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Representing Numbers in Writing Numerals, Digits, and Beyond.

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Presentation on theme: "Representing Numbers in Writing Numerals, Digits, and Beyond."— Presentation transcript:

1 Representing Numbers in Writing Numerals, Digits, and Beyond

2 Defining Numeral, Digit, and Number Numeral: symbolic representation of number Digit: a numeric representation 0-9 Number: the integer that a numeral represents

3 Defining Numeral, Digit, and Number The parade was attended by 12,482 people. Numeral: 12,482 Digits: 1, 2, 4, 8, 2 Number: the concept of 12,482 people.

4 Identify the numerals in the passage to the right.

5 *1992 *2001 *87 *11 *2 *13 *11 *15

6 Identify the digits in the passage to the right.

7 1, 9, 9, 2, 2, 0, 0, 1, 8, 7, 1, 1, 2, 2, 1, 3, 1, 1, 1, 5

8 Identify the numbers in the passage to the right.

9 *The year 1992 *The year 2001 *87 percent *The 11 th of September *2 percent *13 percent *11 percent *15 percent

10 Six Rules for Representing Numbers in Writing Example #1: people won awards. 2. Twenty-nine people won awards.

11 Six Rules for Representing Numbers in Writing Example #1: people won awards. 2. Twenty-nine people won awards. Rule #1: Spell a number out if it starts a sentence.

12 Six Rules for Representing Numbers in Writing Example #2: 1. I want five copies. 2. I want 5 copies. 3. I want thirteen copies. 4. I want 13 copies.

13 Six Rules for Representing Numbers in Writing Example #2 1. I want five copies. 2. I want 5 copies. 3. I want thirteen copies. 4. I want 13 copies. Rule #2 Spell out single-digit whole numbers. Use numerals for numbers greater than nine.

14 Six Rules for Representing Numbers in Writing Correct: My 10 cats fought with your 2 cats. My two cats fought with your ten cats. Incorrect: I asked for five dollars, not $50. Rule #2 Be consistent within a category. If you have numbers in different categories, use numerals for one category and spell out the other.

15 Six Rules for Representing Numbers in Writing Example #3: 1. My sister ate two-thirds of the pie. 2. My sister ate 2/3 of the pie.

16 Six Rules for Representing Numbers in Writing Example #3: 1. My sister ate two-thirds of the pie. 2. My sister ate 2/3 of the pie. Rule #3 Always spell out simple fractions and use hyphens with them.

17 Six Rules for Representing Numbers in Writing Example #4: 1. You can earn from one million to five million dollars. 2. You can earn from $1,000,000 to $5,000, You can earn from $1 million to $5 million.

18 Six Rules for Representing Numbers in Writing Example #4: 1. You can earn from one million to five million dollars. 2. You can earn from $1,000,000 to $5,000, You can earn from $1 million to $5 million. Rule #4: The simplest way to express large numbers is best. Round numbers are usually spelled out. Stay consistent within a sentence.

19 Six Rules for Representing Numbers in Writing Example #4: 1. Your total payment is $15, Your total payment is fifteen thousand, two hundred eighty-eight dollars and fifty cents. Rule #4: The simplest way to express large numbers is best. Round numbers are usually spelled out. Stay consistent within a sentence.

20 Six Rules for Representing Numbers in Writing Example #5: 1.During the eighties and nineties, the U.S. economy grew. 2. During the 80’s and 90’s, the U.S. economy grew. 3. During the ’80s and ’90s, the U.S. economy grew. 4. During the 1980s and 1990s, the U.S. economy grew.

21 Six Rules for Representing Numbers in Writing Example #5: 1.During the eighties and nineties, the U.S. economy grew. 2. During the 80’s and 90’s, the U.S. economy grew. 3. During the ’80s and ’90s, the U.S. economy grew. 4. During the 1980s and 1990s, the U.S. economy grew. Rule #5: When expressing decades, you can: - Spell them out and lowercase - Use numerals and put an apostrophe before the incomplete numeral - Use complete numerals *No apostrophe is needed between the year and the ‘s’.

22 Six Rules for Representing Numbers in Writing Example #6: 1. She gets up at 4:30 before the baby wakes up. 2. She gets up at four thirty before the baby wakes up. 3. She gets up at five o’clock before the baby wakes up. 4. The flight leaves at 6:22 P.M. 5. The flight leaves at six twenty-two P.M.

23 Six Rules for Representing Numbers in Writing Example #6: 1. She gets up at 4:30 before the baby wakes up. 2. She gets up at four thirty before the baby wakes up. 3. She gets up at five o’clock before the baby wakes up. 4. The flight leaves at 6:22 P.M. 5. The flight leaves at six twenty-two P.M. Rule #6: Normally, spell out the time of day with o’clock, half, or quarter hours. Use numerals when exact times are being emphasized, or when using A.M. or P.M. It’s acceptable to use ‘noon’ and ‘midnight’ instead of 12:00 P.M. and 12:00 A.M.

24 Numbers: Not Just for Math Anymore Three is a Magic Number Three is a Magic Number


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