

What does the word expanded form mean?

Expanded form is a way to write a number by adding the value of its digits. We can use a place value chart to think of the value of a number’s digits.

What is word form in grammar?

You can use suffixes to change the form of many English words. The same root word could be used as a noun, a verb, an adjective, or an adverb when different suffixes are used.

What is word and its types?

There are eight types of words that are often referred to as ‘word classes’ or ‘parts of speech’ and are commonly distinguished in English: nouns, determiners, pronouns, verbs, adjectives, adverbs, prepositions, and conjunctions.These are the different types of words in the English language.

What is types of words?

The Eight Parts of Speech

  • NOUN.
  • PRONOUN.
  • VERB.
  • ADJECTIVE.
  • ADVERB.
  • PREPOSITION.
  • CONJUNCTION.
  • INTERJECTION.

Word form is one way in which the concept of numbers can be written. Other forms include standard and expanded form. Word form involves expressing numbers using words rather than numerals. Below are a few examples of numbers written in word form.

  • The word form for 14 is fourteen.
  • The word form for is one half.
  • The word form for 5.6 is five and six tenths. Note that the decimal point is read as «and.»
  • The word form for 2,010 is two thousand ten.
  • The word form for 1,000,000 is one million.

How to write numbers in word form

We can write all types of numbers, such as integers, fractions, and decimal numbers, in word form.

Integers

Recall that integers are the set of all positive and negative whole numbers including 0. For the smaller numbers, like 1-20 we just need to remember what the numbers are called.

1-20
1 — one 11 — eleven
2 — two 12 — twelve
3 — three 13 — thirteen
4 — four 14 — fourteen
5 — five 15 — fifteen
6 — six 16 — sixteen
7 — seven 17 — seventeen
8 — eight 18 — eighteen
9 — nine 19 — nineteen
10 — ten 20 — twenty

Note that any negative number is written in word form in the same way except that the word «negative» is written in front. Once we know how to write each of the above numbers in word form, the next step is to remember what every 10 numbers is referred to:

10 — ten
20 — twenty
30 — thirty
40 — forty
50 — fifty
60 — sixty
70 — seventy
80 — eighty
90 — ninety

Numbers that include both tens and ones are hyphenated. For example, 21 is written as twenty-one, 39 is written as thirty-nine, and so on.

Writing larger numbers in word form requires an understanding of place value and periods. Below is a figure showing the place values and periods through the billions.

The numbers described above fall within the ones period and involve ones, tens, and hundreds. The next period is the thousands, which also includes ones (thousand), tens (ten thousand), and hundreds (hundred thousands). This pattern continues for all the larger numbers (the smaller ones as well, if there are decimal places). To write a given number in word form, identify the largest place value, write each number as we would in the ones place based on hundreds, tens, and ones, then write which period the digits fit into, whether it be millions, thousands, etc., but excluding the ones. Repeat this process from left to right.

Example

Use the place value chart to write the following number in word form.

There are 4 periods in the above number: billions, millions, thousands, and ones. We can separate each period with commas, as we would with numerals. Write out the word form of the three digits in each period, then add the respective period name after each, except for the ones period. Attempt this before reading the solution below.

The word form of the above number is:

Two hundred forty-nine billion, five hundred fifty-one million, six hundred seventy-two thousand, four hundred eighty-six.

Decimal numbers

Decimal numbers are written in word form in a similar way as integers. One key difference is the addition of the decimal point, which is written as «and.» The numbers after the decimal point are written in the same way as any integer, except that the last digit in the number is hyphenated, and the place value of the digit is written after the hyphen. For example, the decimal number 123.123 is written in word form as «One hundred twenty-three and one hundred twenty-three-thousandths.»

