English numbers


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Learn how to use numbers and percents correctly in writing. Good to use in your classroom or at home for yourself.

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  • Except for a few basic rules, spelling out numbers vs. using figures (also called numerals) is largely a matter of writers' preference. Again, consistency is the key. Rule 1 - Spell out all numbers beginning a sentence. Rule 2 - Hyphenate all compound numbers from twenty-one through ninety-nine. Rule 3 - Hyphenate all written-out fractions. Rule 4 - With figures of four or more digits, use commas. Count three spaces to the left to place the first comma. Continue placing commas after every three digits. Rule 5 - It is not necessary to use a decimal point or a dollar sign when writing out sums of less than a dollar. Rule 6 - Do not add the word "dollars" to figures preceded by a dollar sign. Rule 7 - For clarity, use noon and midnight rather than 12:00 PM and 12:00 AM. Rule 8 - Using numerals for the time of day has become widely accepted. Rule 9 - Mixed fractions are often expressed in figures unless they begin a sentence. Rule 10 - Read more at https://www.essaypeer.com
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English numbers

  1. 1. Presented By Live Free / Speak Free
  2. 2. English Numbers Ordinal, Cardinal, and Nominal We use English numbers to... count people or things put things in order identify people or things as determiners Chart of Ordinal & Cardinal Numbers
  3. 3. Types of numbers There are three common types of English numbers: Cardinal Ordinal Nominal
  4. 4. cardinal (showing quantity) Cardinal numbers are also known as "counting numbers" and are used to count things. Cardinal numbers tell us "how many." Examples: We have two dogs. I have $15.00. There are 12 birds. He is six years old today.
  5. 5. Children are first introduced to cardinal numbers when they begin counting objects. Cardinal numbers are numbers that tell you "how many." They express an amount. We use cardinal numbers to count people or things. They indicate a quantity of people or objects.
  6. 6. Cardinal numbers are whole numbers. They do not contain fractions or decimals. I bought two bananas at the store.
  7. 7. There are seven people in my family.
  8. 8. ordinal (showing order) Ordinal numbers are used to tell the order of things. They tell us level or position in a group. Examples: I am third in line. That was your fifth cookie! Happy 50th birthday! First, combine eggs, sugar, flour, and salt. He finished first in the race!
  9. 9. Ordinal Numbers – Position Ordinal numbers are numbers that tell you the position of someone or something in a group or list. Ordinal numbers tell order. Except for first (1st), second (2nd), and third (3rd), most ordinal numbers end in the letters "th." fourth (4th) fifth (5th) eighth (8th) thirteenth (13th) twentieth (20th) twenty-fifth (25th)
  10. 10. Examples: We can use ordinal numbers to tell the order people finish in a race or the order they are standing in line. Nick finished the race in first place! Nick's sister was tenth.
  11. 11. My daughter is third in line for the bus.
  12. 12. Ordinal numbers are also used in recipes and instructions. They tell you the order of steps. First, mix flour, sugar, and milk. Second, add 1 teaspoon of cinnamon.
  13. 13. Cardinal and Ordinal Numbers We can use cardinal and ordinal numbers together in the same sentence. Here's an example: Tom's car finished 2nd in a race of three cars. In this sentence, we have used a cardinal and an ordinal number.
  14. 14. Cardinal numbers are used for counting. Cardinal numbers tell us "how many." In the above example, three (3) is the cardinal number. It tells us how many cars were in the race. There were three cars in the race. Ordinal numbers are used for putting thing in order. The ordinal number tells the position of Tom's car in the race. In the above example, second (2nd) is the ordinal number. Tom placed second in the race. His car was the second car to cross the finish line. One car crossed the finish line before his car, and one car crossed the finish line after his car.
  15. 15. nominal (showing identity) Nominal numbers are used to name and identify things. Nominal numbers can be single or grouped numbers. Nominal numbers include: social security numbers bank account numbers driver's license numbers employee and student identification numbers
  16. 16. zip codes (Las Vegas, NV 89101) telephone numbers (1-800-562-0025) numbers of a train or bus route (Take route 105 to get to the grocery store.) player numbers (Number 40 has the ball!)
  17. 17. Determiners Cardinal and Ordinal English numbers can be used as determiners to help identify nouns. They tell (determine) how much or which one. Examples of numbers as determiners: We invited fifty people to our wedding. Jenny got first place at the art contest. Add 1 egg to the cookie batter.
  18. 18. Rules for writing numbers Do you spell out a number or use its numeral form? Here are some general rules to help you. Rule 1 Rule 2
  19. 19. 1. When to spell out numbers A) Spell out numbers less than 10. one two five 15 16 150
