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Lesson keyword: 1234 Numbers VOCABULARY: hundred, thousand, million, billion, trillion, buck, cent, dime, divided by, dollar, equals, greater than, how much, less than, minus, nickel, numbers, penny, plus, right /correct, square root, times, wrong /incorrect CARDINAL NUMBERS 0 zero 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 30 thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety 21 twenty one 38 thirty eight 66 sixty six 91 ninety one 100 one hundred 200 two hundred 145 one hundred AND forty five 702 seven hundred and two Each increasing magnitude of one thousand is separated by a comma: "," . 1,000 one thousand 2,000 two thousand 1,100 - 1,900 eleven hundred, twelve hundred... nineteen hundred 1,257 one thousand two hundred and fifty seven 3,088 three thousand and eighty eight 2,001 two thousand and one 10,000 ten thousand 34,598 thirty four thousand five hundred and ninety eight 100,000 one hundred thousand 598,222 five hundred and ninety eight thousand two hundred and twenty two 4,000,000 four million* 368,000,000 three hundred and sixty eight million 7,000,000,000 seven billion 8,000,000,000,000 eight trillion *Americans say: "four million". The British say: "four millions", with the "s" for plural ORDINAL NUMBERS: 1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth 10th tenth 11th eleventh 12th twelfth 13th thirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth 19th nineteenth >> The "y" of "twenty", "thirty", "forty", etc. is changed to "i" before the "eth": 20th twentieth 30th thirtieth 40th fortieth 50th fiftieth 60th sixtieth 21st twenty first 22nd twenty second 33rd thirty third 54th fifty fourth 75th seventy fifth 46th forty sixth 57th fifty seventh 88th eighty eighth 99th ninety ninth 100th hundredth 1,000 thousandth 1,000,000 millionth 1,000,000,000 billionth 388th three hundred and eighty eighth DATES: -When is Christmas? Christmas is December twenty fifth. -When is American Independence Day? It is July 4th. or: It is the fourth of July. -What is the date of international Labor Day? Labor Day is May 1st. -What year did World War Two end? It ended in nineteen forty five. -What year were you born? I was born in nineteen fifty eight. FRACTIONS: 1/2 one half 1/3 one third 2/3 two thirds 3/5 three fifths 16/83 sixteen eighty thirds In numbers of decreasing magnitude, whole numbers are separated by a period: "." from fractions. 1.5 one point five 0.6 zero point six, or: oh point six (only in spoken English) 592.66 five hundred and ninety two point six six 3.1416 three point one four one six* *XXX Not: three point one thousand four hundred and sixteen = equals/is + plus/and - minus/less/negative x times / divided by > is less than < is greater than % percent 3 x 3 three squared 9 = ? x ? What is the square root of nine? 3 x 3 x 3 three cubed / three to the third power 8 = ? x ? x ? What is the third/cube root of eight? 3 x 3 x 3 x 3 three to the fourth (power) 16 = ? x ? x ? x ? What is the fourth root of sixteen? ? = 1 + 1 How much is one plus one? / What is one and one? 1 + 1 = 2 One plus one equals two. / One and one is two.* ? = 2 x 16 What is / How much is two times sixteen? 2 x 16 = 32 Two times sixteen is thirty two. 10 - 15 = -15 Ten minus fifteen equals negative fifteen/minus fifteen. XXX Not: "One and one ARE two" AMERICAN MONEY VOCABULARY: $1.00 a dollar / a buck $0.01 a cent $50.00 fifty dollars / fifty bucks $29.99 twenty nine dollars and ninety nine cents / twenty nine ninety nine $1,000 a grand $10,000 ten grand AMERICAN COINS: $0.50 a half dollar $0.25 a quarter $0.10 a dime $0.05 a nickel $0.01 penny EXERCISES: Write out the following numbers. 0. 88 eighty eight 1. 298 2. 312 3. 505 4. 8,629 5. 90,048 6. 435,666 7. 60,000,000 8. 1,000,000,000 9. 5,000,000,000,000 10. 0.8 11. 3,414.543 12. 33.333 Write the questions and the answers. 0. 36 + 45 = ? What is thirty six plus forty five? Thirty six plus forty five is eighty one. 13. 100 - 50 = ? 14. 10 + 20 + 12 = ? 15. 6 x 8 = ? 16. 10/4 = ? 17. 15/2 = ? 18. 1/4 = ? % Write out the American money amounts: 0. $16.99 Sixteen dollars and ninety nine cents 19. $45.00 20. $0.29 21. $100.50 22. $2.50 23. $2,000 24. $3,000,000 25. $10.00 POSSIBLE ANSWERS TO THE QUESTIONS: 1. two hundred and ninety eight 2. three hundred and twelve 3. five hundred and five 4. eight thousand six hundred and twenty nine 5. ninety thousand and forty eight 6. four hundred and thirty five thousand, six hundred and sixty six 7. sixty million 8. one billion 9. five trillion 10. zero point eight 11. three thousand four hundred and fourteen point five four three 12. thirty three point three three three or: thirty three and a third 13. How much is one hundred minus fifty? One hundred minus fifty is fifty. 14. How much is ten plus twenty plus twelve? Ten plus twenty plus twelve is forty two. 15. How much is six times eight? Six times eight is forty eight. 16. How much is ten divided by four? Ten divided by four is two and a half. 17. How much is fifteen divided by two? Fifteen divided by two is seven point five. 18. What percentage is one fourth? One fourth is twenty five percent. 19. forty five dollars 20. twenty nine cents 21. one hundred dollars and fifty cents 22. two fifty 23. two thousand dollars 24. three million bucks 25. ten bucks |