The table below shows the name of each place based on the place value of the number 1:

Decimal Place value
0.1 tenths
0.01 hundredths
0.001 thousandths
0.0001 ten-thousandths
0.00001 hundred-thousandths
0.000001 millionths
0.0000001 ten-millionth
0.00000001 hundred-millionth
0.000000001 billionth

Thus, to write any decimal number:

  • Write the word form of the number to the left of the decimal point first, then the word form of the number to the right.
  • Hyphenate the last word in the word form of the number to the right of the decimal point.
  • Write the place value of the last digit after the hyphen.

Fractions

The rules for writing fractions in word form are not as consistent as those for writing a decimal number, so instead of set rules, below are a few examples of the word forms of various fractions, as well as some general rules that apply to many fractions.

Generally, aside from exceptions, such as the word form of ½ being «one half» not «one second,» the rules below can be used to write the word form of most fractions.

  1. Write the word form of the integer in the numerator.
  2. Write the denominator in its ordinal number form.

Last Updated: December 19, 2021 | Author: Lisa McCombs

Contents

  • 1 How do you write math in word form?
  • 2 What is word form number?
  • 3 What is 10 in word form?
  • 4 What is word form in math for 2nd grade?
  • 5 How do you teach word form?
  • 6 What is Word Form 30?
  • 7 What is word form in place value?
  • 8 How do I get word forms?
  • 9 What is the meaning of word?
  • 10 How do you write word form in expanded form?
  • 11 What is 90 in word form?
  • 12 How do you say 3 in word form?
  • 13 What is word form in grammar?
  • 14 How do you write 164 in words?
  • 15 What is 20 in word form?
  • 16 How do you say 8 in word form?
  • 17 How do you write 100 in word form?
  • 18 How is 40 spelled?

How do you write math in word form?

What is word form number?

The word form of a number, also called word name for a number, is the number written in words. More examples. The word form for 16 is sixteen. The word form for 2/5 is two-fifths.

How do you write numbers up to 1,000 in word form?

Tens
10 ten
70 seventy
80 eighty
90 ninety

What is word form in math for 2nd grade?

How do you teach word form?

5 Hints to Teach Correct Word Form and Word Choice

  1. Call Attention to Errors. …
  2. Teach Such Rules That Do Exist. …
  3. Teach Use of the Dictionary and Thesaurus—Both Online and Paper. …
  4. Read as Much as Possible. …
  5. Write as Much as Possible.

What is Word Form 30?

30 in words is written as Thirty.

What is word form in place value?

Read About Numbers in Expanded & Word Form (3-Digit Numbers) … You can write numbers in different forms. Expanded form means writing the number so you show the value of each digit. Word form means writing the number with words instead of numerals.

How do I get word forms?

What is the meaning of word?

1 : a sound or combination of sounds that has meaning and is spoken by a human being. 2 : a written or printed letter or letters standing for a spoken word. 3 : a brief remark or conversation I’d like a word with you.

How do you write word form in expanded form?

What is 90 in word form?

90 in words is written as Ninety.

How do you say 3 in word form?

How to Write 3 in Words? Using the place value chart we identify the place for each digit in the given number and write the numbers in words. For 3 we see that the digits in units = 3. Therefore 3 in words is written as Three.

What is word form in grammar?

You can use suffixes to change the form of many English words. The same root word could be used as a noun, a verb, an adjective, or an adverb when different suffixes are used.

How do you write 164 in words?

The Number 164 in Words

164 is the one hundred and sixty-fourth number.

What is 20 in word form?

20 in words is written as Twenty.

How do you say 8 in word form?

8 in words is written as Eight.

How do you write 100 in word form?

100 in words is written as One Hundred.

How is 40 spelled?

Forty is the proper spelling of the number in all English variants despite the fact that four contains a u. Often people will believe that fourty is a British variant like colour but this is also false. … That’s right: the word for the number 4 is four, but ten times that is 40, which is spelled forty.