  20. 20. B) Don't begin a sentence with a numeral. Spell it out. Incorrect: 15 children were at the concert. Correct: Fifteen children were at the concert. C) Spell out numbers in most formal writing. D) Spell out numbers when writing time with "o'clock." Incorrect: School starts at 8 o'clock each day. Correct: School starts at eight o'clock each day.
  21. 21. 2. When to use numerals in writing A) Use numerals with a set of numbers or nominal numbers. Players 10, 15, and 45 have fouled out of the game. My city's zip code is 89520.
  22. 22. B) Use numerals with fractions and percents in tables, mathematics, and science. 25% 100% 2/3 5 1/2 *We usually spell out "percent" in formal writing. 25 percent 100 percent Go to percent rules
  23. 23. C) Use numerals for measurements. The tree is 10 feet 6 inches tall. The tree is 10' 6" tall. D) Use numeral for recipes. 2 cups water 3 eggs 4 tablespoons sugar
  24. 24. E) Most advertisements use numerals.
  25. 25. F) Use numerals with time written with a.m. and p.m. School starts at 8:00 a.m. The bus will arrive at 9:10 p.m. G) Internet, newspaper, and magazine headlines and articles usually use numerals. Numbers stand out in writing if they are written as numerals. Correct: The club raised $100 for charity! Incorrect: The club raised one-hundred dollars for charity! Newspapers and magazines usually use numerals to save space and to allow readers to easily scan for facts.
  26. 26. Percent Sign Rules and Examples The percent sign ( % ) is a symbol used in the English language as an abbreviation for the word "percent." Percent is a mathematical term meaning one part of a hundred.
  27. 27. For example: 25 out of 100 equals 25% (25 percent) 50 out of 100 equals 50% (50 percent) 75 out of 100 equals 75 % (75 percent) 100 out of 100 equals 100% (100 percent) The percent sign is mostly used in informal writing, advertisements or tables in research papers. Newspapers and magazines might also use the percent sign to save space.
  28. 28. On the keyboard The percent sign ( % ) is made on most American keyboards by holding the SHIFT key and pressing the number 5 on the top number line. The percent sign can also be made by choosing INSERT SYMBOL and selecting the % sign.
  29. 29. Rules for using the percent sign 1. In most writing, we use the percent sign ( % ) if a number is written as a numeral. A) In formal writing, numbers above nine are usually written as numerals. Examples: 10% 25% 80% 175%
  30. 30. B) All numbers in charts, mathematics, science and technical documents are usually written as numerals. Examples: 25% of the children were male. 5% + 5% = 10% Almost 75% of all American college students have student loan debt.
  31. 31. 2. Use the word "percent" after numbers that are written as words. In most writing, numbers below 10 are usually written out as words. Examples: Correct: nine percent Incorrect: 9 percent Correct: six percent Incorrect: six %
  32. 32. 3. In titles and headings, we usually write percent as a word. The numbers before the percent follow the same rules as above, unless they begin a sentence. A) Numbers below ten are written as words. Examples: Among adults with strong literacy skills, only four percent live in poverty. If a child reads as much as one million words per year, they will be in top two percent of all children on standardized reading tests.
  33. 33. B) Numbers ten and above are usually written as numerals. Examples: Over 50 percent of NASA employees are dyslexic. More than 20 percent of adults read at or below a fifth-grade level. Only about 15 percent of African American student entering high school are proficient in reading.
  34. 34. C) If you begin a sentence with a number, the number and percent are usually written as words. Examples: Fourteen percent of all individuals have a learning disability. Fifteen percent of all 4th graders read no faster than 74 words per minute.
  35. 35. 4. Newspapers and magazines usually use numerals and the percent sign to save space. Examples: Among adults at the lowest level of literacy proficiency, 43% live in poverty. Only 31% of college graduates have high-level literacy skills. 47% of students who took the ACT’s in 2009 did not meet the ACT College Readiness for the Reading section of the ACT Benchmark.
  36. 36. 5. The percent sign is also used in advertisements to save space. These were the uses of the percent sign.
  37. 37. English Number Cardinal Ordinal Ordinal Abbreviations 1 one first 1st 2 two second 2nd 3 three third 3rd 4 four fourth 4th 5 five fifth 5th 6 six sixth 6th 7 seven seventh 7th 8 eight eighth 8th 9 nine ninth 9th 10 ten tenth 10th
  38. 38. 11 eleven eleventh 11th 12 twelve twelfth 12th 13 thirteen thirteenth 13th 14 fourteen fourteenth 14th 15 fifteen fifteenth 15th 16 sixteen sixteenth 16th 17 seventeen seventeenth 17th 18 eighteen eighteenth 18th 19 nineteen nineteenth 19th 20 twenty twentieth 20th
  39. 39. 22 twenty-two twenty-second 22nd 25 twenty-five twenty-fifth 25th 30 thirty thirtieth 30th 40 forty fortieth 40th 50 fifty fiftieth 50th 60 sixty sixtieth 60th 70 seventy seventieth 70th 80 eighty eightieth 80th 90 ninety ninetieth 90th 100 one hundred one hundredth 100th 125 one hundred twenty-five 125th one hundred twenty-fifth