In American English billion means a thousand million = 1,000,000,000 = 10 9 In British English billion traditionally means a million million = 1,000,000,000,000 = 10 12 One hundred is the basis of percentages (literally "per hundred"). The roman numeral for 100 is C, for centum. The number 12 is often represented as a dozen and the number 6 as a half dozen.Ī dozen is 12, but a baker's dozen is 13, because in the past bakers who were caught shortchanging customers could be liable to severe punishment, so they used to add an extra bread roll to make up the weight.Ī century is 100. In English 10, 20, 30, through to 90 are 1 ten, 2 tens, 3 tens, etc.Īlso there are a number of ways you can say 0 in English.ĩ130472 = "Nine one three oh four seven two."Ĭhelsea 2 Manchester United 0 = "Chelsea two Manchester United nil." You can put as many noughts in front of a number without changing the value of that number:. Yes, ten numbers, without using the number 10. Then write how many numbers you have counted:.
Try writing the numbers zero ( 0 ) through nine ( 9 ). What could possibly be interesting about nothing? Two to the power of twelve = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = 4096. You can then have "to the power of" any number. You can also say "to the power of" - "Two to the power of two equals four." and "Two to the power of three equals eight." Square numbers are written 2² = we say "Two squared" = 2 x 2 = Two squared equals four.Ĭubed numbers are written 2³ = We say "Two cubed" = 2 x 2 x 2 = Two cubed equals eight When you have the number 1.36 we say "One point three six." The numbers following the dot are pronounced When pronouncing decimals we use the word "point" to represent the dot. Not all numbers are whole numbers, or just fractions (see above), they are a mixture of both. One and six take away two times two dividedįor example when we have the numbers 100 or 1/ 2 we say "A
One plus six minus two multiplied by two divided Ordinal numbers are often used in fractions:- Fractions