Table of Contents

  1. What is word form in math example?
  2. What is word form in writing?
  3. What is word form in grammar?
  4. How do you identify a word form?
  5. What is the correct word?
  6. How do you use where and were correctly?
  7. How do you use correct in a sentence?
  8. How do you check a sentence is correct or wrong?
  9. How do you know if a sentence is correct or not?
  10. How do you write a complete sentence?
  11. What is an example of a complete sentence?
  12. What is needed for a complete sentence?
  13. How do you write a strong sentence?
  14. What is a good sentence starter?
  15. What are the 5 parts of a complete sentence?
  16. What are the four things you need to make a complete sentence?
  17. What are 2 parts of a complete sentence?
  18. What are the four parts of a complete sentence?
  19. What are the 7 types of sentences?
  20. What is a telling part of a sentence?
  21. What are the 4 kinds of sentences?

Word form involves expressing numbers using words rather than numerals. Below are a few examples of numbers written in word form. The word form for 14 is fourteen. The word form for is one half.

What is word form in writing?

You can use suffixes to change the form of many English words. The same root word could be used as a noun, a verb, an adjective, or an adverb when different suffixes are used.

What is word form in grammar?

They are nouns, verbs, adjectives, adverbs, prepositions, conjunctions, articles and interjections. Most words in English have different forms for different parts of speech, but not all words have. all forms. And some words look the same for different parts of speech.

How do you identify a word form?

Lesson 2

  1. Adjectives. There are some simple rules that can be followed to determine which word form you need to use in a sentence, and for adjectives this means understanding adjectival distribution.
  2. Adverbs. While adjectives may modify the noun, adverbs unsurprisingly modify the verb.
  3. Nouns.
  4. Verbs.

What is the correct word?

conforming exactly or almost exactly to fact or to a standard or performing with total accuracy. accurate, exact, precise. (of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth ; strictly correct. letter-perfect, word-perfect.

How do you use where and were correctly?

Were is the past tense of be when used as a verb. Where means in a specific place when used as an adverb or conjunction. A good way to remember the difference is that where has an “h” for “home”, and home is a place. Out of the two words, “were” is the most common.

How do you use correct in a sentence?

CK 1 2584041 What you said is correct.

  1. [S] [T] I’m correct. ( CK)
  2. [S] [T] Am I correct? ( CK)
  3. [S] [T] I was correct. ( CK)
  4. [S] [T] I’m incorrect. ( CK)
  5. [S] [T] Is he correct? ( CK)
  6. [S] [T] Tom’s correct. ( CK)
  7. [S] [T] We’re correct. ( CK)
  8. [S] [T] I corrected it. ( CK)

How do you check a sentence is correct or wrong?

Grammarly’s online grammar checker scans your text for all types of mistakes, from typos to sentence structure problems and beyond.

  1. Eliminate grammar errors.
  2. Fix tricky spelling errors.
  3. Say goodbye to punctuation errors.
  4. Enhance your writing.

How do you know if a sentence is correct or not?

The Ginger Grammar Checker helps you write better English and correct texts more efficiently. Through the use of patent-pending technology, Ginger Grammar Checker analyzes the context of your sentence to correct grammar mistakes, misused words and spelling mistakes with unmatched accuracy.

How do you write a complete sentence?

A complete sentence must: begin with a capital letter, end with a punctuation mark (period, question mark, or exclamation point), and contain at least one main clause. A main clause includes an independent subject and verb to express a complete thought.

What is an example of a complete sentence?

So, you might say, “Claire walks her dog.” In this complete sentence, “Claire” is the subject, “walks” is the verb, and “dog” is the object. (“Her” is simply a required pronoun in this example.) So, at the end of a complete sentence, we’ll need a period, question mark, exclamation mark, or even a semi-colon.

What is needed for a complete sentence?

A complete sentence has three components: a subject (the actor in the sentence) a predicate (the verb or action), and. a complete thought (it can stand alone and make sense—it’s independent).

How do you write a strong sentence?

