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Learn about whole numbers, ordinal numbers, calculations, fractions, decimals, and interesting number facts in English. Discover how to pronounce numbers correctly and avoid common mistakes. Enhance your listening skills for better comprehension.
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Listening: Numbers Use of English ~ Secondary 6
Whole Numbers • Also Cardinal Numbers - used for counting • 100 One hundred • 1,000 One thousand • 1,000,000 One million • 1,000,000,000,000 One billion
When is a billion not a billion? • Billion (British English): a million million = 1,000,000,000,000 • Billion (American English): a thousand million = 1,000,000,000 • The American billion: standard in technical and financial use • To avoid confusion… • "million million” (1,000,000,000,000) • "thousand million” (1,000,000,000)
Ordinal Numbers • Used for ranking and arranging orders • 5th the fifth • 8th the eighth • 12th the twelfth • 20th the twentieth • 21st the twenty-first • 101st the hundred and first
Calculations • + Plus (And) • - Minus (Take away) • X Multiplied by (Times) • ÷ Divided by • = Equals (Is) • . Point • % Percent
Fractions • Ordinal numbers are often used • 1/8 One eighth • 1/4 One quarter • 3/4 Three quarters • 2/3 Two thirds • 1/2 One half
How to say this? • Often say "a" instead of "one“ • For example… • 100 "A hundred" • 1/2 "A half“ • 1½"One and a half" • Decimals: “point” to represent the dot • For example… • 1.36 "One point three six."
Interesting Numbers (1): “0” • 0 = oh • after a decimal point (9.02 = "Nine point oh two" • in bus or room numbers (Room 101 = "Room one oh one“) (Bus 602 = "Bus six oh two“) • in phone numbers (9130472 = "Nine one three oh four seven two“) • in years (1906 = "Nineteen oh six.“)
Interesting Numbers (1): “0” • 0 = nought • before a decimal point (0.06 = "Nought point oh six”) • 0 = zero • in temperature (-10°C = "10 degrees below zero“) • 0 = nil • in football (Chelsea 2 Manchester United 0 = "Chelsea two Manchester United nil“) • 0 = love • in tennis (30 - 0 = “Thirty love“)
Interesting Numbers (2): “6” and “12” • 12 = a dozen • 6 = a half dozen • For example, • 12 eggs= "A dozen eggs." • 6 eggs = "Half a dozen eggs."
Interesting Numbers (3):Same Numbers in a Row • Usually used in codes or contact numbers (especially telephones) • 00 = double • 000 = triple • 0000 = double… double… / multiple • How do you say this… • 2255 5345 8888