6 Tips for Writing Good Sentences

  1. Keep it simple. Long sentences or overly complex sentences don’t necessarily make sophisticated sentence writing.
  2. Use concrete rhetoric.
  3. Employ parallelism.
  4. Mind your grammar.
  5. Properly punctuate.
  6. Practice writing.

What is a good sentence starter?

Example: Using Transition Words to Indicate Sequence/Order of Events

generally… furthermore… finally during
in the first place… also… lastly earlier
to be sure… additionally… lastly eventually
first… just in the same way… finally finally
basically… similarly… as well as first of all

What are the 5 parts of a complete sentence?

Five of the sections will include the five parts: Capital Letter, Subject Noun, Predicate Verb, Complete Thought, and Terminal Punctuation.

What are the four things you need to make a complete sentence?

Components of a Sentence Clearly written, complete sentences require key information: a subject, a verb and a complete idea. A sentence needs to make sense on its own. Sometimes, complete sentences are also called independent clauses. A clause is a group of words that may make up a sentence.

What are 2 parts of a complete sentence?

The two most basic parts of a sentence are the subject and predicate.

What are the four parts of a complete sentence?

The basic parts of a sentence are the subject, the verb, and (often, but not always) the object.

What are the 7 types of sentences?

The other way is based on a sentence’s structure (simple, compound, complex, and compound-complex).

  • Statements/Declarative Sentences. These are the most common type of sentence.
  • Questions/Interrogative Sentences.
  • Exclamations/Exclamatory Sentences.
  • Commands/Imperative Sentences.

What is a telling part of a sentence?

The naming part is the who (or what) the sentence is about. The telling part tells what the subject does.

What are the 4 kinds of sentences?

There are four types of sentences: declarative, imperative, interrogative, and exclamatory.

What is number word form in math?

Word form is writing the numerical/number as you would say it in words. Math Games for Kids. Multiplication Games.

When should you use numbers in writing?

A simple rule for using numbers in writing is that small numbers ranging from one to ten (or one to nine, depending on the style guide) should generally be spelled out. Larger numbers (i.e., above ten) are written as numerals.

How do you write long numbers?

The Chicago Manual of Style recommends spelling out the numbers zero through one hundred and using figures thereafter—except for whole numbers used in combination with hundred, thousand, hundred thousand, million, billion, and beyond (e.g., two hundred; twenty-eight thousand; three hundred thousand; one million).

Should you spell out numbers on a resume?

Contrary to the rules of grammar, EXCEPT for academic resumes, it is best to use numerals in a resume rather than spell out the number, even when that number is 10 or under. It’s best to spell out any number under 10 for these types of resumes.

How do I spell check my resume?

Merriam-Webster’s Dictionary: all forms of the word are acceptable, but, resumé is considered least common. Oxford Advanced American Dictionary: suggested noun—résumé. That entry suggests alternatives such as resumé, resume. All three spellings are correct.

How do you write $1 million on a resume?

If you’re talking millions, use the word — $1 million. If you’re working on a report, or your resume, and you’re desperate for space, use $1MM, not “M.” Again, it’s understood that “MM” means million.

How do you format a phone number on a resume?

When it comes to listing your phone number on your resume, there are a number of different formats that are considered acceptable: 555-867-5309 | (555) 867-5309 | 555.867. 5309.

What is the correct format for a phone number?

It is common to write phone numbers as (0xx) yyyyyyy, where xx is the area code. The 0 prefix is for trunk (long-distance) dialing from within the country. International callers should dial +92 xx yyyyyyyy. All mobile phone codes are four digits long and start with 03xx.

How do you write your mobile number in international format?

164 notation a leading ‘0’ is removed. The UK mobile phone number ‘07911 123456’ in international format is ‘+44 7911 123456’, so without the first zero….To use the previous example:

  1. Country code: +44.
  2. National destination code: 7911.
  3. Subscriber number: 123456.
  4. In total: +447911123456.

How do you write your name on a resume?

You might choose to provide a bit more detail in the title than simply your name. You can also include the title of the position in your document name for your resume and cover letter. You can use spaces or dashes between words; capitalizing words may help make the document name easier to read.

What’s a strong resume title?

Here’s how to write a good resume headline:

  • Keep it short.
  • Put it at the top of your summary.
  • Write it in title case.
  • Shun cliches.
  • Write many.
  • Add your years of experience—if relevant experience is a big plus for the job.
  • Use keywords.
  • Certification or License.

What is the best summary for a resume?

An effective resume summary typically follows the following structure: Your experience summary (how many years, doing what, etc.) Your general experience (more specific skills, what’s your focus) Your top achievements (career highlights, include quantifiable change and data)

What is a good resume name?

The best resume title will use key experiences, qualifications, or the job title. It should include your resume objective, your strongest qualifications. The resume title becomes searchable in online employment databases. An example of a good resume title would be “Results Driven Marketing Manager.”

What is a catchy headline?

A catchy headline is extremely important to bring the reader in to view an article, advertisement or social media post. A headline should be carefully worded to catch someone’s eye and get that person interested in reading what follows the headline. Discover some catchy headlines and get inspired to craft your own.

What’s a headline for a resume?

A resume headline (also known as a resume title) is a brief phrase that highlights your value as a candidate. Located at the top of your resume under your name and contact information, a headline allows a recruiter to see quickly and concisely what makes you the right person for the job.

Can I send a resume instead of a CV?

Yes, you can send a resume instead of a CV. However, if you’re in the US and applying for a job in academia or a graduate program, you should send a CV. For international job applications, you can send either a resume or a CV, as they are two names for essentially the same document.

Which of these must not be mentioned in your CV?

5. Which of these is not mentioned in a job description CV? Explanation: Nationality is not usually mentioned in a job description CV. Name, address and date is mentioned in a job description CV along with education.

What are the 7 sections of a resume?

Here are the seven resume sections you need for success.

  • Summary Resume Section.
  • Expertise and Skills Resume Section.
  • Experience and Work History Resume Section.
  • Education, Certifications & Licenses Resume Section.
  • Work Authorization & Security Clearance Resume Section.
  • Resume References & Recommendations Section.

How do I make a good 2020 resume?

  1. Keep It Simple. Unless you’re applying for a design role, a clean, simple layout is best.
  2. Use a Summary Statement Instead of an Objective.
  3. Spotlight Key Skills.
  4. Put Your Latest Experience First.
  5. Break It Down.
  6. Consider Adding Volunteer or Other Experience.
  7. Quantify Your Bullets.

How much is too much on a resume?

For most job seekers, a one- to two-page resume is sufficient. For those with more extensive experience or accomplishments, they may have three pages. Any more than that is overkill and will quickly lose a hiring manager’s attention.

Is it OK not to include dates on your resume?

No, you have to include resume dates despite the sad fact of ageism in hiring. Without dates in your work history, applicant tracking systems (ATS) and live hiring managers can’t tell if you’re worth interviewing.

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New York State Common Core Math Grade 5, Module 2, Lesson 3.
Download worksheets, examples and questions.

The following figure shows how to convert between numerical expressions and word expressions. Scroll down the page for more examples and solutions.

Numerical and Word Expressions

Lesson 3 Concept Development

What is an expression?
An expression consists of numbers, symbols and operators grouped together that show the value of something.

Example: 2 × 3 is an expression.

Lesson 3 Problem Set

What is 3 times the sum of 26 and 4? Show a tape diagram and expression.

From word form to numerical expressions and diagrams.

  1. Draw a model. Then write the numerical expressions.
    a. The sum of 8 and 7, doubled
    b. 4 times the sum of 14 and 26
    e. The difference between 4 twenty-fives and 3 twenty-fives
  1. Mr. Huynh wrote the sum of 7 fifteens and 38 fifteens on the board.
    a. Draw a model and write the correct expression.
  • Show Video Lesson

Lesson 3 Concept Development

What expression describes the total value of these 3 equal units?
How about 3 times an unknown amount called A. Show a tape diagram and expression.

Problems 1–2: From word form to numerical expressions and diagrams.

  1. 3 times the sum of 26 and 4
  2. 6 times the difference between 60 and 51

Problem 4: From numerical expressions to word form.

  1. 8 × (43 – 13)

Problem 7: Comparison of expressions in word form and numerical form.

  1. 9 × 13 ___ 8 thirteens
  • Show Video Lesson

Lesson 3 Problem Set

From word form to numerical expressions and diagrams.

  1. Draw a model. Then write the numerical expressions.
    a. The sum of 8 and 7, doubled
    b. 4 times the sum of 14 and 26
    c. 3 times the difference between 37.5 and 24.5 From numerical expressions to word form.

  2. Write the numerical expressions in words.
    a. 12 × (5 + 25)
    b. (62 – 12) × 11

Comparison of expressions in word form and numerical form.

  1. Compare the two expressions using >, <, or =. In the space beneath each pair of expressions, explain how you can compare without calculating. Draw a model if it helps you.
    a. 24 × (20 + 5) and (20 + 5) × 12
    b. 18 × 27 and 20 twenty-sevens minus 1 twenty-seven
    c. 19 × 9 and 3 nineteens, tripled
  • Show Video Lesson

  • Show Video Lesson

Lesson 3 Homework

This video demonstrates how to model numerical expressions utilizing tape diagrams. You will also learn how to compare and evaluate expressions.

  1. Draw a model then write the numerical expressions.
    a. The sum of 21 and 4, doubled
    b. 5 times the sum of 7 and 23

  2. Write the numerical expressions in words.
    a. 10 × (2.5 + 13.5)

  3. Compare the two expressions using >, <, or =. In the space beneath each pair of expressions, explain how you can compare without calculating. Draw a model if it helps you.
    a. 93 × (40 + 2), (40 + 2) × 39

  • Show Video Lesson

  1. Draw a model then write the numerical expressions.
    c. 2 times the difference between 49.5 and 37.5
  • Show Video Lesson

  1. Draw a model then write the numerical expressions.
    e. The difference between 9 thirty-sevens and 8 thirty-sevens
  • Show Video Lesson

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In mathematics, the short word form is created by writing a large number using a combination of numbers and words. For instance, the short word form of 785,000 is 785 thousand.

Short word form is most commonly used for numbers greater than a thousand. It differs from word form in that each quantity is not given in word form. The word form of 785,000 is seven hundred eighty-five thousand. Instead, in short form, the quantity is written by combining the defined quantity of “785” and the word which indicates the place value, “thousand.” Short word form is most commonly learned alongside place value in a traditional math curriculum.

MORE FROM REFERENCE.COM

For example, quadratic form, differential form, multilinear form, … I agree with the commenter Nicolo to this related question that usually «form» just means «function with codomain $mathbb{R}$» — but when did this convention become standard?

User Rob Arthan has an interesting explanation in a comment on the other question:

I think the usage is historical but deeply ingrained and comes from the days when functions were thought of as having algebraic representations as opposed to the arbitrary functional relations that we think of in the modern set-theoretic approach. So a quadratic, or bilinear or differential or … form referred to the algebraic form of the representation of the function. (But this is really a mathematics history question and I am not qualified as a historian.)

This might also explain the usage of «form» in Fulton’s Algebraic Curves (1969) to mean «homogeneous polynomial» (rather perplexingly to me).

Also in another comment on the same question above, user Lucian seems to suggest that the term might come from the expression «of the form». I don’t know if that etymology applies here, but it does seem to describe the use of the word «formal» as in «formal sum».

Question: Does anyone have a source or reference explaining the origin of the use of the term «form» in mathematics?

The standard reference, «Earliest Known Uses of Some Terms in Mathematics» surprisingly does not have an entry (as of this writing), just for «formalism». http://jeff560.tripod.com/f.html

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